{"id":212996,"date":"2024-10-14T23:54:35","date_gmt":"2024-10-14T23:54:35","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=212996"},"modified":"2024-10-14T23:54:35","modified_gmt":"2024-10-14T23:54:35","slug":"led-%ed%9a%8c%eb%a1%9c%ec%97%90-%ec%a0%81%ed%95%a9%ed%95%9c-%ec%a0%80%ed%95%ad%ea%b8%b0-%ec%84%a0%ed%83%9d-%eb%b0%a9%eb%b2%95","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/led-%ed%9a%8c%eb%a1%9c%ec%97%90-%ec%a0%81%ed%95%a9%ed%95%9c-%ec%a0%80%ed%95%ad%ea%b8%b0-%ec%84%a0%ed%83%9d-%eb%b0%a9%eb%b2%95\/","title":{"rendered":"LED \ud68c\ub85c\uc5d0 \uc801\ud569\ud55c \uc800\ud56d\uae30 \uc120\ud0dd \ubc29\ubc95"},"content":{"rendered":"<p class=\"sidekick\">LED \ud68c\ub85c\uc5d0 \uc801\ud569\ud55c \uc800\ud56d\uae30 \uc120\ud0dd \ubc29\ubc95\uacfc \uc774\uc720\ub97c \uc774\ud574\ud558\uace0 \ucd5c\uc801\uc758 \uc800\ud56d\uae30\ub97c \uace0\ub974\ub294 \uc694\ub839\uc744 \ubc30\uc6b0\ub294 \uac00\uc774\ub4dc. \ucd08\ubcf4\uc790\ub3c4 \uc27d\uac8c \ub530\ub77c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>LED \ud68c\ub85c\uc5d0 \uc801\ud569\ud55c \uc800\ud56d\uae30 \uc120\ud0dd \ubc29\ubc95<\/h2>\n<p>LED(\ubc1c\uad11 \ub2e4\uc774\uc624\ub4dc)\ub294 \ub0ae\uc740 \uc804\uc555\uacfc \uc804\ub958\ub85c \uc791\ub3d9\ud558\uba70, \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc778 \ube5b\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 LED\ub97c \uc9c1\uc811 \uc804\uc6d0\uc5d0 \uc5f0\uacb0\ud558\uba74 \uacfc\uc804\ub958\ub85c \uc778\ud574 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574\uc11c \uc801\uc808\ud55c \uc800\ud56d\uae30\ub97c \uc120\ud0dd\ud558\uc5ec \ud68c\ub85c\uc5d0 \ucd94\uac00\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 LED \ud68c\ub85c\uc5d0 \uc801\ud569\ud55c \uc800\ud56d\uae30\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>1. \ud544\uc694\ud55c \uac12 \uacc4\uc0b0\ud558\uae30<\/h2>\n<p>\uba3c\uc800, LED \ud68c\ub85c\uc5d0 \ud544\uc694\ud55c \uc800\ud56d \uac12\uc744 \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n<p>\n<em>R = \\(\\frac{V_s &#8211; V_f}{I_f}\\)<\/em>\n<\/p>\n<ul>\n<li><strong>R<\/strong>: \uc800\ud56d \uac12 (\uc634, \u03a9)<\/li>\n<li><strong>V_s<\/strong>: \uacf5\uae09 \uc804\uc555 (\ubcfc\ud2b8, V) &#8211; \uc608: 9V \ubc30\ud130\ub9ac<\/li>\n<li><strong>V_f<\/strong>: LED\uc758 \uc21c\ubc29\ud5a5 \uc804\uc555 (\ubcfc\ud2b8, V) &#8211; \uc77c\ubc18\uc801\uc73c\ub85c \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0 \uba85\uc2dc<\/li>\n<li><strong>I_f<\/strong>: LED\uc758 \uc21c\ubc29\ud5a5 \uc804\ub958 (\uc554\ud398\uc5b4, A) &#8211; \uc77c\ubc18\uc801\uc73c\ub85c \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0 \uba85\uc2dc, \uc608: 20mA (0.02A)<\/li>\n<\/ul>\n<h2>2. \uc608\uc81c \uacc4\uc0b0<\/h2>\n<p>\uc608\ub97c \ub4e4\uc5b4, 9V \ubc30\ud130\ub9ac\ub97c \uc0ac\uc6a9\ud558\uace0 \uc21c\ubc29\ud5a5 \uc804\uc555\uc774 2V, \uc21c\ubc29\ud5a5 \uc804\ub958\uac00 20mA\uc778 LED\ub97c \uace0\ub824\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\n\\(<br \/>\nR = \\frac{9V &#8211; 2V}{0.02A} = \\frac{7V}{0.02A} = 350\u03a9<br \/>\n\\)\n<\/p>\n<h2>3. \uc801\uc808\ud55c \uc800\ud56d\uae30 \uc120\ud0dd<\/h2>\n<p>\uacc4\uc0b0 \uacb0\uacfc\ub294 350\u03a9\uc758 \uc800\ud56d\uae30 \uac12\uc774 \ub098\uc654\uc9c0\ub9cc, \uc2dc\uc7a5\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ud45c\uc900 \uc800\ud56d\uae30 \uac12\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c 330\u03a9\uc774\ub098 360\u03a9\uc758 \uc800\ud56d\uae30\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc8fc\ub85c \ub354 \ub192\uc740 \ucabd\uc758 \uc800\ud56d\uae30\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc548\uc804\ud558\uc9c0\ub9cc, \ub2e4\uc18c\uc758 \ubc1d\uae30 \uac10\uc18c\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>4. \uc804\ub825 \uc18c\ubaa8 \ud655\uc778<\/h2>\n<p>\uc800\ud56d\uae30\uc758 \uc804\ub825 \uc18c\ubaa8\ub3c4 \ud655\uc778\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc804\ub825(P)\uc740 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\n<em>P = I<sup>2<\/sup> * R<\/em>\n<\/p>\n<p>\uc704\uc758 \uc608\uc81c\uc5d0\uc11c \uacc4\uc0b0\ud574 \ubcf4\uba74:<\/p>\n<p>\n\\(<br \/>\nP = (0.02A)<sup>2<\/sup> * 350\u03a9 = 0.0004A<sup>2<\/sup> * 350\u03a9 = 0.14W<br \/>\n\\)\n<\/p>\n<p>0.14W \uc774\ud558\uc758 \uc804\ub825\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uc800\ud56d\uae30\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. 1\/4W(0.25W) \uc800\ud56d\uae30\uac00 \uc77c\ubc18\uc801\uc73c\ub85c \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>LED \ud68c\ub85c\uc5d0 \uc801\ud569\ud55c \uc800\ud56d\uae30\ub97c \uc120\ud0dd\ud558\uae30 \uc704\ud574\uc11c\ub294 \uba3c\uc800 LED\uc758 \ud2b9\uc131\uc744 \uc774\ud574\ud558\uace0 \ud544\uc694\ud55c \uc800\ud56d \uac12\uc744 \uacc4\uc0b0\ud55c \ud6c4, \ud45c\uc900 \uc800\ud56d\uae30 \uc911\uc5d0\uc11c \uac00\uc7a5 \uc801\ud569\ud55c \uac83\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 LED\ub97c \uc548\uc804\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \uc6d0\ud558\ub294 \ubc1d\uae30\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LED \ud68c\ub85c\uc5d0 \uc801\ud569\ud55c \uc800\ud56d\uae30 \uc120\ud0dd \ubc29\ubc95\uacfc \uc774\uc720\ub97c \uc774\ud574\ud558\uace0 \ucd5c\uc801\uc758 \uc800\ud56d\uae30\ub97c \uace0\ub974\ub294 \uc694\ub839\uc744 \ubc30\uc6b0\ub294 \uac00\uc774\ub4dc. \ucd08\ubcf4\uc790\ub3c4 \uc27d\uac8c \ub530\ub77c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[101],"tags":[],"class_list":["post-212996","post","type-post","status-publish","format-standard","hentry","category-101","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LED \ud68c\ub85c\uc5d0 \uc801\ud569\ud55c \uc800\ud56d\uae30 \uc120\ud0dd \ubc29\ubc95<\/title>\n<meta name=\"description\" content=\"LED \ud68c\ub85c\uc5d0 \uc801\ud569\ud55c \uc800\ud56d\uae30 \uc120\ud0dd \ubc29\ubc95\uacfc \uc774\uc720\ub97c \uc774\ud574\ud558\uace0 \ucd5c\uc801\uc758 \uc800\ud56d\uae30\ub97c \uace0\ub974\ub294 \uc694\ub839\uc744 \ubc30\uc6b0\ub294 \uac00\uc774\ub4dc. 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