Samjxh 发表于 2013-10-29 11:39

Ivy.chen 发表于 2013-10-29 09:11 static/image/common/back.gif
你可以看回UL1993 5.3.2， 灌封胶只做散热作用，没有做绝缘作用，所以只需要RTI值即可，TABLE 5.2指的是做 ...

谢谢你，

:handshake

520168 发表于 2013-10-29 12:00

UL1993 5.3.7 A polymeric material used for direct support as electrical insulation shall be able to withstand the
hot wire ignition (HWI), the comparative tracking index test (CTI), and the high current arc ignition (HAI)
to a level of at least the values in accordance with Table 5.2.

Samjxh 发表于 2013-10-29 14:02

520168 发表于 2013-10-29 12:00 static/image/common/back.gif
UL1993 5.3.7 A polymeric material used for direct support as electrical insulation shall be able to...

谢谢您的补充
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