220v电源指示灯电阻 接220vled指示灯用多大电阻
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300到400k正好！200k太亮电阻热，一点不好用
绛旓細鎵浠ワ紝220v鐢垫寚绀虹伅鐨勭數闃鏄 48400 惟銆
绛旓細鐜板湪鐨鎸囩ず鐏澶у鏄疞ED鍙戝厜浜屾瀬绠′簡锛屾寚绀虹伅鏈変竴鐐圭數娴侊紝灏辫兘浜紝鎵浠鐢甸樆200K宸﹀彸灏辫锛岀害1姣畨鐨勭數娴佺殑浜害涔熻冻澶熶綔涓烘寚绀虹伅浜哰(220-3)梅200K鈮1姣畨銆傚鏋滄槸姘栫伅锛岀數闃500K~5M惟鍧囧彲锛岀數闃昏秺澶э紝鐢垫祦瓒婂皬锛屽鍛借秺闀裤傚浜嶭ED鎸囩ず鐏紝LED鐨勭殑鐢靛帇闄嶅彧鏈2~3V, 220V鐨勭數鍘嬪嚑涔庡叏钀藉湪鐢甸樆涓婏紝濡傛灉鏄...
绛旓細220V鐢垫簮濡傛灉浣跨敤LED鍋氫负鎸囩ず鐏锛屼笉鍚屽巶瀹躲佷笉鍚岄鑹茬殑LED鍦ㄤ笉鍚岀殑搴旂敤鍦哄悎涓紝闄愭祦鐢甸樆鐨勯樆鍊奸兘涓嶄竴鏍枫傞檺娴佺數闃昏绠楀叕寮忎负锛氾紙鐢垫簮鐢靛帇V锛峀ED鍘嬮檷V锛壝烽檺娴佺數娴丄锛濈數闃诲嘉┿備互220V锛屾櫘閫氱孩鑹茬殑LED涓轰緥锛屽帇闄嶅彇2V锛岀數娴佸彇2mA锛岄檺娴佺數闃讳负120K惟銆傜敱浜嶭ED浠呴渶寰急鐢垫祦鍗冲彲鐐逛寒锛屽嚭浜庡畨鍏ㄥ拰淇濋殰闀挎椂闂...
绛旓細1銆佹帴200娆鐢甸樆銆傜數娴1A锛屼笉鑳70鈥200娆у閫夋嫨銆傜敤鏉ュ仛鎸囩ず鐏鐨勬櫘閫氬彂鍏夛紝浜屾瀬绠′覆鎺43~47K锛2W~3W鐨勭數闃汇傜數娴佷竴鑸5mA(楂樹寒鐨勫彂鍏変簩鏋佺鎺ョ殑鐢甸樆澶х偣110~150K锛1/2W銆傜數娴佷竴鑸2mA)锛岀伅瑕佸弽鍚戝苟鑱斾竴涓彂鍏変簩鏋佺IN4007鎴朓N4007銆2銆佸綋鐒惰繖鏄悊鎯冲硷紝绠椾笂鐢电綉娉㈠姩锛屼覆鐨勭數闃绘渶濂藉湪15鑷16鍗冩涔嬮棿锛...
绛旓細1. 鎸囩ず鐏閫氬父浣跨敤LED鍙戝厜浜屾瀬绠★紝杩欑鐏叿鍙渶寰堝皬鐨勭數娴佸氨鑳藉彂鍏夈傚洜姝わ紝鍚堥傜殑鐢甸樆鍊煎ぇ绾﹀湪200K娆у宸﹀彸锛岃繖鏍峰彲浠ヤ繚璇佸ぇ绾1姣畨鐨勭數娴侀氳繃锛岃冻浠ヤ娇鎸囩ず鐏寒璧枫傝绠楁柟寮忓涓嬶細[(220V - 3V) 梅 200K娆у] 鈮 1姣畨銆2. 瀵逛簬姘栫伅杩欑被鎸囩ず鐏紝鐢甸樆鍊煎彲浠ュ湪500K娆у鍒5M娆у涔嬮棿閫夋嫨銆傜數闃昏秺澶э紝閫氳繃...
绛旓細鍔熻兘涓嶅悓鍜岃绠楀叕寮忎笉鍚屻1銆佸姛鑳戒笉鍚岋細220V鐢垫簮鎸囩ず鐏涓嶅甫鐢甸樆锛屽姛鑳戒负鏄剧ず鐢佃矾鐨勫伐浣滅姸鎬併220V鐢垫簮鎸囩ず鐏甫鐢甸樆锛屽姛鑳戒负闄愭祦锛屼繚璇佺數璺畨鍏ㄣ2銆佽绠楀叕寮忎笉鍚岋細220V鐢垫簮鎸囩ず鐏笉甯︾數闃伙紝娌℃湁璁＄畻鍏紡銆220V鐢垫簮鎸囩ず鐏甫鐢甸樆锛岃绠楀叕寮忎负锛歊=[锛圴op-NVz锛塈Led]^1]^銆
绛旓細鎻掑骇鐨鎸囩ず鐏鎺ヤ竴涓100k2鐡︾殑鐢甸樆灏卞彲浠ヤ簡銆傦紙寰堝鐢甸樆鐑ф瘉涓嶆槸鍥犱负闃诲艰屾槸鍥犱负鐢甸樆鍔熺巼涓嶅锛
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