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NTC热敏电阻识别检测

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NTC热敏电阻识别检测

极速六合日期:2018-03-09 极速六合:梁辉 极速六合:

NTC热敏电阻器的价格低廉,在电子产品中被广泛应用,而且具有多种封装形式,能够很方便地应用到各种电路中。

NTCREMINDIANZUQIGENJUCAILIAO、GONGYIBUTONGQINGKUANG,YOUBUTONGDEZUZHIHEWENDUBIANHUATEXING。NTCREXIANDIANZUQIDEXINGHAO、GUIGEHENDUO,GUOWAIDEZHIMINGCHANGJIAYOURIBENSANLING、RIBENTDK、RIBENLISHAN、HANGUODEEXPANDDENG,GUONEIYEYOUBUSHAOPINPAIDEZHILIANGYEXIANGDANGBUCUO。

NTCREXIANDIANZUQIDEGELEIFANDUO,XINGZHUANGGEYI。FUWENDUXISHUREMINDIANZUQIDEMINGMINGBIAOZHUNYOUSIBUFENGOUCHENG。QIZHONG,MBIAOSHIMINGANZUJIAN,FBIAOSHIFUWENDUXISHUREMINDIANZUQI。YOUXIECHANGJIADECHANPIN,ZAIXUHAOZHIHOUYOUJIALEYIGESHUZI,RUMF54-1,ZHEIGE"-1"YESHUYUXUHAO,TONGCHANGJIAO"PAISHENGXUHAO"。QIBIAOZHUNYOUGECHANGJIAZIYIDINGZHI。

MF11 thermistor.jpg

在国内生产的一些热敏电阻器的型号中,通常还包括有该热敏电阻器的电阻值、误差等信息,如下是NTC热敏电阻器的识别:

①CWF ②□ - ③103 ④J ⑤3380 BAOKUORUXIAXINXI。

①NTCWENDUCHUANGANQI;

②CHUANGANTOUFENGZHUANGXINGSHIJICHICUN;

a.DAIBIAOHUANYANGSHUZHIBAOZHUANG;

b.DAIBIAOLVQIAO、TONGQIAO、BUXIUGANGDENGFENGZHUANG

c.DAIBIAOSULIAOQIAOFENGZHUANG;

d.DAIBIAOJIAGUDINGJINSHUPIAN;

e.DAIBIAOTESHUXINGSHIFENGBI。

③BIAOCHENGDIANZUZHIR25,RU103=10×10 =10000Ω=10kΩ。

④BIAOCHENGDIANZUZHIJINGDUDAIHAO:

FDAIBIAO±1%,GDAIBIAO±2%,HDAIBIAO±3%,JDAIBIAO±5%。

⑤BZHI(25℃/50℃,3380JIBZHIWEI3380K)。

应用热敏电阻器时,必须对它的几个比较重要的参数进行测试。一般来说,热敏电阻器对温度的敏感性高,所以不宜用表来测量它的阻值。这是因为万用表的工作电流比较大,流过热敏电阻器时会发热而使阻值改变。但用万用表也可简易判断热敏电阻器能否工作,具体热敏电阻器的检测方法如下:

JIANGWANYONGBIAOBODAOOUMUDANG(SHIBIAOCHENGDIANZUZHIQUEDINGDANGWEI),YONGEYUJIADAITIBIAOBIFENBIEJIAZHUREMINDIANZUQIDELIANGGEYINJIAO,JIXIACISHIDEZUZHI;RANHOUYONGSHOUNIEZHUREMINDIANZUQI,GUANCHAWANYONGBIAOSHISHU,CISHIHUIKANDAOXIANSHIDESHUJU(ZHIZHENHUIMANMANYIDONG)SUIZHEWENDUDESHENGGAOERGAIBIAN,ZHEIBIAOMINGDIANZUZHIZAIZHUJIANGAIBIAN(FUWENDUXISHUREMINDIANZUQIZUZHIHUIBIANXIAO,ZHENGWENDUXISHUREMINDIANZUQIZUZHIHUIBIANDA)。DANGZUZHIGAIBIANDAOYIDINGSHUZHISHI,XIANSHISHUJUHUI(ZHIZHEN)ZHUJIANWENDING。RUOHUANJINGWENDUJIEJINTIWEN,ZECAIYONGZHEIZHONGFANGFAJIUBULING。ZHEISHIKEYONGDIANLUOTIEHUOZHEKAISHUIBEIKAOJINHUOJINTIEREMINDIANZUQIJINXINGJIARE,TONGYANGHUIKANDAOZUZHIGAIBIAN。ZHEIYANG,ZEKEZHENGMINGZHEIZHIWENDUXISHUREMINDIANZUQISHIHAODE。

YONGWANYONGBIAOJIANCEFUWENDUXISHUREMINDIANZUQISHI,XUYAOZHUYIREMINDIANZUQISHANGDEBIAOCHENGZUZHIYUWANYONGBIAODEDUSHUBUYIDINGXIANGDENG。ZHEISHIYOUYUBIAOCHENGZUZHISHIYONGZHUANYONGYIQIZAI25℃DETIAOJIANXIACEDEDE,ERYONGWANYONGBIAOCELIANGSHIYOUYIDINGDEDIANLIUTONGGUOREMINDIANZUQIERCHANSHENGRELIANG,ERQIEHUANJINGWENDUBUYIDINGZHENGSHI25℃,SUOYIBUKEBIMIANDIHUICHANSHENGWUCHA。


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