合金电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)又称电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)采样(yang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)，他(ta)的(de)(de)连接方法是(shi)在反馈环路(lu)中。电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)中一般串联采样(yang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)，将(jiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)信号(hao)转换成(cheng)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)信号(hao)进行采样(yang)（R3、R5为采样(yang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)）。如果(guo)输(shu)出电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)过高，反馈电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)就(jiu)会降低PWM输(shu)出，从而降低输(shu)出电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)。同样(yang)，如果(guo)输(shu)出电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)较低，反馈电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)将(jiang)提(ti)高输(shu)出电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)。采样(yang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)材料：对于(yu)要求不太严格的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，可(ke)以使用(yong)普通(tong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)，但精度足够了。有插(cha)件电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)和(he)贴片(pian)(pian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)。对于(yu)插(cha)入(ru)式电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)来(lai)说，现在大(da)部分都是(shi)锰(meng)铜材质(zhi)的(de)(de)，也(ye)就(jiu)是(shi)康铜材质(zhi)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)，锰(meng)铜材质(zhi)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)用(yong)于(yu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)炉中的(de)(de)采样(yang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)。这种电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)可(ke)以承受大(da)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)，并且可(ke)以在低温下漂移。贴片(pian)(pian)合金电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)值范围也(ye)很广。惠州国巨贴片(pian)(pian)合金电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)代理

相对于(yu)精(jing)密(mi)(mi)(mi)贴片合(he)(he)(he)金(jin)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)，普(pu)通(tong)(tong)贴片电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)制作(zuo)材(cai)料(liao)主要(yao)为碳膜电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)素和(he)金(jin)属膜电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)素等。它(ta)们(men)的(de)(de)特(te)(te)点(dian)是(shi)(shi)(shi)制作(zuo)成本较低，适用(yong)范围(wei)广，但相对精(jing)密(mi)(mi)(mi)合(he)(he)(he)金(jin)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)精(jing)度(du)(du)(du)(du)(du)(du)要(yao)差(cha)一些。普(pu)通(tong)(tong)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)原理是(shi)(shi)(shi)基于(yu)碳膜或金(jin)属膜的(de)(de)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)材(cai)料(liao)，通(tong)(tong)过(guo)在导体表面形成一定厚(hou)度(du)(du)(du)(du)(du)(du)的(de)(de)薄膜来(lai)(lai)改变(bian)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)值。而(er)精(jing)密(mi)(mi)(mi)合(he)(he)(he)金(jin)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)则是(shi)(shi)(shi)通(tong)(tong)过(guo)合(he)(he)(he)金(jin)材(cai)料(liao)的(de)(de)特(te)(te)殊电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)性质来(lai)(lai)实现(xian)。另外，普(pu)通(tong)(tong)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)特(te)(te)点(dian)是(shi)(shi)(shi)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)值随(sui)温(wen)度(du)(du)(du)(du)(du)(du)的(de)(de)变(bian)化较大，而(er)精(jing)密(mi)(mi)(mi)合(he)(he)(he)金(jin)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)则具有(you)较小的(de)(de)温(wen)度(du)(du)(du)(du)(du)(du)系(xi)数，温(wen)度(du)(du)(du)(du)(du)(du)稳定性较好。精(jing)密(mi)(mi)(mi)合(he)(he)(he)金(jin)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)更(geng)(geng)适合(he)(he)(he)用(yong)于(yu)需(xu)要(yao)较高精(jing)度(du)(du)(du)(du)(du)(du)的(de)(de)仪器(qi)、测量设备中。总(zong)的(de)(de)来(lai)(lai)说，精(jing)密(mi)(mi)(mi)合(he)(he)(he)金(jin)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)和(he)普(pu)通(tong)(tong)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)在电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)材(cai)料(liao)、电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)原理和(he)精(jing)度(du)(du)(du)(du)(du)(du)等方面有(you)所(suo)不同。对于(yu)需(xu)要(yao)高精(jing)度(du)(du)(du)(du)(du)(du)、温(wen)度(du)(du)(du)(du)(du)(du)稳定性好的(de)(de)应用(yong)场合(he)(he)(he)，精(jing)密(mi)(mi)(mi)合(he)(he)(he)金(jin)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)是(shi)(shi)(shi)更(geng)(geng)好的(de)(de)选择。而(er)对于(yu)一般(ban)的(de)(de)应用(yong)，普(pu)通(tong)(tong)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)具有(you)较低的(de)(de)制作(zuo)成本，适用(yong)性更(geng)(geng)广光颉(jie)贴片合(he)(he)(he)金(jin)电(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)贸(mao)易它(ta)可以保持(chi)较稳定的(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)值随(sui)温(wen)度(du)(du)(du)(du)(du)(du)变(bian)化。

我们都知道贴(tie)(tie)片(pian)(pian)电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)、贴(tie)(tie)片(pian)(pian)合(he)金电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)的(de)(de)(de)(de)应用(yong)范围很广，所以电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)也根据不(bu)同(tong)的(de)(de)(de)(de)应用(yong)领(ling)域和要求(qiu)分(fen)为很多不(bu)同(tong)的(de)(de)(de)(de)类(lei)型。电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)可以分(fen)为插(cha)件电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)和贴(tie)(tie)片(pian)(pian)电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)，当然这是根据外观来区分(fen)的(de)(de)(de)(de)，因为两者有(you)(you)着本(ben)质的(de)(de)(de)(de)区别，因而插(cha)件电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)和贴(tie)(tie)片(pian)(pian)电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)还是很好区分(fen)的(de)(de)(de)(de)，贴(tie)(tie)片(pian)(pian)电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)体(ti)积(ji)小(xiao)，重量轻，容易(yi)保存和邮寄(ji)，贴(tie)(tie)片(pian)(pian)电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)比(bi)插(cha)件电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)容易(yi)焊接(jie)和拆卸，电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)的(de)(de)(de)(de)稳定(ding)性和可靠(kao)性，插(cha)件电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)的(de)(de)(de)(de)体(ti)积(ji)要大(da)很多，所用(yong)的(de)(de)(de)(de)材料会增(zeng)加，插(cha)件电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)也不(bu)适合(he)大(da)规模的(de)(de)(de)(de)生产(chan)和封装。SMD电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)的(de)(de)(de)(de)尺寸相(xiang)对较(jiao)小(xiao)，可以用(yong)于(yu)(yu)一些(xie)较(jiao)小(xiao)的(de)(de)(de)(de)产(chan)品。插(cha)入(ru)式(shi)(shi)电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)元(yuan)件较(jiao)大(da)，适合(he)在较(jiao)大(da)的(de)(de)(de)(de)产(chan)品中使用(yong)。插(cha)入(ru)式(shi)(shi)电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)比(bi)贴(tie)(tie)片(pian)(pian)式(shi)(shi)电(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)具有(you)(you)更稳定(ding)的(de)(de)(de)(de)性能(neng)，适用(yong)于(yu)(yu)一些(xie)恶劣环境下(xia)的(de)(de)(de)(de)工作。

贴(tie)片(pian)(pian)(pian)合金电(dian)(dian)(dian)(dian)阻(zu)有(you)(you)什么封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)，要(yao)先说(shuo)贴(tie)片(pian)(pian)(pian)电(dian)(dian)(dian)(dian)阻(zu)封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)有(you)(you)多(duo)少中目前(qian)(qian)(qian)常(chang)用的(de)贴(tie)片(pian)(pian)(pian)电(dian)(dian)(dian)(dian)阻(zu)有(you)(you)01005封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、0201封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、0402封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、0603封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、0805封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、1206封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、1210封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、1812封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、2010封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、2512封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)等10种(zhong)(zhong)贴(tie)片(pian)(pian)(pian)封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)，贴(tie)片(pian)(pian)(pian)电(dian)(dian)(dian)(dian)阻(zu)的(de)尺寸用两种(zhong)(zhong)不(bu)同的(de)代(dai)(dai)号表示(shi)(shi)。EIA（美国电(dian)(dian)(dian)(dian)子工业(ye)协会）代(dai)(dai)码是一种(zhong)(zhong)片(pian)(pian)(pian)式(shi)电(dian)(dian)(dian)(dian)阻(zu)器(qi)规格代(dai)(dai)码，另一种(zhong)(zhong)片(pian)(pian)(pian)式(shi)电(dian)(dian)(dian)(dian)阻(zu)器(qi)规格代(dai)(dai)码的(de)前(qian)(qian)(qian)两位(wei)和后两位(wei)数字表示(shi)(shi)电(dian)(dian)(dian)(dian)阻(zu)器(qi)的(de)长度和宽度，单(dan)(dan)位(wei)为英寸。例如：0603，我们通(tong)常(chang)所说(shuo)的(de)封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)是指英制(zhi)编码。另外，1608是公制(zhi)代(dai)(dai)码，也有(you)(you)4位(wei)数字的(de)表示(shi)(shi)形式(shi)。单(dan)(dan)位(wei)是mm，表示(shi)(shi)贴(tie)片(pian)(pian)(pian)电(dian)(dian)(dian)(dian)阻(zu)。随着科技进(jin)步，更小尺寸的(de)贴(tie)片(pian)(pian)(pian)元(yuan)件已经问世，相信不(bu)久将来会有(you)(you)更多(duo)产品应用上。那(nei)么合金电(dian)(dian)(dian)(dian)阻(zu)目前(qian)(qian)(qian)常(chang)用的(de)有(you)(you)1206封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、1210封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)、2512封(feng)(feng)(feng)(feng)(feng)装(zhuang)(zhuang)(zhuang)(zhuang)

4527封装常见的有手工焊接和自动焊接。

贴(tie)片合(he)(he)(he)金(jin)(jin)(jin)电(dian)(dian)(dian)阻(zu)：高(gao)精度、小尺(chi)寸的(de)电(dian)(dian)(dian)子(zi)元件(jian)(jian)贴(tie)片合(he)(he)(he)金(jin)(jin)(jin)电(dian)(dian)(dian)阻(zu)是现(xian)代电(dian)(dian)(dian)子(zi)设(she)备(bei)中(zhong)不(bu)(bu)可(ke)或缺的(de)重(zhong)要元件(jian)(jian)之(zhi)一。它以其高(gao)精度、小尺(chi)寸和稳定性(xing)而备(bei)受推(tui)崇，成为(wei)电(dian)(dian)(dian)子(zi)行业中(zhong)的(de)明星产品。本文将为(wei)您详细介绍(shao)贴(tie)片合(he)(he)(he)金(jin)(jin)(jin)电(dian)(dian)(dian)阻(zu)的(de)规(gui)格(ge)、特点和应(ying)(ying)用(yong)领(ling)域，让您对这(zhei)款电(dian)(dian)(dian)子(zi)元件(jian)(jian)有(you)更深入的(de)了解(jie)。贴(tie)片合(he)(he)(he)金(jin)(jin)(jin)电(dian)(dian)(dian)阻(zu)的(de)规(gui)格(ge)多(duo)种(zhong)多(duo)样(yang)，常(chang)(chang)见的(de)有(you)0201封(feng)(feng)装(zhuang)(zhuang)、0402封(feng)(feng)装(zhuang)(zhuang)、060封(feng)(feng)装(zhuang)(zhuang)3、0805封(feng)(feng)装(zhuang)(zhuang)、1206封(feng)(feng)装(zhuang)(zhuang)。其中(zhong)，数(shu)字(zi)是尺(chi)寸的(de)长宽比(bi)例，例如0201表示长宽比(bi)为(wei)2:1，而0402则为(wei)4:2。这(zhei)些(xie)尺(chi)寸的(de)选择取(qu)决于电(dian)(dian)(dian)路(lu)板的(de)设(she)计要求和空间限制(zhi)。此外，贴(tie)片合(he)(he)(he)金(jin)(jin)(jin)电(dian)(dian)(dian)阻(zu)的(de)阻(zu)值范围也非(fei)常(chang)(chang)多(duo)，从几个欧姆到(dao)几兆欧姆不(bu)(bu)等。不(bu)(bu)同的(de)应(ying)(ying)用(yong)场景需要不(bu)(bu)同的(de)阻(zu)值范围，因此供(gong)应(ying)(ying)商通(tong)常(chang)(chang)提供(gong)多(duo)种(zhong)规(gui)格(ge)的(de)贴(tie)片合(he)(he)(he)金(jin)(jin)(jin)电(dian)(dian)(dian)阻(zu)以满足(zu)客(ke)户的(de)需求。贴(tie)片合(he)(he)(he)金(jin)(jin)(jin)电(dian)(dian)(dian)阻(zu)的(de)可(ke)靠性(xing)较高(gao)。中(zhong)山贴(tie)片合(he)(he)(he)金(jin)(jin)(jin)电(dian)(dian)(dian)阻(zu)批(pi)发价(jia)格(ge)

它具有小巧、高精度的特点。惠(hui)州国(guo)巨贴片合金电阻代理

贴(tie)片(pian)电(dian)(dian)阻(zu)(zu)之贴(tie)片(pian)合(he)(he)金(jin)(jin)(jin)电(dian)(dian)阻(zu)(zu)在(zai)各种(zhong)电(dian)(dian)子产(chan)品中经常可以看到一(yi)种(zhong)电(dian)(dian)阻(zu)(zu)。合(he)(he)金(jin)(jin)(jin)电(dian)(dian)阻(zu)(zu)不同于普通电(dian)(dian)阻(zu)(zu)。它们使(shi)用(yong)(yong)不同的(de)材(cai)(cai)(cai)料(liao)(liao)，因(yin)此(ci)在(zai)性能(neng)上(shang)存在(zai)一(yi)些差异。合(he)(he)金(jin)(jin)(jin)电(dian)(dian)阻(zu)(zu)主(zhu)要(yao)用(yong)(yong)于检测电(dian)(dian)流，因(yin)此(ci)也(ye)被(bei)工(gong)程师(shi)称(cheng)为电(dian)(dian)流检测电(dian)(dian)阻(zu)(zu)、采样电(dian)(dian)阻(zu)(zu)或电(dian)(dian)流采样电(dian)(dian)阻(zu)(zu)等。合(he)(he)金(jin)(jin)(jin)电(dian)(dian)阻(zu)(zu)的(de)材(cai)(cai)(cai)料(liao)(liao)主(zhu)要(yao)是铜(tong)合(he)(he)金(jin)(jin)(jin)。每个制(zhi)造商(shang)在(zai)生产(chan)和研发过程中都(dou)有不同的(de)材(cai)(cai)(cai)料(liao)(liao)比例(li)。合(he)(he)金(jin)(jin)(jin)的(de)主(zhu)要(yao)材(cai)(cai)(cai)料(liao)(liao)是铜(tong)。此(ci)外，其他材(cai)(cai)(cai)料(liao)(liao)已(yi)成为康铜(tong)、锰铜(tong)等辅(fu)助材(cai)(cai)(cai)料(liao)(liao)。其他辅(fu)助材(cai)(cai)(cai)料(liao)(liao)很(hen)多，但(dan)主(zhu)要(yao)性能(neng)由(you)合(he)(he)金(jin)(jin)(jin)材(cai)(cai)(cai)料(liao)(liao)本身(shen)决定。主(zhu)流合(he)(he)金(jin)(jin)(jin)电(dian)(dian)阻(zu)(zu)为贴(tie)片(pian)式合(he)(he)金(jin)(jin)(jin)电(dian)(dian)阻(zu)(zu)，其主(zhu)要(yao)特点是电(dian)(dian)阻(zu)(zu)值低(di)、精度高、温度系数(shu)低(di)、抗(kang)冲击电(dian)(dian)流、功率大等。惠州国巨贴(tie)片(pian)合(he)(he)金(jin)(jin)(jin)电(dian)(dian)阻(zu)(zu)代理

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