合(he)(he)金電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)又稱電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)采(cai)(cai)樣(yang)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)，他的(de)連接方法(fa)是(shi)(shi)在反(fan)(fan)饋環路(lu)中。電(dian)(dian)(dian)(dian)(dian)路(lu)中一般(ban)串聯采(cai)(cai)樣(yang)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)，將電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)信號轉換(huan)成電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)信號進行采(cai)(cai)樣(yang)（R3、R5為(wei)采(cai)(cai)樣(yang)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)）。如果輸出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)過高(gao)(gao)，反(fan)(fan)饋電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)就會降(jiang)低(di)PWM輸出(chu)(chu)，從而降(jiang)低(di)輸出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)。同樣(yang)，如果輸出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)較低(di)，反(fan)(fan)饋電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)將提(ti)高(gao)(gao)輸出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)。采(cai)(cai)樣(yang)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)材(cai)料(liao)：對(dui)于要求不太嚴格的(de)電(dian)(dian)(dian)(dian)(dian)路(lu)，可(ke)以(yi)使用普通電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)，但精度(du)足夠了(le)。有插(cha)件(jian)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)和貼片電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)。對(dui)于插(cha)入式電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器(qi)(qi)來說，現(xian)在大部分都是(shi)(shi)錳(meng)銅材(cai)質(zhi)的(de)，也(ye)(ye)就是(shi)(shi)康銅材(cai)質(zhi)的(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器(qi)(qi)，錳(meng)銅材(cai)質(zhi)的(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器(qi)(qi)用于電(dian)(dian)(dian)(dian)(dian)磁爐中的(de)采(cai)(cai)樣(yang)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)。這種(zhong)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)可(ke)以(yi)承(cheng)受(shou)大電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，并(bing)且(qie)可(ke)以(yi)在低(di)溫(wen)下漂移(yi)。貼片合(he)(he)金電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)阻(zu)(zu)值范圍也(ye)(ye)很廣。惠州(zhou)國巨貼片合(he)(he)金電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)代理

相對(dui)(dui)于(yu)精(jing)(jing)密(mi)(mi)(mi)貼(tie)片合(he)(he)(he)(he)(he)金(jin)(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)，普(pu)通(tong)(tong)(tong)貼(tie)片電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)制作(zuo)(zuo)材(cai)(cai)料主要(yao)為碳(tan)膜(mo)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)素和(he)金(jin)(jin)屬膜(mo)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)素等(deng)。它(ta)們(men)的(de)(de)(de)特點是(shi)制作(zuo)(zuo)成(cheng)(cheng)本較(jiao)(jiao)(jiao)低，適用范(fan)圍廣，但相對(dui)(dui)精(jing)(jing)密(mi)(mi)(mi)合(he)(he)(he)(he)(he)金(jin)(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)精(jing)(jing)度要(yao)差(cha)一(yi)些。普(pu)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)原(yuan)理是(shi)基于(yu)碳(tan)膜(mo)或金(jin)(jin)屬膜(mo)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)材(cai)(cai)料，通(tong)(tong)(tong)過(guo)在導體表面形成(cheng)(cheng)一(yi)定厚度的(de)(de)(de)薄膜(mo)來改變電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)值(zhi)。而(er)(er)精(jing)(jing)密(mi)(mi)(mi)合(he)(he)(he)(he)(he)金(jin)(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)則是(shi)通(tong)(tong)(tong)過(guo)合(he)(he)(he)(he)(he)金(jin)(jin)材(cai)(cai)料的(de)(de)(de)特殊電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)性(xing)質來實現。另外，普(pu)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)特點是(shi)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)值(zhi)隨(sui)溫度的(de)(de)(de)變化較(jiao)(jiao)(jiao)大，而(er)(er)精(jing)(jing)密(mi)(mi)(mi)合(he)(he)(he)(he)(he)金(jin)(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)則具有較(jiao)(jiao)(jiao)小的(de)(de)(de)溫度系數，溫度穩(wen)定性(xing)較(jiao)(jiao)(jiao)好(hao)。精(jing)(jing)密(mi)(mi)(mi)合(he)(he)(he)(he)(he)金(jin)(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)更適合(he)(he)(he)(he)(he)用于(yu)需要(yao)較(jiao)(jiao)(jiao)高精(jing)(jing)度的(de)(de)(de)儀器、測量設備中。總(zong)的(de)(de)(de)來說，精(jing)(jing)密(mi)(mi)(mi)合(he)(he)(he)(he)(he)金(jin)(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)和(he)普(pu)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)在電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)材(cai)(cai)料、電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)原(yuan)理和(he)精(jing)(jing)度等(deng)方(fang)面有所不(bu)同。對(dui)(dui)于(yu)需要(yao)高精(jing)(jing)度、溫度穩(wen)定性(xing)好(hao)的(de)(de)(de)應(ying)(ying)用場合(he)(he)(he)(he)(he)，精(jing)(jing)密(mi)(mi)(mi)合(he)(he)(he)(he)(he)金(jin)(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)是(shi)更好(hao)的(de)(de)(de)選擇。而(er)(er)對(dui)(dui)于(yu)一(yi)般的(de)(de)(de)應(ying)(ying)用，普(pu)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)具有較(jiao)(jiao)(jiao)低的(de)(de)(de)制作(zuo)(zuo)成(cheng)(cheng)本，適用性(xing)更廣光頡貼(tie)片合(he)(he)(he)(he)(he)金(jin)(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)貿易它(ta)可以(yi)保(bao)持(chi)較(jiao)(jiao)(jiao)穩(wen)定的(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)值(zhi)隨(sui)溫度變化。

我們都知道貼片(pian)電(dian)阻(zu)(zu)、貼片(pian)合(he)金電(dian)阻(zu)(zu)的(de)(de)(de)應用(yong)(yong)范圍(wei)很(hen)廣，所以電(dian)阻(zu)(zu)器(qi)也根據不(bu)同(tong)的(de)(de)(de)應用(yong)(yong)領域和(he)(he)要(yao)求分為很(hen)多不(bu)同(tong)的(de)(de)(de)類型。電(dian)阻(zu)(zu)器(qi)可以分為插(cha)(cha)(cha)(cha)(cha)件(jian)(jian)(jian)(jian)電(dian)阻(zu)(zu)和(he)(he)貼片(pian)電(dian)阻(zu)(zu)，當然這是根據外(wai)觀來區(qu)分的(de)(de)(de)，因(yin)為兩者有(you)著(zhu)本質的(de)(de)(de)區(qu)別(bie)，因(yin)而插(cha)(cha)(cha)(cha)(cha)件(jian)(jian)(jian)(jian)電(dian)阻(zu)(zu)和(he)(he)貼片(pian)電(dian)阻(zu)(zu)還是很(hen)好區(qu)分的(de)(de)(de)，貼片(pian)電(dian)阻(zu)(zu)體積小(xiao)，重量輕，容(rong)易(yi)保存(cun)和(he)(he)郵(you)寄，貼片(pian)電(dian)阻(zu)(zu)比插(cha)(cha)(cha)(cha)(cha)件(jian)(jian)(jian)(jian)電(dian)阻(zu)(zu)容(rong)易(yi)焊接和(he)(he)拆卸(xie)，電(dian)阻(zu)(zu)器(qi)的(de)(de)(de)穩定性和(he)(he)可靠性，插(cha)(cha)(cha)(cha)(cha)件(jian)(jian)(jian)(jian)電(dian)阻(zu)(zu)的(de)(de)(de)體積要(yao)大很(hen)多，所用(yong)(yong)的(de)(de)(de)材料(liao)會增加，插(cha)(cha)(cha)(cha)(cha)件(jian)(jian)(jian)(jian)電(dian)阻(zu)(zu)也不(bu)適合(he)大規模的(de)(de)(de)生產和(he)(he)封裝。SMD電(dian)阻(zu)(zu)器(qi)的(de)(de)(de)尺寸相對較(jiao)小(xiao)，可以用(yong)(yong)于一些較(jiao)小(xiao)的(de)(de)(de)產品(pin)。插(cha)(cha)(cha)(cha)(cha)入(ru)式電(dian)阻(zu)(zu)器(qi)元件(jian)(jian)(jian)(jian)較(jiao)大，適合(he)在較(jiao)大的(de)(de)(de)產品(pin)中使用(yong)(yong)。插(cha)(cha)(cha)(cha)(cha)入(ru)式電(dian)阻(zu)(zu)器(qi)比貼片(pian)式電(dian)阻(zu)(zu)器(qi)具有(you)更穩定的(de)(de)(de)性能(neng)，適用(yong)(yong)于一些惡劣環境下的(de)(de)(de)工(gong)作。

貼片(pian)(pian)(pian)合金電(dian)(dian)(dian)阻(zu)(zu)有(you)(you)(you)什么封(feng)(feng)裝(zhuang)(zhuang)，要先說(shuo)貼片(pian)(pian)(pian)電(dian)(dian)(dian)阻(zu)(zu)封(feng)(feng)裝(zhuang)(zhuang)有(you)(you)(you)多(duo)少中目前常用的貼片(pian)(pian)(pian)電(dian)(dian)(dian)阻(zu)(zu)有(you)(you)(you)01005封(feng)(feng)裝(zhuang)(zhuang)、0201封(feng)(feng)裝(zhuang)(zhuang)、0402封(feng)(feng)裝(zhuang)(zhuang)、0603封(feng)(feng)裝(zhuang)(zhuang)、0805封(feng)(feng)裝(zhuang)(zhuang)、1206封(feng)(feng)裝(zhuang)(zhuang)、1210封(feng)(feng)裝(zhuang)(zhuang)、1812封(feng)(feng)裝(zhuang)(zhuang)、2010封(feng)(feng)裝(zhuang)(zhuang)、2512封(feng)(feng)裝(zhuang)(zhuang)等10種(zhong)貼片(pian)(pian)(pian)封(feng)(feng)裝(zhuang)(zhuang)，貼片(pian)(pian)(pian)電(dian)(dian)(dian)阻(zu)(zu)的尺(chi)寸(cun)(cun)(cun)用兩(liang)(liang)種(zhong)不(bu)同的代(dai)號表示。EIA（美國電(dian)(dian)(dian)子工業協會(hui)）代(dai)碼(ma)(ma)是一種(zhong)片(pian)(pian)(pian)式(shi)電(dian)(dian)(dian)阻(zu)(zu)器(qi)規格(ge)(ge)代(dai)碼(ma)(ma)，另一種(zhong)片(pian)(pian)(pian)式(shi)電(dian)(dian)(dian)阻(zu)(zu)器(qi)規格(ge)(ge)代(dai)碼(ma)(ma)的前兩(liang)(liang)位(wei)和后(hou)兩(liang)(liang)位(wei)數字表示電(dian)(dian)(dian)阻(zu)(zu)器(qi)的長度(du)和寬度(du)，單(dan)位(wei)為英寸(cun)(cun)(cun)。例如：0603，我(wo)們通常所說(shuo)的封(feng)(feng)裝(zhuang)(zhuang)是指英制編碼(ma)(ma)。另外，1608是公制代(dai)碼(ma)(ma)，也有(you)(you)(you)4位(wei)數字的表示形式(shi)。單(dan)位(wei)是mm，表示貼片(pian)(pian)(pian)電(dian)(dian)(dian)阻(zu)(zu)。隨著科(ke)技(ji)進步(bu)，更(geng)(geng)小尺(chi)寸(cun)(cun)(cun)的貼片(pian)(pian)(pian)元件已經問世，相信不(bu)久將來(lai)會(hui)有(you)(you)(you)更(geng)(geng)多(duo)產品(pin)應用上。那么合金電(dian)(dian)(dian)阻(zu)(zu)目前常用的有(you)(you)(you)1206封(feng)(feng)裝(zhuang)(zhuang)、1210封(feng)(feng)裝(zhuang)(zhuang)、2512封(feng)(feng)裝(zhuang)(zhuang)

4527封裝常見的有手工焊接(jie)和(he)自動(dong)焊接(jie)。

貼(tie)片(pian)(pian)合(he)(he)(he)金(jin)電(dian)(dian)阻(zu)：高(gao)精度(du)、小尺(chi)寸(cun)(cun)的(de)(de)(de)電(dian)(dian)子(zi)元件貼(tie)片(pian)(pian)合(he)(he)(he)金(jin)電(dian)(dian)阻(zu)是現代電(dian)(dian)子(zi)設(she)備(bei)中(zhong)(zhong)不可(ke)或缺的(de)(de)(de)重要元件之一。它(ta)以(yi)其(qi)高(gao)精度(du)、小尺(chi)寸(cun)(cun)和(he)(he)穩定性而備(bei)受推(tui)崇(chong)，成為(wei)電(dian)(dian)子(zi)行業(ye)中(zhong)(zhong)的(de)(de)(de)明(ming)星產品(pin)。本文將(jiang)為(wei)您(nin)詳細介紹貼(tie)片(pian)(pian)合(he)(he)(he)金(jin)電(dian)(dian)阻(zu)的(de)(de)(de)規格(ge)、特點和(he)(he)應(ying)(ying)用領(ling)域，讓您(nin)對這款電(dian)(dian)子(zi)元件有(you)更深入(ru)的(de)(de)(de)了(le)解。貼(tie)片(pian)(pian)合(he)(he)(he)金(jin)電(dian)(dian)阻(zu)的(de)(de)(de)規格(ge)多(duo)種多(duo)樣，常見(jian)的(de)(de)(de)有(you)0201封(feng)(feng)(feng)裝、0402封(feng)(feng)(feng)裝、060封(feng)(feng)(feng)裝3、0805封(feng)(feng)(feng)裝、1206封(feng)(feng)(feng)裝。其(qi)中(zhong)(zhong)，數字是尺(chi)寸(cun)(cun)的(de)(de)(de)長(chang)寬(kuan)比(bi)例，例如(ru)0201表示長(chang)寬(kuan)比(bi)為(wei)2:1，而0402則(ze)為(wei)4:2。這些尺(chi)寸(cun)(cun)的(de)(de)(de)選擇取決于(yu)電(dian)(dian)路(lu)板(ban)的(de)(de)(de)設(she)計要求和(he)(he)空間限制。此(ci)外，貼(tie)片(pian)(pian)合(he)(he)(he)金(jin)電(dian)(dian)阻(zu)的(de)(de)(de)阻(zu)值(zhi)范圍(wei)也非常多(duo)，從(cong)幾個歐(ou)姆到幾兆(zhao)歐(ou)姆不等(deng)。不同的(de)(de)(de)應(ying)(ying)用場(chang)景需(xu)要不同的(de)(de)(de)阻(zu)值(zhi)范圍(wei)，因(yin)此(ci)供應(ying)(ying)商(shang)通常提(ti)供多(duo)種規格(ge)的(de)(de)(de)貼(tie)片(pian)(pian)合(he)(he)(he)金(jin)電(dian)(dian)阻(zu)以(yi)滿足(zu)客戶的(de)(de)(de)需(xu)求。貼(tie)片(pian)(pian)合(he)(he)(he)金(jin)電(dian)(dian)阻(zu)的(de)(de)(de)可(ke)靠性較高(gao)。中(zhong)(zhong)山貼(tie)片(pian)(pian)合(he)(he)(he)金(jin)電(dian)(dian)阻(zu)批(pi)發價格(ge)

它具(ju)有小巧、高(gao)精度的特點。惠州國(guo)巨(ju)貼片合金電阻代理

貼(tie)(tie)片(pian)(pian)電(dian)(dian)阻(zu)(zu)之貼(tie)(tie)片(pian)(pian)合(he)(he)金(jin)(jin)電(dian)(dian)阻(zu)(zu)在各種電(dian)(dian)子產品中(zhong)經常可(ke)以看(kan)到一(yi)種電(dian)(dian)阻(zu)(zu)。合(he)(he)金(jin)(jin)電(dian)(dian)阻(zu)(zu)不(bu)同(tong)于(yu)普通電(dian)(dian)阻(zu)(zu)。它們使用不(bu)同(tong)的材(cai)(cai)(cai)料(liao)，因此(ci)在性能上存在一(yi)些差(cha)異。合(he)(he)金(jin)(jin)電(dian)(dian)阻(zu)(zu)主(zhu)(zhu)要(yao)用于(yu)檢(jian)測電(dian)(dian)流，因此(ci)也被工程(cheng)師(shi)稱為電(dian)(dian)流檢(jian)測電(dian)(dian)阻(zu)(zu)、采樣電(dian)(dian)阻(zu)(zu)或(huo)電(dian)(dian)流采樣電(dian)(dian)阻(zu)(zu)等(deng)。合(he)(he)金(jin)(jin)電(dian)(dian)阻(zu)(zu)的材(cai)(cai)(cai)料(liao)主(zhu)(zhu)要(yao)是銅(tong)(tong)合(he)(he)金(jin)(jin)。每個制造商(shang)在生產和研發過程(cheng)中(zhong)都有不(bu)同(tong)的材(cai)(cai)(cai)料(liao)比(bi)例(li)。合(he)(he)金(jin)(jin)的主(zhu)(zhu)要(yao)材(cai)(cai)(cai)料(liao)是銅(tong)(tong)。此(ci)外(wai)，其他材(cai)(cai)(cai)料(liao)已成(cheng)為康銅(tong)(tong)、錳銅(tong)(tong)等(deng)輔助材(cai)(cai)(cai)料(liao)。其他輔助材(cai)(cai)(cai)料(liao)很多，但主(zhu)(zhu)要(yao)性能由合(he)(he)金(jin)(jin)材(cai)(cai)(cai)料(liao)本身(shen)決定。主(zhu)(zhu)流合(he)(he)金(jin)(jin)電(dian)(dian)阻(zu)(zu)為貼(tie)(tie)片(pian)(pian)式合(he)(he)金(jin)(jin)電(dian)(dian)阻(zu)(zu)，其主(zhu)(zhu)要(yao)特點是電(dian)(dian)阻(zu)(zu)值(zhi)低(di)、精度(du)高、溫度(du)系數低(di)、抗沖(chong)擊電(dian)(dian)流、功率大(da)等(deng)。惠州國巨貼(tie)(tie)片(pian)(pian)合(he)(he)金(jin)(jin)電(dian)(dian)阻(zu)(zu)代(dai)理

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