{"id":20487,"date":"2026-08-17T09:34:07","date_gmt":"2026-08-17T09:34:07","guid":{"rendered":"https:\/\/lead-pcb.com\/?p=20487"},"modified":"2026-10-21T08:16:34","modified_gmt":"2026-10-21T08:16:34","slug":"led-anode-and-cathode","status":"publish","type":"post","link":"https:\/\/lead-pcb.com\/ko\/blog\/led-anode-and-cathode\/","title":{"rendered":"LED \uc560\ub178\ub4dc\uc640 \uce90\uc18c\ub4dc: \uc591\uadf9 \ubc0f \uc74c\uadf9 \ub2e8\uc790\ub97c \uc2dd\ubcc4\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p class=\"wp-block-paragraph\">LED(\ubc1c\uad11 \ub2e4\uc774\uc624\ub4dc)\ub294 \uc804\ub958\uac00 \ud55c \ubc29\ud5a5\uc73c\ub85c\ub9cc \ud750\ub974\ub3c4\ub85d \ud558\ub294 \uadf9\uc131 \ubc18\ub3c4\uccb4 \uc18c\uc790\uc785\ub2c8\ub2e4. LED\ub97c \ucf1c\ub824\uba74 \ud68c\ub85c\uc5d0\uc11c \uc591\uadf9\uacfc \uc74c\uadf9 \ub2e8\uc790\ub97c \uc62c\ubc14\ub974\uac8c \uc5f0\uacb0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc560\ub178\ub4dc(+)\ub294 \uc591\uadf9 \ub2e8\uc790\uc785\ub2c8\ub2e4.<\/strong> \uae30\uc874 \uc804\ub958\ub294 \uc774 \ud540\uc744 \ud1b5\ud574 LED\ub85c \ub4e4\uc5b4\uac11\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uce90\uc18c\ub4dc(-)\ub294 \uc74c\uadf9 \ub2e8\uc790\uc785\ub2c8\ub2e4.<\/strong> \uc804\ub958\ub294 \uc774 \ud540\uc744 \ud1b5\ud574 \uc811\uc9c0 \ucabd\uc73c\ub85c LED\ub97c \ube60\uc838\ub098\uac11\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 \uad00\ud1b5\ud615 LED\uc5d0\uc11c\ub294 \ub354 \uae34 \ub2e4\ub9ac\uc640 \ub465\uadfc \ud14c\ub450\ub9ac\uac00 \uc560\ub178\ub4dc\ub97c \ub098\ud0c0\ub0b4\uace0, \ub354 \uc9e7\uc740 \ub2e4\ub9ac\uc640 \ud50c\ub77c\uc2a4\ud2f1 \uac00\uc7a5\uc790\ub9ac\uc758 \ud3c9\ud3c9\ud55c \uba74\uc774 \uce90\uc18c\ub4dc\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. LED \ub9ac\ub4dc\uac00 \uc798\ub824 \uc788\uac70\ub098 \ud45c\uba74 \uc2e4\uc7a5 \uc18c\uc790(SMD) \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0\uc5d0\ub294 \ub514\uc9c0\ud138 \uba40\ud2f0\ubbf8\ud130\ub098 \ubd80\ud488 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \uc774\uc6a9\ud574 \uadf9\uc131\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\ub2e8\uc790<\/strong><\/td><td><strong>\uadf9\uc131 \ud45c\uc2dc<\/strong><\/td><td><strong>\ubb3c\ub9ac\uc801 \ub9ac\ub4dc \uae38\uc774<\/strong><\/td><td><strong>\ud328\ud0a4\uc9c0 \uc678\ud615<\/strong><\/td><td><strong>\ub2e4\uc774\uc624\ub4dc \uae30\ud638\uc758 \ud2b9\uc9d5<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\uc560\ub178\ub4dc<\/strong><\/td><td>\uc591\uadf9(+)<\/td><td>\ub354 \uae34 \ub9ac\ub4dc<\/td><td>\ub465\uadfc \ud14c\ub450\ub9ac<\/td><td>\uc0bc\uac01\ud615(\ud654\uc0b4\ud45c)\uc758 \ubc11\ubcc0<\/td><\/tr><tr><td><strong>\uce90\uc18c\ub4dc<\/strong><\/td><td>\uc74c\uadf9(-)<\/td><td>\ub354 \uc9e7\uc740 \ub9ac\ub4dc<\/td><td>\ud3c9\ud3c9\ud55c \uba74 \/ \ud648<\/td><td>\uc218\uc9c1 \ub9c9\ub300<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">LED\uc758 \uc560\ub178\ub4dc\uc640 \uce90\uc18c\ub4dc\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LED\ub294 \ud2b9\uc218\ud55c <em>p-n<\/em> \uc811\ud569 \ub2e4\uc774\uc624\ub4dc\uc785\ub2c8\ub2e4. \uc21c\ubc29\ud5a5 \ubc14\uc774\uc5b4\uc2a4 \uc0c1\ud0dc\uc5d0\uc11c \uc811\ud569\ubd80\ub97c \uac00\ub85c\uc9c8\ub7ec \uc804\ud558 \uc6b4\ubc18\uc790\uac00 \uc7ac\uacb0\ud569\ud558\uba74 \uc804\uacc4\ubc1c\uad11\uc73c\ub85c \ube5b\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">LED \uc560\ub178\ub4dc\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc560\ub178\ub4dc\ub294 \ub2e4\uc774\uc624\ub4dc\uc758 <em>p<\/em>\ud615 \ubc18\ub3c4\uccb4 \uc7ac\ub8cc\uc5d0 \uc5f0\uacb0\ub429\ub2c8\ub2e4. \uae30\uc874 \uc804\ub958\ub294 \uc560\ub178\ub4dc\ub97c \ud1b5\ud574 \uc18c\uc790\ub85c \ub4e4\uc5b4\uac11\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc778 DC \ud68c\ub85c\uc5d0\uc11c\ub294 \uc560\ub178\ub4dc\ub97c \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc758 \uc591\uc804\uc704(<em>\ub85c\ub9c8 \uc22b\uc790\uc758 \ub2e4\uc12f<sub>CC<\/sub><\/em>) \ucabd\uc5d0 \uc5f0\uacb0\ud574\uc57c \ud558\uba70, \ud56d\uc0c1 \uc804\ub958 \uc81c\ud55c \uc800\ud56d \ub610\ub294 \uc804\uc6a9 \ub4dc\ub77c\uc774\ubc84 \ud68c\ub85c\uc640 \uc9c1\ub82c\ub85c \uc5f0\uacb0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">LED \uce90\uc18c\ub4dc\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uce90\uc18c\ub4dc\ub294 <em>n<\/em>\ud615 \ubc18\ub3c4\uccb4 \uc7ac\ub8cc\uc5d0 \uc5f0\uacb0\ub429\ub2c8\ub2e4. \uc804\ub958\ub294 \uce90\uc18c\ub4dc\ub97c \ud1b5\ud574 \uc18c\uc790\uc5d0\uc11c \ub098\uac11\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ub85c\uc6b0\uc0ac\uc774\ub4dc \uc2a4\uc704\uce6d \ud68c\ub85c\uc5d0\uc11c \uce90\uc18c\ub4dc\ub294 \ud68c\ub85c \uc811\uc9c0(0V) \ub610\ub294 DC \uc804\uc6d0\uc758 \uc74c\uadf9 \ub2e8\uc790\uc5d0 \uc5f0\uacb0\ub429\ub2c8\ub2e4. \ud68c\ub85c\ub3c4\uc5d0\uc11c \uce90\uc18c\ub4dc\ub294 \ud68c\ub85c \uc120\uc5d0 \uc218\uc9c1\uc778 \uc120 \ub610\ub294 \ub9c9\ub300\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uae30\uc874 \uc804\ub958\uc640 \uc804\uc790 \ud750\ub984 \ube44\uad50<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uc790\uacf5\ud559\uc5d0\uc11c\ub294 \uc804\ub958\ub97c \ub450 \uac00\uc9c0 \ubc29\uc2dd\uc73c\ub85c \uc124\uba85\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uae30\uc874 \uc804\ub958:<\/strong> \uc591\uc804\ud558\uac00 <strong>\uc560\ub178\ub4dc(+)\uc5d0\uc11c \uce90\uc18c\ub4dc(-)\ub85c<\/strong>\ud750\ub978\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \ud68c\ub85c\ub3c4, \ub2e4\uc774\uc624\ub4dc \uae30\ud638 \ubc0f \uacf5\ud559 \ubd84\uc57c\uc758 \uad00\ub840\ub294 \uc774 \ubaa8\ub378\uc744 \ub530\ub985\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc804\uc790 \ud750\ub984:<\/strong> \uc544\uc6d0\uc790 \uc785\uc790\uc778 \uc804\uc790\uac00 \ubb3c\ub9ac\uc801\uc73c\ub85c \uc774\ub3d9\ud558\ub294 \uac83\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \uc804\uc790\ub294 \uc74c\uc804\uc704\uc5d0\uc11c \uc591\uc804\uc704\ub85c \uc774\ub3d9\ud558\ubbc0\ub85c, \uc804\uc790\ub294 <strong>\uce90\uc18c\ub4dc(-)\ub85c \ub4e4\uc5b4\uc640 \uc560\ub178\ub4dc(+)\ub97c \ud1b5\ud574 \ub098\uac11\ub2c8\ub2e4<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">LED \uadf9\uc131\uc774 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LED\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4 <em>p-n<\/em> \uc811\ud569\ubd80\uc758 \uc804\uae30\uc801 \ub3d9\uc791\uc740 \uc804\uc555 \ubc29\ud5a5\uc5d0 \uc804\uc801\uc73c\ub85c \uc88c\uc6b0\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc21c\ubc29\ud5a5 \ubc14\uc774\uc5b4\uc2a4:<\/strong> \uc560\ub178\ub4dc\uc758 \uc804\uc704\uac00 \uce90\uc18c\ub4dc\ubcf4\ub2e4 \ub192\uc73c\uba74(\ub2e4\uc774\uc624\ub4dc\uc758 \uc21c\ubc29\ud5a5 \uc804\uc555 \uac15\ud558 V\ub97c \ucd08\uacfc\ud558\uba74<sub>f<\/sub>), \uacf5\ud54d \uc601\uc5ed\uc774 \uc881\uc544\uc838 \uc804\ub958\uac00 \ud750\ub974\uace0 \ube5b\uc774 \ubc29\ucd9c\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc5ed\ubc29\ud5a5 \ubc14\uc774\uc5b4\uc2a4:<\/strong> \uce90\uc18c\ub4dc\uc758 \uc804\uc704\uac00 \uc560\ub178\ub4dc\ubcf4\ub2e4 \ub192\uc73c\uba74 \uacf5\ud54d \uc601\uc5ed\uc774 \ub113\uc5b4\uc838 \uac1c\ubc29 \ud68c\ub85c \uc0c1\ud0dc\uac00 \ub418\uace0 \uc804\ub958\uac00 \ucc28\ub2e8\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">LED\ub97c \uc5ed\ubc29\ud5a5\uc73c\ub85c \uc5f0\uacb0\ud558\uba74 \ube5b\uc774 \ucf1c\uc9c0\uc9c0 \uc54a\uc73c\uba70 \uc9c1\ub82c\ub85c \uc5f0\uacb0\ub41c \ub2e4\ub978 \ubd80\ud488\uc758 \uc791\ub3d9\uc5d0\ub3c4 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 \ud45c\uc2dc\uc6a9 LED\uc5d0 3V~5V\uc640 \uac19\uc740 \ub0ae\uc740 \uc5ed\uc804\uc555\uc744 \uac78\uc5b4\ub3c4 \ubcf4\ud1b5 \uc989\uc2dc \uace0\uc7a5\uc774 \ubc1c\uc0dd\ud558\uc9c0\ub294 \uc54a\uc9c0\ub9cc, LED\uc758 <strong>\ucd5c\ub300 \uc5ed\ubc29\ud5a5 \ud56d\ubcf5 \uc804\uc555(V<sub>\uc544\ub974 \uc790\ud615\uc758 \uac83<\/sub>)<\/strong>\u2014\ud45c\uc900 LED\uc758 \uacbd\uc6b0 \ud754\ud788 5V\uc5d0 \ubd88\uacfc\ud568\u2014\uc744 \ucd08\uacfc\ud558\uba74 \uc811\ud569\ubd80 \ud56d\ubcf5, \uc601\uad6c\uc801\uc778 \uc131\ub2a5 \uc800\ud558 \ub610\ub294 \uc18c\uc790 \uace0\uc7a5\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uad00\ud1b5\ud615 LED\uc758 \uc560\ub178\ub4dc\uc640 \uce90\uc18c\ub4dc \uc2dd\ubcc4 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 3mm, 5mm, 10mm \uad00\ud1b5\ud615 LED\uc5d0\ub294 \uadf9\uc131\uc744 \ud310\ubcc4\ud560 \uc218 \uc788\ub294 \ubb3c\ub9ac\uc801 \ud45c\uc2dc\uac00 \uc5ec\ub7ec \uac00\uc9c0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"741\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/through-hole-led.webp\" alt=\"through hole led\" class=\"wp-image-20488\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/through-hole-led.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/through-hole-led-300x222.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/through-hole-led-768x569.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/through-hole-led-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ubc29\ubc95 1: \ub2e4\ub9ac \uae38\uc774 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uacf5\ud558\uc9c0 \uc54a\uc740 \uad00\ud1b5\ud615 LED\ub294 \ucd9c\uace0 \uc2dc \ub9ac\ub4dc \uae38\uc774\uac00 \uc11c\ub85c \ub2e4\ub985\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub354 \uae34 \ub9ac\ub4dc:<\/strong> \uc560\ub178\ub4dc (+)<\/li>\n\n\n\n<li><strong>\ub354 \uc9e7\uc740 \ub9ac\ub4dc:<\/strong> \uce90\uc18c\ub4dc (-)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\uc81c\ud55c \uc0ac\ud56d:<\/em> \ube0c\ub808\ub4dc\ubcf4\ub4dc \uc791\uc5c5, \ud504\ub85c\ud1a0\ud0c0\uc774\ud551 \ub610\ub294 PCB \uc870\ub9bd \uc911 \ub9ac\ub4dc\ub97c \uc798\ub77c\ub0b4\uba74 \uc774 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubc29\ubc95 2: \ud3c9\ud3c9\ud55c \uac00\uc7a5\uc790\ub9ac \ucc3e\uae30<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc720\uc0c9 \ub610\ub294 \ud22c\uba85\ud55c \ud50c\ub77c\uc2a4\ud2f1 \uc5d0\ud3ed\uc2dc \ub80c\uc988\uc758 \ubc11\ubd80\ubd84\uc744 \uc0b4\ud3b4\ubcf4\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud3c9\ud3c9\ud55c \ud14c\ub450\ub9ac \ubd80\ubd84:<\/strong> \uce90\uc18c\ub4dc (-)<\/li>\n\n\n\n<li><strong>\uc644\uc804\ud788 \ub465\uadfc \ud14c\ub450\ub9ac \ubd80\ubd84:<\/strong> \uc560\ub178\ub4dc (+)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc190\ud1b1\uc73c\ub85c \ubc11\ubd80\ubd84\uc758 \ud14c\ub450\ub9ac\ub97c \ud6d1\uc5b4 \ud3c9\ud3c9\ud55c \ubd80\ubd84\uc744 \ucc3e\uc73c\uc138\uc694.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubc29\ubc95 3: \ub0b4\ubd80 \uc804\uadf9 \uc0b4\ud3b4\ubcf4\uae30<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud22c\uba85\ud55c \uc5d0\ud3ed\uc2dc \ucf00\uc774\uc2a4\ub97c \ud1b5\ud574 \ub0b4\ubd80 \uae08\uc18d \ub9ac\ub4dc \ud504\ub808\uc784\uc744 \uc0b4\ud3b4\ubcf4\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ubaa8\ub8e8(\ub354 \ud070 \uae08\uc18d \ubd80\ubd84):<\/strong> \uce90\uc18c\ub4dc (-). \uc774 \ubd80\ubd84\uc740 \ubc18\ub3c4\uccb4 \ub2e4\uc774\uac00 \ub4e4\uc5b4 \uc788\ub294 \ubc18\uc0ac \ucef5\uc744 \uc9c0\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud3ec\uc2a4\ud2b8(\ub354 \uc791\uc740 \uae08\uc18d \uae30\ub465):<\/strong> \uc560\ub178\ub4dc (+). \uac00\ub294 \ubcf8\ub529 \uc640\uc774\uc5b4\uac00 \uc774 \ud3ec\uc2a4\ud2b8\uc640 \ub2e4\uc774\ub97c \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\uc81c\ud55c \uc0ac\ud56d:<\/em> Opaque, diffused, or colored casings can obscure internal elements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubc29\ubc95 4: PCB \ud45c\uc2dc \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc778\uc1c4 \ud68c\ub85c \uae30\ud310\uc5d0\ub294 \ubd80\ud488 \ubc30\uce58\ub97c \uc548\ub0b4\ud558\ub294 \uc2e4\ud06c\uc2a4\ud06c\ub9b0 \ud45c\uc2dc\uac00 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>+ \/ &#8211; \ub610\ub294 A \/ K:<\/strong> <em>A<\/em> \uc560\ub178\ub4dc\ub97c \ub098\ud0c0\ub0b4\uba70, <em>\ucf00\uc774<\/em> (\uadf8\ub9ac\uc2a4\uc5b4 <em>Kathodos<\/em>)\ub294 \uce90\uc18c\ub4dc\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub2e4\uc774\uc624\ub4dc \uae30\ud638:<\/strong> \uc0bc\uac01\ud615\uc740 \uce90\uc18c\ub4dc \ub9c9\ub300\ub97c \ud5a5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubd80\ud488 \uc2e4\ud06c\uc2a4\ud06c\ub9b0 \ud45c\uc2dc:<\/strong> \ud55c\ucabd\uc774 \ud3c9\ud3c9\ud55c \uc6d0\uc740 \uce90\uc18c\ub4dc\uac00 \ub193\uc5ec\uc57c \ud560 \uc704\uce58\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\uc2dd\ubcc4 \ubc29\ubc95<\/strong><\/td><td><strong>\uc560\ub178\ub4dc (+)<\/strong><\/td><td><strong>\uce90\uc18c\ub4dc (\u2212)<\/strong><\/td><td><strong>\uc81c\ud55c \uc0ac\ud56d<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\ub9ac\ub4dc \uae38\uc774<\/strong><\/td><td>\ub354 \uae34 \ub9ac\ub4dc<\/td><td>\ub354 \uc9e7\uc740 \ub9ac\ub4dc<\/td><td>\ub9ac\ub4dc\ub97c \uc790\ub978 \ub4a4\uc5d0\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc5c6\uc74c<\/td><\/tr><tr><td><strong>\ud328\ud0a4\uc9c0 \ubaa8\uc591<\/strong><\/td><td>\ub465\uadfc \ud14c\ub450\ub9ac<\/td><td>\ud3c9\ud3c9\ud55c \uac00\uc7a5\uc790\ub9ac<\/td><td>\uc77c\ubd80 \ub4dc\ubb38 \uc81c\uc870 \ubcc0\ud615 \uc81c\ud488\uc5d0\ub294 \ud3c9\ud3c9\ud55c \uba74\uc774 \uc5c6\uc2b5\ub2c8\ub2e4<\/td><\/tr><tr><td><strong>\ub0b4\ubd80 \uad6c\uc870<\/strong><\/td><td>\uc791\uc740 \ub3cc\ucd9c\ubd80<\/td><td>\ud070 \uc564\ube4c\/\ucef5<\/td><td>\ud655\uc0b0\ud615\/\uc720\uc0c9 \ud328\ud0a4\uc9c0\uc5d0\uc11c\ub294 \uc2dd\ubcc4\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4<\/td><\/tr><tr><td><strong>PCB \uc2e4\ud06c\uc2a4\ud06c\ub9b0<\/strong><\/td><td>+ \ub610\ub294 <strong>A<\/strong><\/td><td>&#8211; \ub610\ub294 <strong>\ucf00\uc774<\/strong><\/td><td>\uc62c\ubc14\ub978 PCB \uc124\uacc4 \ub808\uc774\uc544\uc6c3\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4<\/td><\/tr><tr><td><strong>\ub370\uc774\ud130\uc2dc\ud2b8<\/strong><\/td><td>\ud540 1 \/ \ud45c\uc2dc\ub41c \ud540<\/td><td>\ud540 2 \/ \ud45c\uc2dc\ub41c \ud540<\/td><td>\ud2b9\uc815 \uc81c\uc870\uc5c5\uccb4 \ubd80\ud488 \ubc88\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">SMD LED \uadf9\uc131 \uc2dd\ubcc4 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uba74 \uc2e4\uc7a5 \uc18c\uc790(SMD) LED(\uc608: 0603, 0805, 1206, 2835, 3535, 5050)\uc5d0\ub294 \uc640\uc774\uc5b4 \ub9ac\ub4dc\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uc81c\uc870\uc5c5\uccb4\ub9c8\ub2e4 \ud45c\uc2dc\uac00 \ub2e4\ub974\ubbc0\ub85c \ud328\ud0a4\uc9c0 \ud45c\uc2dc\ub97c \uc0ac\uc6a9\ud574 \uadf9\uc131\uc744 \uc2dd\ubcc4\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"337\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/smd-led-polarity.webp\" alt=\"smd led polarity\" class=\"wp-image-20489\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/smd-led-polarity.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/smd-led-polarity-300x101.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/smd-led-polarity-768x259.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/smd-led-polarity-18x6.webp 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uc77c\ubc18\uc801\uc778 SMD LED \uadf9\uc131 \ud45c\uc2dc<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub179\uc0c9 \uc120 \ub610\ub294 \uc810:<\/strong> \ub300\uac1c \ud328\ud0a4\uc9c0\uc758 \uc704\ucabd\uc774\ub098 \uc544\ub798\ucabd\uc5d0 \uc778\uc1c4\ub418\uba70, \uac00\uc7a5 \ud754\ud788 \ub2e4\uc74c \ucabd\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4 <strong>\uce90\uc18c\ub4dc<\/strong> \ucabd.<\/li>\n\n\n\n<li><strong>\uce90\uc18c\ub4dc\uc758 \uc808\ub2e8\uba74\/\ubaa8\ub530\uae30:<\/strong> \ud328\ud0a4\uc9c0 \ubcf8\uccb4\uc758 \uc791\uc740 \uacbd\uc0ac \ubaa8\uc11c\ub9ac\ub098 \ud648\uc740 \ub2e4\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4 <strong>\uce90\uc18c\ub4dc<\/strong>.<\/li>\n\n\n\n<li><strong>\ud328\ud0a4\uc9c0 \ubc11\uba74 \ud45c\uc2dc:<\/strong> 0805 \ub610\ub294 1206\uacfc \uac19\uc740 \ud328\ud0a4\uc9c0\uc5d0\uc11c\ub294 \ubc11\uba74 \uae08\uc18d\uce35\uc5d0 \ub2e4\uc74c \ud45c\uc2dc\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4 <strong>&#8220;T&#8221; \ubaa8\uc591<\/strong>, <strong>\ud654\uc0b4\ud45c<\/strong>, \ub610\ub294 <strong>\uc0bc\uac01\ud615<\/strong>. &#8220;T&#8221;\uc758 \uac00\ub85c \ub9c9\ub300 \ub610\ub294 \ud654\uc0b4\ud45c\uc758 \ubc11\ubcc0\uc740 \ub2e4\uc74c\uc744 \uac00\ub9ac\ud0a4\uace0 <strong>\uc560\ub178\ub4dc<\/strong>, \ud654\uc0b4\ucd09\uc740 \ub2e4\uc74c\uc744 \uac00\ub9ac\ud0b5\ub2c8\ub2e4 <strong>\uce90\uc18c\ub4dc<\/strong>.<\/li>\n\n\n\n<li><strong>\uce90\uc18c\ub4dc\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ub41c \ud328\ub4dc:<\/strong> 2835 \ub610\ub294 5050\uacfc \uac19\uc740 \uace0\ucd9c\ub825 \ud328\ud0a4\uc9c0\uc758 \ub354 \ud070 \ubc29\uc5f4 \ud328\ub4dc\ub294 \uc5f4 \ubc29\ucd9c\uc744 \uc704\ud574 \uce90\uc18c\ub4dc\uc5d0 \uc5f0\uacb0\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\uc8fc\uc758:<\/strong> \ud45c\uc2dc \uad00\ub840\ub294 \ubaa8\ub4e0 \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \ubcf4\ud3b8\uc801\uc73c\ub85c \ud45c\uc900\ud654\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub0a9\ub55c\ud558\uae30 \uc804\uc5d0 \ud56d\uc0c1 \ubd80\ud488 \ubc88\ud638\ub97c \uc81c\uc870\uc5c5\uccb4 \ub370\uc774\ud130\uc2dc\ud2b8\uc758 \ud48b\ud504\ub9b0\ud2b8 \ub3c4\uba74\uacfc \ub300\uc870\ud574 \ud655\uc778\ud558\uc138\uc694.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\uba40\ud2f0\ubbf8\ud130\ub85c LED \uadf9\uc131\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc721\uc548 \uac80\uc0ac\ub85c \ud310\ubcc4\ud558\uae30 \uc5b4\ub824\uc6b4 \uacbd\uc6b0 \ub514\uc9c0\ud138 \uba40\ud2f0\ubbf8\ud130(DMM)\ub97c \uc0ac\uc6a9\ud558\uba74 \ud655\uc2e4\ud558\uac8c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub2e4\uc774\uc624\ub4dc \ubaa8\ub4dc \ud14c\uc2a4\ud2b8 \ub2e8\uacc4\ubcc4 \uc548\ub0b4<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\uba40\ud2f0\ubbf8\ud130\uc758 \ud68c\uc804\uc2dd \uc120\ud0dd\uae30\ub97c <strong>\ub2e4\uc774\uc624\ub4dc \ud14c\uc2a4\ud2b8 \ubaa8\ub4dc<\/strong> (\ub2e4\uc774\uc624\ub4dc \uae30\ud638: \u2192|)\ub85c \uc124\uc815\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub97c \uaf42\uc2b5\ub2c8\ub2e4 <strong>\ube68\uac04\uc0c9 \ub9ac\ub4dc\uc120<\/strong> \uc744 V\/\u03a9\/\ub2e4\uc774\uc624\ub4dc \ud3ec\ud2b8\uc5d0, <strong>\uac80\uc740\uc0c9 \ub9ac\ub4dc\uc120<\/strong> \uc744 COM \ud3ec\ud2b8\uc5d0 \uaf42\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud504\ub85c\ube0c \ub05d\uc744 LED \ub9ac\ub4dc \ub450 \uac1c\uc5d0 \ub311\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uacb0\uacfc\ub97c \ud655\uc778\ud569\ub2c8\ub2e4:\n<ul class=\"wp-block-list\">\n<li><strong>LED\uac00 \ud76c\ubbf8\ud558\uac8c \ube5b\ub098\uace0 \ubbf8\ud130\uc5d0 \uc804\uc555\uc774 \ud45c\uc2dc\ub418\uba74(\uc77c\ubc18\uc801\uc73c\ub85c 1.6V~3.2V):<\/strong> \ud574\ub2f9 <strong>\ube68\uac04\uc0c9 \ud504\ub85c\ube0c\uac00 \uc560\ub178\ub4dc(+)\uc5d0 \ub2ff\uc544 \uc788\uc2b5\ub2c8\ub2e4<\/strong> \uadf8\ub9ac\uace0 <strong>\uac80\uc740\uc0c9 \ud504\ub85c\ube0c\uac00 \uce90\uc18c\ub4dc(-)\uc5d0 \ub2ff\uc544 \uc788\uc2b5\ub2c8\ub2e4<\/strong>. \ud45c\uc2dc\ub418\ub294 \uc22b\uc790\ub294 LED\uc758 \uc21c\ubc29\ud5a5 \uc804\uc555 \uac15\ud558(V<sub>f<\/sub>).<\/li>\n\n\n\n<li><strong>\uce21\uc815\uae30\uc5d0 \u201cOL\u201d(\uce21\uc815 \ubc94\uc704 \ucd08\uacfc)\uc774 \ud45c\uc2dc\ub418\uac70\ub098 0V\ub85c \uc720\uc9c0\ub418\ub294 \uacbd\uc6b0:<\/strong> \ud504\ub85c\ube0c\ub97c \uc11c\ub85c \ubc14\uafd4 \uc5f0\uacb0\ud55c \ub4a4 \ub2e4\uc2dc \uce21\uc815\ud558\uc138\uc694.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"377\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/multimeter.webp\" alt=\"multimeter\" class=\"wp-image-20490\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/multimeter.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/multimeter-300x113.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/multimeter-768x290.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/multimeter-18x7.webp 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uc5b4\ub290 \ubc29\ud5a5\uc73c\ub85c \uc5f0\uacb0\ud574\ub3c4 LED\uac00 \ucf1c\uc9c0\uc9c0 \uc54a\ub294\ub2e4\uba74?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub192\uc740 \uc21c\ubc29\ud5a5 \uc804\uc555(V<sub>f<\/sub>):<\/strong> \uc77c\ubc18\uc801\uc778 \ud30c\ub780\uc0c9, \ud770\uc0c9 \ubc0f \uc790\uc678\uc120 LED\ub294 \ubcf4\ud1b5 2.8V~3.4V\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc77c\ubd80 \uba40\ud2f0\ubbf8\ud130\ub294 \ub2e4\uc774\uc624\ub4dc \ubaa8\ub4dc\uc5d0\uc11c 2.0V\ub9cc \uacf5\uae09\ud558\ubbc0\ub85c \uc774\ub7ec\ud55c \uc0c9\uc0c1\uc758 LED\ub97c \ucf1c\uae30\uc5d0\ub294 \uc804\uc555\uc774 \ubd80\uc871\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>LED \uc190\uc0c1:<\/strong> \ub0b4\ubd80 \ubcf8\ub529 \uc640\uc774\uc5b4\ub098 \ubc18\ub3c4\uccb4 \uc811\ud569\ubd80\uac00 \uc190\uc0c1\ub418\uc5c8\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub2e4\uc911 \ub2e4\uc774\/\uc9c1\ub82c LED:<\/strong> \uc5ec\ub7ec \ub0b4\ubd80 \ub2e4\uc774\uac00 \uc9c1\ub82c\ub85c \uc5f0\uacb0\ub41c \ud328\ud0a4\uc9c0(\uc608: 6V \ub610\ub294 12V SMD \ud328\ud0a4\uc9c0)\ub294 \uc77c\ubc18 \uba40\ud2f0\ubbf8\ud130\uc758 3V \ud14c\uc2a4\ud2b8 \uc804\ub958\ub85c \uac80\uc0ac\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">LED\ub97c \uc62c\ubc14\ub974\uac8c \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uae30\ubcf8 LED \ud68c\ub85c \uad6c\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\ub958\ub97c \uc81c\ud55c\ud558\uc9c0 \uc54a\uc740 \ucc44 LED\ub97c \uc804\uc555\uc6d0\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uadf8\ub807\uac8c \ud558\uba74 \uc5f4 \ud3ed\uc8fc\uac00 \ubc1c\uc0dd\ud574 \uba87 \ubc00\ub9ac\ucd08 \uc548\uc5d0 \uc18c\uc790\uac00 \ud30c\uc190\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"599\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/basic-led-circuit-configuration.webp\" alt=\"basic led circuit configuration\" class=\"wp-image-20492\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/basic-led-circuit-configuration.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/basic-led-circuit-configuration-300x180.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/basic-led-circuit-configuration-768x460.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/basic-led-circuit-configuration-18x12.webp 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 \uc5f0\uacb0 \uacbd\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uacf5\uae09 \uc804\uc555(V<sub>CC<\/sub>) \u2192 \uc800\ud56d(R) \u2192 \uc560\ub178\ub4dc(+) \u2192 \uce90\uc18c\ub4dc(-) \u2192 \uc811\uc9c0(0V)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\ucc38\uace0: \uc804\ub958 \uc81c\ud55c \uc800\ud56d\uc740 \uc560\ub178\ub4dc \ucabd\uc774\ub098 \uce90\uc18c\ub4dc \ucabd \uc5b4\ub290 \uacf3\uc5d0\ub098 \ubc30\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c1\ub82c \ud68c\ub85c\uc774\ubbc0\ub85c \ubaa8\ub4e0 \uc9c0\uc810\uc5d0\uc11c \uc804\ub958\ub294 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc804\ub958 \uc81c\ud55c \uc800\ud56d\uac12 \uacc4\uc0b0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc801\uc808\ud55c \uc800\ud56d\uac12\uc744 \uacc4\uc0b0\ud558\ub824\uba74 \uc634\uc758 \ubc95\uce59\uc744 \uc801\uc6a9\ud558\uc138\uc694:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vsupply<\/strong> = \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \uc804\uc555(\ubcfc\ud2b8, V)<\/li>\n\n\n\n<li><strong>\ub85c\ub9c8 \uc22b\uc790\uc758 \ub2e4\uc12f<sub>f<\/sub><\/strong> = LED \uc21c\ubc29\ud5a5 \uc804\uc555 \uac15\ud558(\ubcfc\ud2b8, V; \ube68\uac04\uc0c9\/\ub178\ub780\uc0c9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 1.8V~2.2V, \ud30c\ub780\uc0c9\/\ud770\uc0c9\uc740 3.0V~3.3V)<\/li>\n\n\n\n<li><strong>If<\/strong> = \uc6d0\ud558\ub294 \uc21c\ubc29\ud5a5 \ub3d9\uc791 \uc804\ub958(\uc554\ud398\uc5b4, A; \uc77c\ubc18\uc801\uc778 \ud45c\uc2dc\uc6a9 LED\ub294 \ubcf4\ud1b5 0.010A~0.020A\uc774\uba70, \uc774\ub294 10mA~20mA\uc5d0 \ud574\ub2f9)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\uacf5\ud1b5 \uc560\ub178\ub4dc\uc640 \uacf5\ud1b5 \uce90\uc18c\ub4dc LED<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RGB LED, \ub2e4\uc790\ub9ac 7\uc138\uadf8\uba3c\ud2b8 \ub514\uc2a4\ud50c\ub808\uc774, LED \ub9c9\ub300 \uadf8\ub798\ud504\uc640 \uac19\uc740 \ub2e4\uc911 LED \ubd80\ud488\uc740 \uc804\uccb4 \ud540 \uc218\ub97c \uc904\uc774\uae30 \uc704\ud574 \ud558\ub098\uc758 \uacf5\ud1b5 \ub2e8\uc790\ub97c \uacf5\uc720\ud558\uc5ec \uc5ec\ub7ec \ub0b4\ubd80 LED \uc811\ud569\ubd80\ub97c \ub2e8\uc77c \ud328\ud0a4\uc9c0\uc5d0 \ubaa8\uc544 \ub461\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"521\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-anode-vs.-common-cathode-leds.webp\" alt=\"common anode vs. common cathode leds\" class=\"wp-image-20493\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-anode-vs.-common-cathode-leds.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-anode-vs.-common-cathode-leds-300x156.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-anode-vs.-common-cathode-leds-768x400.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-anode-vs.-common-cathode-leds-18x9.webp 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uacf5\ud1b5 \uc560\ub178\ub4dc(CA) \uad6c\uc131\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacf5\ud1b5 \ub2e8\uc790:<\/strong> \ubaa8\ub4e0 \ub0b4\ubd80 \uc591\uadf9 \ub178\ub4dc(\uc560\ub178\ub4dc)\uac00 \ub0b4\ubd80\uc5d0\uc11c \ud558\ub098\uc758 \ud540\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc5f0\uacb0:<\/strong> \uacf5\ud1b5 \ud540\uc740 V\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ub429\ub2c8\ub2e4<sub>CC<\/sub>.<\/li>\n\n\n\n<li><strong>\ud65c\uc131\ud654 \ub17c\ub9ac:<\/strong> \uac01 \uc138\uadf8\uba3c\ud2b8\ub098 \uc0c9\uc0c1\uc740 \ud574\ub2f9 \uce90\uc18c\ub4dc \ud540\uc744 <strong>LOW(\uc811\uc9c0\/0V\ub85c)<\/strong>.<\/li>\n\n\n\n<li><strong>\uad6c\ub3d9 \ubc29\uc2dd:<\/strong> \ub9c8\uc774\ud06c\ub85c\ucee8\ud2b8\ub864\ub7ec \ub610\ub294 LED \ub4dc\ub77c\uc774\ubc84\uac00 <strong>\ud761\uc218\ud569\ub2c8\ub2e4<\/strong> \uc804\ub958\ub97c.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\uacf5\ud1b5 \uce90\uc18c\ub4dc(CC) \uad6c\uc131\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacf5\ud1b5 \ub2e8\uc790:<\/strong> \ubaa8\ub4e0 \ub0b4\ubd80 \uc74c\uadf9 \ub178\ub4dc(\uce90\uc18c\ub4dc)\uac00 \ub0b4\ubd80\uc5d0\uc11c \ud558\ub098\uc758 \ud540\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc5f0\uacb0:<\/strong> \uacf5\ud1b5 \ud540\uc740 \ud68c\ub85c \uc811\uc9c0(GND)\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud65c\uc131\ud654 \ub17c\ub9ac:<\/strong> \uac01 \uc138\uadf8\uba3c\ud2b8\ub098 \uc0c9\uc0c1\uc740 \ud574\ub2f9 \uc560\ub178\ub4dc \ud540\uc744 <strong>HIGH(V\uc5d0)<sub>CC<\/sub>)<\/strong>.<\/li>\n\n\n\n<li><strong>\uad6c\ub3d9 \ubc29\uc2dd:<\/strong> \ub9c8\uc774\ud06c\ub85c\ucee8\ud2b8\ub864\ub7ec \ub610\ub294 LED \ub4dc\ub77c\uc774\ubc84\uac00 <strong>\uacf5\uae09\ud569\ub2c8\ub2e4<\/strong> \uc804\ub958\ub97c.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc57d \ube44\uad50<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\ud2b9\uc9d5<\/strong><\/td><td><strong>\uacf5\ud1b5 \uc560\ub178\ub4dc(CA)<\/strong><\/td><td><strong>\uacf5\ud1b5 \uce90\uc18c\ub4dc(CC)<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\uacf5\ud1b5 \ud540<\/strong><\/td><td>\uc560\ub178\ub4dc (+)<\/td><td>\uce90\uc18c\ub4dc (-)<\/td><\/tr><tr><td><strong>\uacf5\ud1b5 \ub808\uc77c \uc5f0\uacb0<\/strong><\/td><td>\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58(V<sub>CC<\/sub>)<\/td><td>\uc811\uc9c0(GND)<\/td><\/tr><tr><td><strong>\ucf1c\uc9d0 \uc870\uac74<\/strong><\/td><td>\ub17c\ub9ac <strong>LOW<\/strong> (0V)<\/td><td>\ub17c\ub9ac <strong>HIGH<\/strong> (V<sub>CC<\/sub>)<\/td><\/tr><tr><td><strong>\ub9c8\uc774\ud06c\ub85c\ucee8\ud2b8\ub864\ub7ec\uc758 \uc5ed\ud560<\/strong><\/td><td>\uc804\ub958 <strong>\uc804\ub958 \ud761\uc218<\/strong><\/td><td>\uc804\ub958 <strong>\uc804\ub958 \uacf5\uae09<\/strong><\/td><\/tr><tr><td><strong>\uc8fc\uc694 \uc0ac\uc6a9 \uc0ac\ub840<\/strong><\/td><td>\uc561\ud2f0\ube0c \ub85c\uc6b0 \ub514\uc2a4\ud50c\ub808\uc774 \ub4dc\ub77c\uc774\ubc84, \uc624\ud508 \ub4dc\ub808\uc778 IC<\/td><td>\ud45c\uc900 \ub17c\ub9ac \ucd9c\ub825, MCU \ud540 \uc9c1\uc811 \uc5f0\uacb0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">RGB LED\uc640 7\uc138\uadf8\uba3c\ud2b8 \ub514\uc2a4\ud50c\ub808\uc774\uc758 LED \uadf9\uc131<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">RGB LED \ud540 \ubc30\uc5f4 \uc2dd\ubcc4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">4\ud540 \uc2a4\ub8e8\ud640 RGB LED\ub294 \ube68\uac15, \ucd08\ub85d, \ud30c\ub791 \ub2e4\uc774\uac00 \ud558\ub098\uc758 \ud328\ud0a4\uc9c0\uc5d0 \ub4e4\uc5b4 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"546\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/a-4-pin-through-hole-rgb-led.webp\" alt=\"a 4 pin through hole rgb led\" class=\"wp-image-20494\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/a-4-pin-through-hole-rgb-led.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/a-4-pin-through-hole-rgb-led-300x164.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/a-4-pin-through-hole-rgb-led-768x419.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/a-4-pin-through-hole-rgb-led-18x10.webp 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud540 2(\uac00\uc7a5 \uae34 \ub9ac\ub4dc):<\/strong> \ud574\ub2f9 <strong>\uacf5\ud1b5 \ud540<\/strong> (\uacf5\ud1b5 \uc560\ub178\ub4dc \ub610\ub294 \uacf5\ud1b5 \uce90\uc18c\ub4dc).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud540 1(\uacf5\ud1b5 \ud540\uc5d0 \uc778\uc811):<\/strong> \ube68\uac15 \ucc44\ub110(\ub354 \ub0ae\uc740 \uc21c\ubc29\ud5a5 \uc804\uc555\uc774 \ud544\uc694\ud558\uba70, \uc57d 2.0V).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud540 3:<\/strong> \ucd08\ub85d \ucc44\ub110(\uc77c\ubc18\uc801\uc73c\ub85c \uc57d 3.1V).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud540 4:<\/strong> \ud30c\ub791 \ucc44\ub110(\uc77c\ubc18\uc801\uc73c\ub85c \uc57d 3.2V).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7\uc138\uadf8\uba3c\ud2b8 \ub514\uc2a4\ud50c\ub808\uc774\uc758 \uadf9\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7\uc138\uadf8\uba3c\ud2b8 \ub514\uc2a4\ud50c\ub808\uc774\ub294 a\ubd80\ud130 g\uae4c\uc9c0 \ud45c\uc2dc\ub41c 7\uac1c\uc758 \uac1c\ubcc4 \ub9c9\ub300\ud615 LED\uc640 \uc18c\uc218\uc810(DP)\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacf5\ud1b5 \uc560\ub178\ub4dc \ub514\uc2a4\ud50c\ub808\uc774:<\/strong> \uce90\uc18c\ub4dc \uc138\uadf8\uba3c\ud2b8\ub97c LOW\ub85c \ub2f9\uae30\ub294 \ub4dc\ub77c\uc774\ubc84\uac00 \ud544\uc694\ud569\ub2c8\ub2e4(\uc608: \uc624\ud508 \uceec\ub809\ud130 \uc5b4\ub808\uc774\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud558\ub294 74HC595 \uac19\uc740 \ud45c\uc900 \uc2dc\ud504\ud2b8 \ub808\uc9c0\uc2a4\ud130).<\/li>\n\n\n\n<li><strong>\uacf5\ud1b5 \uce90\uc18c\ub4dc \ub514\uc2a4\ud50c\ub808\uc774:<\/strong> \uc138\uadf8\uba3c\ud2b8\uc5d0 \uc591\uc758 \uc804\uc555\uc744 \uacf5\uae09\ud558\ub294 \ub4dc\ub77c\uc774\ubc84\uac00 \ud544\uc694\ud569\ub2c8\ub2e4(\uc608: MAX7219 \ub4dc\ub77c\uc774\ubc84 IC).<\/li>\n\n\n\n<li><strong>\uac1c\ubcc4 \uc800\ud56d:<\/strong> \uac01 \uc138\uadf8\uba3c\ud2b8\uc5d0\ub294 \uc804\ub958 \uc81c\ud55c \uc800\ud56d\uc774 \ud558\ub098\uc529 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uacf5\ud1b5 \ud540\uc5d0 \uc800\ud56d \ud558\ub098\ub9cc \uc5f0\uacb0\ud558\uba74 \uc810\ub4f1\ub418\ub294 \uc138\uadf8\uba3c\ud2b8 \uc218\uc5d0 \ub530\ub77c \ub514\uc2a4\ud50c\ub808\uc774 \ubc1d\uae30\uac00 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">LED\ub97c \uac70\uafb8\ub85c \uc5f0\uacb0\ud558\uba74 \uc5b4\ub5bb\uac8c \ub420\uae4c\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LED\ub97c \uc5ed\ubc29\ud5a5\uc73c\ub85c \uc5f0\uacb0\ud558\uba74:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>LED\uac00 \ucf1c\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/strong> p-n \uc811\ud569\uc774 \uc804\ub958\ub97c \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubd84\uae30 \ud68c\ub85c\uc758 \uc804\ub958\uac00 \uac70\uc758 0\uc73c\ub85c \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4:<\/strong> \uc774\ub294 \uac1c\ubc29 \uc2a4\uc704\uce58\ucc98\ub7fc \uc791\ub3d9\ud558\uba70, \uadf8 \uacb0\uacfc \ud558\ub958\uc5d0 \uc9c1\ub82c\ub85c \uc5f0\uacb0\ub41c \ubd80\ud488\uc5d0\ub3c4 \uc804\uc6d0\uc774 \uacf5\uae09\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc190\uc0c1 \uc704\ud5d8:<\/strong> \uc5ed\uc804\uc555(V<sub>\uc5ed\ubc29\ud5a5<\/sub>)\uc774 \uc815\uaca9 \ucd5c\ub300 \uc5ed\uc804\uc555(V<sub>\uc544\ub974 \uc790\ud615\uc758 \uac83<\/sub>, \ubcf4\ud1b5 \uc57d 5V)\ubcf4\ub2e4 \ub0ae\uac8c \uc720\uc9c0\ub418\uba74 LED\ub294 \uc190\uc0c1\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 V\ubcf4\ub2e4 \ub192\uc740 \uc804\uc555\uc5d0 \ub178\ucd9c\ub418\uba74<sub>\uc544\ub974 \uc790\ud615\uc758 \uac83<\/sub>, \uc5ed\ubc29\ud5a5 \ud56d\ubcf5\uc73c\ub85c \uc778\ud574 \ubc18\ub3c4\uccb4 \uc811\ud569\ubd80\uac00 \uacfc\uc5f4\ub418\uc5b4 \uc601\uad6c\uc801\uc73c\ub85c \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\uadf9\uc131 \ubb38\uc81c \ud574\uacb0 \ub2e8\uacc4<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\uc989\uc2dc \uc804\uc6d0\uc744 \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub9ac\ub4dc\uc758 \uae38\uc774 \ub610\ub294 \ucf00\uc774\uc2a4\uc758 \ud3c9\ud3c9\ud55c \uac00\uc7a5\uc790\ub9ac\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uae30\ud310\uc758 \uc2e4\ud06c\uc2a4\ud06c\ub9b0 \uadf9\uc131 \ud45c\uc2dc\uc640 \ubd80\ud488 \ubc30\uce58\ub97c \ub300\uc870\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ubd84\ub9ac\ud55c \ubd80\ud488\uc744 \uba40\ud2f0\ubbf8\ud130\uc758 \ub2e4\uc774\uc624\ub4dc \ubaa8\ub4dc\ub85c \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uacc4\uc0b0\ub41c \uc9c1\ub82c \uc800\ud56d\uac12\uc774 \uacfc\uc804\ub958\ub97c \ubc29\uc9c0\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\ud754\ud788 \ud558\ub294 LED \uadf9\uc131 \uc2e4\uc218<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud3c9\ud3c9\ud55c \ubaa8\uc11c\ub9ac\uac00 \ud56d\uc0c1 \uc560\ub178\ub4dc\ub97c \ub098\ud0c0\ub0b8\ub2e4\uace0 \uac00\uc815\ud558\ub294 \uac83:<\/strong> \ud3c9\ud3c9\ud55c \ubaa8\uc11c\ub9ac\ub294 <strong>\uce90\uc18c\ub4dc<\/strong> (\uc74c\uadf9) \ub2e8\uc790\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc798\ub77c\ub0b8 \ub9ac\ub4dc\uc120\uc744 \uae30\uc900\uc73c\ub85c \ud310\ub2e8\ud558\ub294 \uac83:<\/strong> \ud56d\uc0c1 \ud328\ud0a4\uc9c0\uc758 \ud3c9\ud3c9\ud55c \ubaa8\uc11c\ub9ac\ub97c \ud655\uc778\ud558\uace0, \ub0b4\ubd80 \ub9ac\ub4dc \ud504\ub808\uc784\uc758 \ud615\ud0dc\ub97c \uc0b4\ud3b4\ubcf4\uac70\ub098, \ub9ac\ub4dc\uc120\uc744 \uc790\ub978 \ud6c4\uc5d0\ub294 \uce21\uc815\uae30\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/li>\n\n\n\n<li><strong>\ubaa8\ub4e0 SMD \ud45c\uc2dc\uac00 \ud558\ub098\uc758 \ud45c\uc900\uc744 \ub530\ub978\ub2e4\uace0 \uac00\uc815\ud558\ub294 \uac83:<\/strong> \uc77c\ubd80 \uc81c\uc870\uc5c5\uccb4\ub294 \uc810\uc73c\ub85c \uc560\ub178\ub4dc\ub97c \ud45c\uc2dc\ud558\uc9c0\ub9cc, \ub300\ubd80\ubd84\uc740 \uce90\uc18c\ub4dc\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4. \ud56d\uc0c1 \ud574\ub2f9 \ubd80\ud488\uc758 \uc815\ud655\ud55c \ub370\uc774\ud130\uc2dc\ud2b8\ub85c \ud655\uc778\ud558\uc138\uc694.<\/li>\n\n\n\n<li><strong>\uc5ec\ub7ec \uc138\uadf8\uba3c\ud2b8 \ub514\uc2a4\ud50c\ub808\uc774\uc5d0 \uacf5\uc6a9 \uc800\ud56d \ud558\ub098\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83:<\/strong> \uacf5\ud1b5 \ud540\uc5d0 \uc800\ud56d \ud558\ub098\ub9cc \uc5f0\uacb0\ud558\uba74 \ud45c\uc2dc\ub418\ub294 \uc22b\uc790\uc5d0 \ub530\ub77c \ubc1d\uae30\uac00 \ub208\uc5d0 \ub744\uac8c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc5ed\ubcd1\ub82c \ubcf4\ud638 \ub2e4\uc774\uc624\ub4dc \uc5c6\uc774 \uace0\uc804\uc555 AC\ub97c \uc9c1\uc811 \uc5f0\uacb0\ud558\ub294 \uac83:<\/strong> \uad50\ub958 \uc8fc\uae30\uc5d0 \ub530\ub978 \uc5ed\ubc29\ud5a5 \ud56d\ubcf5\uc73c\ub85c \ubcf4\ud638\ub418\uc9c0 \uc54a\uc740 LED\ub294 \ube60\ub974\uac8c \uc131\ub2a5\uc774 \uc800\ud558\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ube60\ub978 \ucc38\uc870 \uc694\uc57d<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\uc9c8\ubb38<\/strong><\/td><td><strong>\ub2f5\ubcc0<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>LED \uc560\ub178\ub4dc\ub294 \uc591\uadf9\uc778\uac00\uc694, \uc74c\uadf9\uc778\uac00\uc694?<\/strong><\/td><td><strong>\uc591\uadf9(+)<\/strong> \uc77c\ubc18\uc801\uc778 \uc21c\ubc29\ud5a5 \ubc14\uc774\uc5b4\uc2a4 \uc791\ub3d9\uc5d0\uc11c\ub294 \uc591\uadf9\uc785\ub2c8\ub2e4.<\/td><\/tr><tr><td><strong>LED \uce90\uc18c\ub4dc\ub294 \uc591\uadf9\uc778\uac00\uc694, \uc74c\uadf9\uc778\uac00\uc694?<\/strong><\/td><td><strong>\uc74c\uadf9(-)<\/strong> \uc77c\ubc18\uc801\uc778 \uc21c\ubc29\ud5a5 \ubc14\uc774\uc5b4\uc2a4 \uc791\ub3d9\uc5d0\uc11c\ub294 \uc591\uadf9\uc785\ub2c8\ub2e4.<\/td><\/tr><tr><td><strong>\uad00\ud1b5\ud615 LED\uc5d0\uc11c \uc5b4\ub290 \ucabd \ub9ac\ub4dc\uac00 \ub354 \uae34\uac00\uc694?<\/strong><\/td><td>\ud574\ub2f9 <strong>\uc560\ub178\ub4dc (+)<\/strong>.<\/td><\/tr><tr><td><strong>\uc5b4\ub290 \ucabd\uc5d0 \ud3c9\ud3c9\ud55c \ubaa8\uc11c\ub9ac\uac00 \uc788\ub098\uc694?<\/strong><\/td><td>\ud574\ub2f9 <strong>\uce90\uc18c\ub4dc (-)<\/strong>.<\/td><\/tr><tr><td><strong>\ud68c\ub85c\ub3c4 \uae30\ud638\uc5d0\uc11c \uc5b4\ub290 \ucabd\uc774 \uce90\uc18c\ub4dc\uc778\uac00\uc694?<\/strong><\/td><td>\ud654\uc0b4\ud45c\uac00 \uac00\ub9ac\ud0a4\ub294 \ucabd\uc758 \uc218\uc9c1\uc120\/\ub9c9\ub300\uc785\ub2c8\ub2e4.<\/td><\/tr><tr><td><strong>DMM\uc758 \uc5b4\ub290 \ucabd \ud504\ub85c\ube0c\ub97c \uc560\ub178\ub4dc\uc5d0 \uc5f0\uacb0\ud558\ub098\uc694?<\/strong><\/td><td>\ud574\ub2f9 <strong>\ube68\uac04\uc0c9(+)<\/strong> \ud504\ub85c\ube0c\uc785\ub2c8\ub2e4.<\/td><\/tr><tr><td><strong>\uc77c\ubc18\uc801\uc73c\ub85c \uc5b4\ub290 \ub2e8\uc790\ub97c \uc811\uc9c0\uc5d0 \uc5f0\uacb0\ud558\ub098\uc694?<\/strong><\/td><td>\ud574\ub2f9 <strong>\uce90\uc18c\ub4dc (-)<\/strong>.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">LED\uc5d0\uc11c \uce90\uc18c\ub4dc\ub294 \uc591\uadf9\uc778\uac00\uc694, \uc74c\uadf9\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 \uc21c\ubc29\ud5a5 \uc9c1\ub958 \uc791\ub3d9\uc5d0\uc11c \uce90\uc18c\ub4dc\ub294 <strong>\uc74c\uadf9<\/strong> \ub2e8\uc790\uc785\ub2c8\ub2e4. \ud68c\ub85c \uc804\uc6d0\uc758 \uc811\uc9c0 \ub610\ub294 \uc74c\uadf9 \ub808\uc77c \ucabd\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">LED\uc758 \uae34 \ub9ac\ub4dc\ub294 \ud56d\uc0c1 \uc560\ub178\ub4dc\ub97c \ub098\ud0c0\ub0b4\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c8 \uc81c\ud488\uc774\uace0 \ub9ac\ub4dc\ub97c \uc790\ub974\uc9c0 \uc54a\uc740 \uad00\ud1b5\ud615 LED\uc5d0\uc11c\ub294 \uae34 \ub9ac\ub4dc\uac00 \uc560\ub178\ub4dc\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ubd80\ud488\uc758 \ub9ac\ub4dc\ub97c \uc790\ub974\uac70\ub098 \ub0a9\ub55c \uc81c\uac70\ub97c \ud55c \uacbd\uc6b0\uc5d0\ub294 \ud3c9\ud3c9\ud55c \ubaa8\uc11c\ub9ac, \ub0b4\ubd80 \ucef5 \ubaa8\uc591 \ub610\ub294 \uba40\ud2f0\ubbf8\ud130 \uce21\uc815 \uacb0\uacfc\ub97c \uae30\uc900\uc73c\ub85c \ud310\ub2e8\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">LED\uc758 \ub450 \ub9ac\ub4dc\uac00 \uac19\uc740 \uae38\uc774\ub85c \uc798\ub9b0 \uacbd\uc6b0 \uadf9\uc131\uc744 \uc5b4\ub5bb\uac8c \ud655\uc778\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud50c\ub77c\uc2a4\ud2f1 \ud558\uc6b0\uc9d5\uc758 \ud3c9\ud3c9\ud55c \ud14c\ub450\ub9ac(\uce90\uc18c\ub4dc \ucabd)\ub97c \ucc3e\uac70\ub098 \ud22c\uba85\ud55c \ucf00\uc774\uc2a4\ub97c \ud1b5\ud574 \ub0b4\ubd80 \uc804\uadf9\uc744 \uc0b4\ud3b4\ubcf4\uc138\uc694(\ub354 \ud070 \uc564\ube4c\uc774 \uce90\uc18c\ub4dc\uc785\ub2c8\ub2e4). \uc2dc\uac01\uc801 \ud45c\uc2dc\uac00 \ubd88\ubd84\uba85\ud558\uba74 \ub514\uc9c0\ud138 \uba40\ud2f0\ubbf8\ud130\uc758 \ub2e4\uc774\uc624\ub4dc \uac80\uc0ac \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uadf9\uc131\uc744 \ubc18\ub300\ub85c \uc5f0\uacb0\ud558\uba74 LED\uac00 \ub9dd\uac00\uc9c8 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ed\uc804\uc555\uc774 \ubd80\ud488\uc758 \ucd5c\ub300 \uc5ed\ubc29\ud5a5 \ud56d\ubcf5 \uc804\uc555(\uc77c\ubc18\uc801\uc778 \ud45c\uc2dc\uc6a9 LED\uc758 \uacbd\uc6b0 \ubcf4\ud1b5 5V)\ubcf4\ub2e4 \ub0ae\uc73c\uba74 \uc190\uc0c1 \uc5c6\uc774 \ubd88\uc774 \ucf1c\uc9c0\uc9c0 \uc54a\uc744 \ubfd0\uc785\ub2c8\ub2e4. \uc5ed\uc804\uc555\uc774 \uc774 \ud55c\uacc4\ub97c \ub118\uc73c\uba74 \uc811\ud569\ubd80\uac00 \ud56d\ubcf5\ud558\uc5ec \uc7a5\uce58\uac00 \uc601\uad6c\uc801\uc73c\ub85c \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc804\ub958 \uc81c\ud55c \uc800\ud56d\uc740 \uc560\ub178\ub4dc \ucabd\uc5d0 \uc5f0\uacb0\ud558\ub098\uc694, \uce90\uc18c\ub4dc \ucabd\uc5d0 \uc5f0\uacb0\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc800\ud56d\uc740 <strong>\uc5b4\ub290 \ucabd\uc5d0\ub098<\/strong>\ubc30\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c1\ub82c \ud68c\ub85c\uc758 \ubd80\ud488\uc740 \uac19\uc740 \uc804\ub958 \uacbd\ub85c\ub97c \uacf5\uc720\ud558\ubbc0\ub85c, \uc800\ud56d\uc744 \uc560\ub178\ub4dc \ucabd\uc5d0 \ubc30\uce58\ud558\ub4e0 \uce90\uc18c\ub4dc \ucabd\uc5d0 \ubc30\uce58\ud558\ub4e0 \ud68c\ub85c \ubcf4\ud638 \ud6a8\uacfc\ub294 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uacf5\ud1b5 \uc560\ub178\ub4dc \ub514\uc2a4\ud50c\ub808\uc774\uc640 \uacf5\ud1b5 \uce90\uc18c\ub4dc \ub514\uc2a4\ud50c\ub808\uc774\uc758 \ucc28\uc774\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\ud1b5 \uc560\ub178\ub4dc \ub514\uc2a4\ud50c\ub808\uc774\uc5d0\uc11c\ub294 \ubaa8\ub4e0 LED \uc591\uadf9 \ub2e8\uc790\uac00 V<sub>CC<\/sub>\uc5d0 \uc5f0\uacb0\ub418\uace0, \uac01 \ud540\uc744 \uc811\uc9c0\ud558\uba74 \ud574\ub2f9 \uc138\uadf8\uba3c\ud2b8\uac00 \ucf1c\uc9d1\ub2c8\ub2e4(\uc561\ud2f0\ube0c \ub85c\uc6b0). \uacf5\ud1b5 \uce90\uc18c\ub4dc \ub514\uc2a4\ud50c\ub808\uc774\uc5d0\uc11c\ub294 \ubaa8\ub4e0 \uc74c\uadf9 \ub2e8\uc790\uac00 \uc811\uc9c0\uc5d0 \uc5f0\uacb0\ub418\uace0, \uc591\uc804\uc555\uc744 \uc778\uac00\ud558\uba74 \uc138\uadf8\uba3c\ud2b8\uac00 \ucf1c\uc9d1\ub2c8\ub2e4(\uc561\ud2f0\ube0c \ud558\uc774).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LED \uadf9\uc131\uc744 \uc62c\ubc14\ub974\uac8c \uc2dd\ubcc4\ud558\ub294 \uac83\uc740 \ubd80\ud488\uc744 \ubcf4\ud638\ud558\uace0 \ud68c\ub85c\uac00 \uc758\ub3c4\ub300\ub85c \uc791\ub3d9\ud558\ub3c4\ub85d \ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ud45c\uc900 \uc21c\ubc29\ud5a5 \ubc14\uc774\uc5b4\uc2a4 \uc791\ub3d9\uc5d0\uc11c\ub294 \ud56d\uc0c1 <strong>\uc560\ub178\ub4dc\ub294 \uc591\uadf9(+)<\/strong> \ub2e8\uc790\uc774\uace0, <strong>\uce90\uc18c\ub4dc\ub294 \uc74c\uadf9(-)<\/strong> \ub2e8\uc790\uc784\uc744 \uae30\uc5b5\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 \uad00\ud1b5\ud615 LED\ub294 \uae34 \ub9ac\ub4dc\ub97c \ud655\uc778\ud558\uac70\ub098, \ucf00\uc774\uc2a4\uc758 \ud3c9\ud3c9\ud55c \ubaa8\uc11c\ub9ac\ub97c \ucc3e\uac70\ub098, \ub0b4\ubd80\uc758 \ub354 \ud070 \uc564\ube4c \ucef5\uc744 \uc0b4\ud3b4\ubcf4\uba74 \ubc29\ud5a5\uc744 \ube60\ub974\uac8c \ud30c\uc545\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc81c\uc870\uc5c5\uccb4\uc5d0 \ub530\ub77c \uc2dc\uac01\uc801 \ud45c\uc2dc\uac00 \ud06c\uac8c \ub2ec\ub77c\uc9c0\ub294 \ud45c\uba74 \uc2e4\uc7a5 \ud328\ud0a4\uc9c0(SMD), RGB \ubaa8\ub4c8 \ub610\ub294 \ub2e4\uc911 \uc138\uadf8\uba3c\ud2b8 \ub514\uc2a4\ud50c\ub808\uc774\ub97c \ub2e4\ub8f0 \ub54c\ub294 \ub0a9\ub55c\ud558\uae30 \uc804\uc5d0 \ub514\uc9c0\ud138 \uba40\ud2f0\ubbf8\ud130\uc758 \ub2e4\uc774\uc624\ub4dc \ubaa8\ub4dc\uc640 \uacf5\uc2dd \ubd80\ud488 \ub370\uc774\ud130\uc2dc\ud2b8\ub85c \ud540 \ubc30\uc5f4\uc744 \ubc18\ub4dc\uc2dc \ud655\uc778\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \ud504\ub85c\uc81d\ud2b8\ub97c \ub9cc\ub4e4 \uc900\ube44\uac00 \ub418\uc168\ub098\uc694? \ub300\ud654\ud615 LED \uc800\ud56d \uacc4\uc0b0\uae30\ub85c \uc548\uc804\ud55c \uc804\ub958 \uc218\uc900\uc744 \ud655\uc778\ud558\uac70\ub098, \ub9de\ucda4\ud615 <a href=\"https:\/\/lead-pcb.com\/ko\/pcb-manufacturing\/\" data-type=\"page\" data-id=\"33\">PCB \ub808\uc774\uc544\uc6c3<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>An LED (Light Emitting Diode) is a polarized semiconductor device that allows current to flow in only one direction. To illuminate an LED, you must connect its positive and negative terminals correctly within your circuit. On standard through-hole LEDs, the longer leg and the rounded side represent the anode, while the shorter leg and the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20488,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"LED Anode and Cathode: How to Identify LED Polarity (+\/-)","_seopress_titles_desc":"Learn how to easily identify the LED anode (positive) and cathode (negative) using leg length, casing flat edges, multimeters, SMD marks, and circuit symbols.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[14],"tags":[],"class_list":["post-20487","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electronic-circuit"],"acf":[],"meta_box":[],"_links":{"self":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/posts\/20487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/comments?post=20487"}],"version-history":[{"count":0,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/posts\/20487\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/media\/20488"}],"wp:attachment":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/media?parent=20487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/categories?post=20487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/tags?post=20487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}