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linrong0812 发表于 2012-8-28 19:03
" E0 v+ z. `6 M# M/ w3 k/ _5 w2 aUL 8750 7.10.5& S; f0 T; G% M1 v w, W ?
Creepage distances shall not be less than clearances 说的是上面的意思?
9 N1 U0 b, ~9 W! q0 r: t( Q' {' r7.10.5 A eutectic material link or printed wiring board trace relied upon as an overcurrent protective
( x8 U7 P: U: e) Q9 |- pdevice shall be conformal coated or potted, and shall comply with the limited short circuit and foil trace d3 w+ _9 V# \3 [$ w8 u
calibration tests specified in the Standard for Fluorescent-Lamp Ballasts, UL 935. |
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