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引用第3楼jsspace于2011-11-30 16:17发表的 :
- P) c' R2 Z4 i4 ~& N: H8 [/ r我仔细的看了一下,datasheet上提到的是CSA的要求。 5 Q* e" J2 G8 d2 D
CSA也这么要求,看来又多了一家。
* v8 e& ~6 O7 \# WLED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。
4 J" q6 i% S w. d L: @" ~, |看来UL 1993中有段话还是稍微人性点:
: A* o5 Y0 a5 L. H: J& ]D.1.5 A device employing a solid-state component that is not relied upon to reduce a risk of electric shock; W' p3 @) p& R
and that can be damaged by the dielectric potential may be tested before the component is electrically
$ y9 V# n0 z: S, O! econnected provided that a random sampling of each day’s production is tested at the potential specified, Q. Y8 P5 F) A
in Table D.1. The circuitry may be rearranged for the purpose of the test to reduce the likelihood of
) j/ n6 h5 l$ E) a! W" U- Usolid-state component damage while retaining representative dielectric stress of the circuit. |
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