|
根据UL 60065中的条款,注意红色部分:! B1 k( M. _* [$ I7 h# d
20.1 DU Electrical components and mechanical parts. g3 z: Q8 ?: u- y' l. o
# Q: n" v3 r) A7 C t7 `1 }) o
Electrical components and mechanical parts with the exception of those in b), shall comply with
) t, [' g8 H7 Z7 N8 ~the requirements of 20.1.1, 20.1.2, 20.1.3 and 20.1.4.
( n; l4 p5 `- I3 C4 |
) C$ @; o3 e7 G# A4 I4 Qb) The following parts which would contribute negligible fuel to a fire:
) j9 D% R/ V/ _3 g% j0 h; E– small mechanical parts, such as mounting parts, gears, cams, belts and bearings, if& e5 y6 Y( o1 l2 }/ \4 n
the mass of the non-metallic material of each part does not exceed 4 g, excluding
$ J) K! x2 s# D9 [$ `7 w2 W e4 kmetal, glass and ceramic;+ Z& H1 P- a0 P4 Y0 V, x' O# D
– parts such as projection TV lenses, loudspeaker parts, external accessories, and3 K+ ^5 t5 H" g* A* W9 G
fibrous materials less than 0.25 mm thick;
. q7 z! g+ z9 ~3 K: n– small electrical components such as:
) @5 |- c3 N+ ?• integrated circuits, transistors, optocoupler packages;- R" R$ Z6 _$ M/ K- s. d3 w: ^( [
• capacitors with a volume not exceeding 1 750 mm3,( H, ?+ J7 n" T2 b- `
provided these components are mounted on material of flammability category V-1 or
" c& C% D2 u$ h+ O9 r) r. ?better according to UL 94.
; z" [6 Z; C* X( e9 ^ Z
- N1 t% I* p/ ?/ o9 S( G! o6 b我觉得你说的纸筒,这部分应该没有问题的。你可以再仔细看一下标准中这部分的。1 ~: W4 _" l) ^8 M: J
, G) A, k! _8 F* N. X, v+ d不过你的变压器理论上输出是大于15W,你可以自己计算一下的。
+ S+ ~+ I: j0 R5 u$ @+ Q& Q. i. _5 B. H3 P5 G
|
|