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刚才看UL1727的关于焊接的要求是:
/ |5 R. [. Y4 `/ D4 a4 ~) N18.3.3 With reference to 18.3.2, a lead is considered mechanically secure when one or more of the
% F$ U0 M% l+ M/ n" i/ N, gfollowing conditions are met:
- {$ N$ B7 W0 Ha) The lead has at least one full wrap around a terminal.
' m9 I, P A9 R& i0 b' a( |b) The lead has at least one right-angle bend when the lead is passed through an eyelet or
" H# n9 m7 L2 [0 W6 c* E1 Mopening.
/ D5 ?# Y0 y* l- D1 R$ A, QException: On a printed-wiring board that is soldered by a machine process in which the
$ Z5 V) `/ Y. r. psoldering time and solder temperature are automatically controlled, bending over of a lead after it
% t( J/ ^ i% Qhas been passed through a hole in the board is not required.
& t& x, y& b+ R f% y2 ic) The lead is twisted with one or more conductors.
& p0 j4 g0 q+ kd) The lead is strapped in place, or the equivalent, adjacent to the soldered connection to hold
* Y1 O$ V6 C, |: S: u4 Y- y+ T$ U! dthe lead end in place.. K! o; J& P( x& ~9 y. s! v, F m
1 r! i: v5 ]& S+ M
欧洲的要求是类似的吗? |
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