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请看标准和图O.5, p* m# ?- l( P7 b7 \
The glow-wire test of IEC 60695-2-11 is not applicable to:
. C+ S9 f0 D; a) u6 P: e3 ?– hand-held appliances;
& _! H1 z# n* d' X* @' _, K– appliances that have to be kept switched on by hand or foot;
$ g! s* u* b( e! w2 h– appliances that are continuously loaded by hand;
e- q- u2 c, {: e6 n– parts supporting welded connections and parts within a distance of 3 mm of these
/ x/ \+ Z! I! t: S0 z+ c9 \' |1 M2 Z9 Wconnections;
7 V5 Z; e) J( t) N& A1 ?– parts supporting connections in low-power circuits described in 19.11.1 and parts within a
- W9 ~& W: z3 E2 D" jdistance of 3 mm of these connections;/ |5 A1 M8 W; f" L( k3 G
– soldered connections on printed circuit boards and parts within a distance of 3 mm of# n* h: n+ e! v! W/ b
these connections;
( f! M' S1 M" v+ G– connections on small components on printed circuit boards, such as diodes, transistors,% {% ^+ g4 I" H: y8 T- B) J
resistors, inductors, integrated circuits and capacitors not directly connected to the supply
7 ~: w( M1 ?& J3 Hmains, and parts within a distance of 3 mm of these connections.2 A9 M1 D4 D0 }2 f
NOTE 6 Some applications of the term "within a distance of 3 mm" are shown in Figures O.5. |
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