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?????????????????????????Rt
???????????????NTC????????????????????????????????????????NTC???????????????????????赲???????Rt????????????NTC????????????????У??????????????????
??????1?????????Rt???????????????????????????????25?????????????????????????Rt????????????????25??????У???????????????
??????2????????????ó????漲????????????Ч??????????䶮???磬MF12-1??NTC???????裬????????1W??????????P1??0.2mW????????????Rt?1k??????????????
??????????R??lk???????????????????Im???????????????????????????500???????R??1k????Im??150uA????141uA??????
??????3????????????????????????????????????????????壬?????????????????????
??????????????????????t
????????????t1????????Rt1??????????????????????????????Rt1??????????Rt2???????????????????????RT???????????t2?????????????????????
????t???Rt2-Rt1??/??Rt1??t2-t1????
??NTC??????????t??0??
???????????
????1??????????????????????20W?????С???????????????????????????????????????????????????????衣
????2?????????t??0????????????????費??NTC????FTC??
????admin ?????????2018-01-05
