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河南快3
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压敏电阻器基础知识(原理图符号_作用_型号及参数_选型技巧)

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  什么是压敏精密电阻器

  YAMINJINGMIDIANZUSHIDIANYAMINGANJINGMIDIANZUQIDEJIANCHENG,SHIYIZHONGFEIXIANXINGJINGMIDIANZUYUANJIAN。YAMINJINGMIDIANZUZUZHIYULIANGDUANSHIJIADEDIANYADAXIAOYOUGUAN,DANGJIADAOYAMINJINGMIDIANZUQISHANGDEDIANYAZAIQIBIAOCHENGZHIYINEISHI,JINGMIDIANZUQIDEZUZHICHENGXIANWUQIONGDAZHUANGTAI,JIHUWUDIANLIUTONGGUO。DANGYAMINJINGMIDIANZUQILIANGDUANDEDIANYALVEDAYUBIAOCHENGDIANYASHI,YAMINJINGMIDIANZUXUNSUJICHUANDAOTONG,QIZUZHIHENKUAIXIAJIANG,SHIJINGMIDIANZUQICHUYUDAOTONGZHUANGTAI。DANGDIANYAJIANXIAOZHIBIAOCHENGDIANYAYIXIASHI,QIZUZHIYOUKAISHIZENGJIA,YAMINJINGMIDIANZUYOUHUIFUWEIGAOZUZHUANGTAI。DANGYAMINJINGMIDIANZUQILIANGDUANDEDIANYACHAOGUOQIZUIDAXIANZHIDIANYASHI,TAJIANGWANQUANJICHUANSUNHUAI,WUFAZIXINGHUIFU。

  YAMINJINGMIDIANZUQIXINGYOUJIALIAN,TIJIXIAO,JUYOUGONGZUODIANYAFANWEIKUAN、DUIGUOYAMAICHONGXIANGYINGKUAI、NAICHONGJIDIANLIUNENGLIQIANG、LOUDIANDIANLIUXIAO(DIYUJIWEIANZHIJISHIWEIAN)、JINGMIDIANZUWENDUXISHUXIAODENGTEDIAN,SHIYIZHONGLIXIANGDEBAOHUYUANJIAN,GUANGFANDIYINGYONGZAIJIADIANJIQITADIANZICHANPINZHONG,CHANGBEIYONGYUGOUCHENGGUOYABAOHUDIANLU、XIAOZAODIANLU、XIAOHUOHUADIANLU、FANGLEIJIBAOHUDIANLU、LANGYONGDIANYAXISHOUDIANLUHEBAOHUBANDAOTIYUANQIJIANZHONG。

压敏精密电阻器基础知识(原理图符号_作用_型号及参数_选型技巧)

  压敏精密电阻器参数介绍

  (1)BIAOCHENGDIANYA。BIAOCHENGDIANYAYOUCHENGYAMINDIANYAHUOJILIUDIANYA,TASHIZHIGUIDINGJIZHUNDIANLIUXIAYAMINJINGMIDIANZUQILIANGDUANDEDIANYAZHI。ZAIDADUOSHUQINGKUANGXIA,YAMINDIANYAZHISHIZAI1mADEZHILIUDIANLIUXIACEDEDE。

  (2)TONGLIU(RONG)LIANG。YAMINJINGMIDIANZUQIYIGUIDINGDESHIJIANJIANGEHECISHU,TONGYIBIAOZHUNDECHONGJIDIANLIUSHI,SUOYUNXUTONGGUODEZUIDAMAICHONG(FENGZHI)DIANLIUZHI。

  (3)LOUDIANLIU。ZHIZAIGUIDINGWENDUHEGUIDINGDIANYA(RU75%DEYAMINDIANYA)XIA,LIUGUOYAMINJINGMIDIANZUQIDEZHILIUDIANLIUZHI。YAMINJINGMIDIANZUQIDELOUDIANLIUYECHENGWEIDENGDAIDIANLIU。(4)ZUIDAXIANZHIDIANYA。YAMINJINGMIDIANZUQILIANGDUANSUONENGCHENGSHOUDEZUIDADIANYAZHI,CHENGWEIZUIDAXIANZHIDIANYA。

  (5)CANYA。LIUGUOYAMINJINGMIDIANZUQIDEDIANLIUWEIMOUYIZHISHI,ZAITALIANGDUANSUOCHANSHENGDEDIANYA,CHENGZUOZHEIYIDIANLIUZHIDECANYA。CANYAYESHIYAMINJINGMIDIANZUQIZAITONGGUOGUIDINGBOXINGDEDADIANLIUCHONGJIBOSHI,ZAIYAMINJINGMIDIANZUQILIANGDUANCHUXIANDEZUIGAOFENGZHIDIANYA。

河南快3  (6)DIANYABI。DANGYAMINJINGMIDIANZUQITONGGUOYIGUIDINGDIANLIU(RU1mA)SHI,QILIANGDUANDEDIANYAZHIYUTONGGUOGUIDINGDIANLIUDE10%(RU0.1mA)SHIQILIANGDUANDIANYAZHIZHIBI,JIWEIDIANYABI。DIANYABIZHIZONGSHIDAYUIDE,QIEDIANYABIYUEJIEJINYU1,FEIXIANXINGDIANYAXISHUZHIYUEDA,BIAOMINGGAICHANPINXINGNENGYUEHAO,QIDIANYAYIDIANLIUTEXINGQUXIANYUEDOUZHI。(7)JINGTAIDIANRONG。TASHIZHIYAMINJINGMIDIANZUQIBENSHENDEGUYOUDIANRONGLIANG。

压敏精密电阻器基础知识(原理图符号_作用_型号及参数_选型技巧)

  压敏精密电阻基本性能

  (1)BAOHUTEXING,DANGCHONGJIYUANDECHONGJIQIANG(HUOCHONGJIDIANLIUIsp=Usp/Zs)BUCHAOGUOGUIDINGZHISHI,YAMINJINGMIDIANZUDEXIANZHIDIANYABUYUNXUCHAOGUOBEIBAOHUDUIXIANGSUONENGCHENGSHOUDECHONGJINAIDIANYA(Urp)。

河南快3  (2)NAICHONGJITEXING,JIYAMINJINGMIDIANZUBENSHENYINGNENGCHENGSHOUGUIDINGDECHONGJIDIANLIU,CHONGJINENGLIANG,YIJIDUOCICHONGJIXIANGJICHUXIANSHIDEPINGJUNGONGLV

  (3)SHOUMINGTEXINGYOULIANGXIANG,YISHILIANXUGONGZUODIANYASHOUMING,JIYAMINJINGMIDIANZUZAIGUIDINGHUANJINGWENDUHEXITONGDIANYATIAOJIANYINGNENGKEKAODIGONGZUOGUIDINGDESHIJIAN(XIAOSHISHU)。ERSHICHONGJISHOUMING,JINENGKEKAODICHENGSHOUGUIDINGDECHONGJIDECISHU。

河南快3  (4)YAMINJINGMIDIANZUJIERUXITONGHOU,CHULEQIDAO“ANQUANFA”DEBAOHUZUOYONGWAI,HAIHUIDAIRUYIXIEFUJIAYINGXIANG,ZHEIJIUSHISUOWEI“ERCIXIAOYING”,TABUYINGJIANGDIXITONGDEZHENGCHANGGONGZUOXINGNENG。ZHEISHIYAOKAOLVDEYINSUZHUYAOYOUSANXIANG,YISHIYAMINJINGMIDIANZUBENSHENDEDIANRONGLIANG(JISHIDAOJIWANPF),ERSHIZAIXITONGDIANYAXIADELOUDIANLIU,SANSHIYAMINJINGMIDIANZUDEFEIXIANXINGDIANLIUTONGGUOYUANZUKANGDEOUHEDUIQITADIANLUDEYINGXIANG。

  压敏精密电阻器原理图符号

  YAMINJINGMIDIANZUQIJIANCHENGVSR,SHIYIZHONGDUIDIANYAMINGANDEFEIXIANXINGGUODIANYABAOHUBANDAOTIYUANJIAN。TAZAIDIANLUZHONGYONGWENZIFUHAO“RV”HUO“R”BIAOSHI,TU1-21SHIQIDIANLUTUXINGFUHAO。YAMINJINGMIDIANZUQIYUPUTONGJINGMIDIANZUQIBUTONG,TASHIGENJUBANDAOTICAILIAODEFEIXIANXINGTEXINGZHICHENGDE。

压敏精密电阻器基础知识(原理图符号_作用_型号及参数_选型技巧)

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