?????UL??????????????????

???????????????????????????????????????????????????????????????????????????? ????
?????
1???????TPT?TS?TST???????UL??????????????????
2?????????????????AWG,????????18AWG?16AWG????AWG?????????
3???????????????
A???????????????????????7??????????????????D
?Mils????????CMA=nd2?CMA?Circular Mil Area)
????????=0.7854*nd2
??n??????????????????????UL1581?200???????????????0.01mm(0.001?????????????????????
B??????UL1581?210??
????????????????UL1581?Table20.1),???????????????????DC??????????????CMA???????????????
1?????????
?????????????????????0.01mm
???1.98*9.5mm???10g??????????????
?????????????10??????10???????????5???????????????
????=?????-?????/2
?5????????????????????
??????????
?????pin-gauge???,????????18AWG???????????????????????????????????pin??????????????????????,dhl?????????????????????????18AWG???????????????
2???????????
???????????????????????????????????????????????????????
????????????0.001mm)??????????????,????????????????????????????????2Mils????????????????????????2Mils,????????,?????????1???????????????1???????????????????????????????????
??
??????
???????????5???????????????????=?????-?????/2
???????5?????????
????????????????????????????????????85g,??????6.4mm?????????
?????????????????????,?????
????????????????????UL62?Table:16.2,16.4,16.6,16.8.
??
????
???10??????????????????????????????????????????????????????????????????????????
????
??????10??????????????????????????????????????????????????????????????,????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
??????????UL62??????????????UL62
???????
??????????????
??
????????
??????????UL62Table51.1????????????10S?60S?????????????????1????????????????????Hi-pot??????????????????????????????????????????????????????????
???????
?????????CXTW??????????????????????????????????????????????
???????
?????
?1??????????????Table900.1,???????????????????????????????????????????????????????????
?2????V??????L?????????????????????Table900.2.???????????????????????????????
?3??????????????????????????
???????????????????????????????????
????????????????????????????????????10AWG????????????????
??????Table900.2
?????????
1???????
????????????100-500V????50FT-5000FT?????????2????????????????????????????????????????????60???????15.6??1000???????????2.5M.
?10 ?-29.4 ??????????15.6 ?????1000?????
R*L*M*TCF
1000
R?????? L???????
M?????? TCF???????
TCF??????UL1581 Table52.1
2??????“w”??????SPT-2W?SJTW?CXTW??
????????????????????????????????????“W”???????????CXTW22AWG??????15.6 ?225M/1000???
?1?????
SPT-2W?SPT-1W?XTW??CXW???UL62Table35.1
SJTW???????UL62Table32.1
??????????15.6 ????????????????50 ????????????????
?2?TCF???
?????????C???UL62Table33.1??????M?????????????????
??????????SVT?SJTW?????????????????????????????????????????????
????C??????UL62?34??
????????????????????5???????????????????????15.6 ?????????16.1 ?????????????C??
??????????????
1??????????????
??????UL1581?50???????????????????????500+25mm/min.
2?????????????
UL62?????????????????Table5.2(?????Table7.2??????
?????????????????UL1581 Table50?????SPT-2?105 ???????????SPT-2?Integral PVC??????UL62Table15.1?UL1581 Table50182?105 ????CLASS?2.11,???????????100%?????1500ibf/m2?136 ??7????????????65%??????????85%??????PVC???SR-PVC????UL1581Table47.1,?????Table50183????????????100%?????3000ibf/m2,?????????70%?70%?
3????????
??????????
?1????????????????????
?2???????????????????????????????
?????????????????????????????????????????????4mm?6mm??????ASTM dieD? ASTM dieC?????????????
?3??????1????????????????????????????????????????????????1/2???
4???
?1??????????????A??
A=00.7854(D2-d2)
D:?????d?????
?2??????????????A?
W
163.87G
W?10???????????? G??????
A???????????? ???????????
???A=??????*??
?3???G???
10?????????????????????????????????????????????????
??W1??????????
W3??????0.127mm????????
W1
W1- W2+ W3
?4????? S=P/A
P????????

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