精(jing)(jing)密貼片(pian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)是(shi)(shi)什么？精(jing)(jing)密貼片(pian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)是(shi)(shi)說貼片(pian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)誤(wu)(wu)差(cha)比(bi)較小(xiao)(xiao)一般叫做誤(wu)(wu)差(cha)1%貼片(pian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)，最(zui)小(xiao)(xiao)誤(wu)(wu)差(cha)（精(jing)(jing)度）可達到0.01%溫度系數(shu)(shu)(shu)低(di)至±5ppm/℃，是(shi)(shi)業界極少能做到的(de)(de)：其可應用(yong)(yong)(yong)于精(jing)(jing)密儀(yi)表(biao)(biao)、通(tong)訊用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)產品及可攜式電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)產品。 那(nei)(nei)么很多人會問，貼片(pian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)那(nei)(nei)么小(xiao)(xiao)如(ru)果(guo)不測試5%和1%能區(qu)別(bie)出來(lai)嗎？ 問的(de)(de)好，那(nei)(nei)么下(xia)面(mian)(mian)我們就對照(zhao)下(xia)5%與(yu)1%貼片(pian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)區(qu)別(bie)在(zai)哪里。 5%系列(lie)貼片(pian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)用(yong)(yong)(yong)3位數(shu)(shu)(shu)字(zi)(zi)(zi)表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)：這種(zhong)(zhong)表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)方法(fa)前兩位數(shu)(shu)(shu)字(zi)(zi)(zi)代(dai)表(biao)(biao)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)的(de)(de)有(you)(you)效(xiao)數(shu)(shu)(shu)字(zi)(zi)(zi),第3位數(shu)(shu)(shu)字(zi)(zi)(zi)表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)在(zai)有(you)(you)效(xiao)數(shu)(shu)(shu)字(zi)(zi)(zi)后(hou)面(mian)(mian)應添加”0”的(de)(de)個(ge)數(shu)(shu)(shu).當電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)小(xiao)(xiao)于10Ω時(shi)(shi),在(zai)代(dai)碼(ma)中(zhong)用(yong)(yong)(yong)R表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)小(xiao)(xiao)數(shu)(shu)(shu)點的(de)(de)位置(zhi),這種(zhong)(zhong)表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)法(fa)通(tong)常用(yong)(yong)(yong)有(you)(you)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)誤(wu)(wu)差(cha)為5%電(dian)(dian)(dian)(ౠdian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)系列(lie)中(zhong).比(bi)如(ru):330表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)33Ω,而(er)(er)不是(shi)(shi)330Ω;221表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)220Ω;683表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)68000Ω即68kΩ;105表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)1MΩ;6R2表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)6.2Ω. 1%系列(lie)精(jing)(jing)密貼片(pian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)用(yong)(yong)(yong)4位數(shu)(shu)(shu)字(zi)(zi)(zi)表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)：這種(zhong)(zhong)表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)法(fa)前3位數(shu)(shu)(shu)字(zi)(zi)(zi)代(dai)表(biao)(biao)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)的(de)(de)有(you)(you)效(xiao)數(shu)(shu)(shu)字(zi)(zi)(zi),第4位表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)在(zai)有(you)(you)效(xiao)數(shu)(shu)(shu)字(zi)(zi)(zi)后(hou)面(mian)(mian)應添加0的(de)(de)個(ge)數(shu)(shu)(shu)。當電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)小(xiao)(xiao)于10Ω時(shi)(shi),代(dai)碼(ma)中(zhong)仍用(yong)(yong)(yong)R表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)小(xiao)(xiao)數(shu)(shu)(shu)點的(de)(de)位置(zhi),這種(zhong)(zhong)表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)方法(fa)通(tong)用(yong)(yong)(yong)用(yong)(yong)(yong)有(you)(you)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)誤(wu)(wu)差(cha)為1%精(jing)(jing)密電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)系列(lie)中(zhong).比(bi)如(ru):0100表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)10Ω而(er)(er)不是(shi)(shi)100Ω;1000表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)100Ω而(er)(er)不是(shi)(shi)1000Ω;4992表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)49900Ω,即49.9kΩ;1473表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)147000Ω即147kΩ;0R56表(biao)(biao)示(shi)(shi)(shi)(shi)(shi)0.56Ω。 貼片(pian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)表(biao)(biao)面(mian)(mian)上都(dou)是(shi)🅘(shi)有(you)(you)刻字(zi)(zi)(zi)母的(de)(de)，如(ru)果(guo)只有(you)(you)三位數(shu)(shu)(shu)字(zi)(zi)(zi)那(nei)(nei)么就是(shi)(shi)誤(wu)(wu)差(cha)5%的(de)(de)，如(ru)果(guo)有(you)(you)4位數(shu)(shu)(shu)字(zi)(zi)(zi)那(nei)(nei)么就是(shi)(shi)誤(wu)(wu)差(cha)1%的(de)(de)。