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引用第3楼jsspace于2011-11-30 16:17发表的 :) `1 I( A$ z0 h3 Y, {( U+ }' G0 u
我仔细的看了一下,datasheet上提到的是CSA的要求。
" M6 O# @. f% M3 u* Y _CSA也这么要求,看来又多了一家。
{6 @) h- Z. U7 M" Q8 v+ @LED这东西本身就比较脆弱(3.4V左右电压),现在还要求这么高,难做啊。 [ {: W# `( U2 i: J/ @( A8 S
看来UL 1993中有段话还是稍微人性点:
$ c/ c, j. l& W9 J4 B4 D8 OD.1.5 A device employing a solid-state component that is not relied upon to reduce a risk of electric shock
; a: h: X6 ` H' Sand that can be damaged by the dielectric potential may be tested before the component is electrically7 u( y4 L w+ x9 [4 v& Z8 q) t. X0 R
connected provided that a random sampling of each day’s production is tested at the potential specified
9 L* e( w% V6 P( zin Table D.1. The circuitry may be rearranged for the purpose of the test to reduce the likelihood of
9 ~& D, B% n' `% qsolid-state component damage while retaining representative dielectric stress of the circuit. |
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