貼(tie)片(pian)(pian)(pian)電(dian)(dian)阻(zu)(zu)標示(shi)方(fang)(fang)法(fa)隨著(zhu)這(zhe)些(xie)年來集(ji)成電(dian)(dian)路的(de)(de)(de)發展，片(pian)(pian)(pian)式電(dian)(dian)阻(zu)(zu)器在電(dian)(dian)路板上(shang)(shang)越(yue)(yue)來越(yue)(yue)受(shou)歡(huan)迎。貼(tie)片(pian)(pian)(pian)電(dian)(dian)阻(zu)(zu)阻(zu)(zu)值(zhi)(zhi)的(de)(de)(de)識別比(bi)色(se)環簡單得多。它通過數(shu)字方(fang)(fang)式將電(dian)(dian)阻(zu)(zu)器的(de)(de)(de)阻(zu)(zu)值(zhi)(zhi)打印在其上(shang)(shang)。用數(shu)字法(fa)表示(shi)貼(tie)片(pian)(pian)(pian)電(dian)(dian)阻(zu)(zu)大小的(de)(de)(de)方(fang)(fang)法(fa)有3種(zhong)(zhong)。第一種(zhong)(zhong)是(shi)(shi)(shi)直接標注(zhu)數(shu)字，一般是(shi)(shi)(shi)三(san)(san)、四位數(shu)字。例(li)如(ru)(ru)，微(wei)貼(tie)片(pian)(pian)(pian)電(dian)(dian)阻(zu)(zu)上(shang)(shang)標注(zhu)“473”字樣(yang)，前兩個(ge)“47”為有效(xiao)數(shu)字，后(hou)面一個(ge)“3”表示(shi)小數(shu)點后(hou)零(ling)的(de)(de)(de)個(ge)數(shu)，也(ye)就(jiu)是(shi)(shi)(shi)說，有后(hou)面三(san)(san)個(ge)零(ling)，所以電(dian)(dian)阻(zu)(zu)值(zhi)(zhi)為47000歐(ou)姆，即(ji)47KΩ。第二種(zhong)(zhong)標記(ji)方(fang)(fang)法(fa)是(shi)(shi)(shi)數(shu)字加(jia)字母加(jia)數(shu)字，如(ru)(ru)5R6，電(dian)(dian)阻(zu)(zu)值(zhi)(zhi)整數(shu)為5，電(dian)(dian)阻(zu)(zu)值(zhi)(zhi)小數(shu)值(zhi)(zhi)為6，合(he)(he)起來就(jiu)是(shi)(shi)(shi)5.6歐(ou)姆；第三(san)(san)種(zhong)(zhong)標記(ji)方(fang)(fang)法(fa)是(shi)(shi)(shi)數(shu)字代碼(ma)加(jia)字母，例(li)如(ru)(ru)微(wei)型貼(tie)片(pian)(pian)(pian)電(dian)(dian)阻(zu)(zu)上(shang)(shang)標記(ji)“10C”，它標識的(de)(de)(de)不是(shi)(shi)(shi)10歐(ou)姆，而是(shi)(shi)(shi)12.4K歐(ou)姆，因為這(zhe)個(ge)“10”標識貼(tie)片(pian)(pian)(pian)電(dian)(dian)阻(zu)(zu)阻(zu)(zu)值(zhi)(zhi)的(de)(de)(de)代碼(ma)，這(zhe)意味著(zhu)有效(xiao)值(zhi)(zhi)為1.24歐(ou)姆；這(zhe)個(ge)“C”標識被乘數(shu)。所以加(jia)起來就(jiu)是(shi)(shi)(shi)124X10^4=12400Ω。是(shi)(shi)(shi)一種(zhong)(zhong)經濟實惠(hui)的(de)(de)(de)元件。肇慶貼(tie)片(pian)(pian)(pian)合(he)(he)金電(dian)(dian)阻(zu)(zu)哪家好

貼(tie)片合(he)金(jin)(jin)電(dian)(dian)(dian)(dian)阻(zu)(zu)和電(dian)(dian)(dian)(dian)流(liu)采(cai)樣(yang)(yang)電(dian)(dian)(dian)(dian)阻(zu)(zu)一(yi)般(ban)用(yong)(yong)于電(dian)(dian)(dian)(dian)池充(chong)放(fang)電(dian)(dian)(dian)(dian)管(guan)理(li)、電(dian)(dian)(dian)(dian)池管(guan)理(li)保護、電(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)量(liang)計(ji)應(ying)用(yong)(yong)中檢(jian)測電(dian)(dian)(dian)(dian)池充(chong)放(fang)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)。 其原理(li)是在電(dian)(dian)(dian)(dian)池充(chong)放(fang)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)路(lu)中放(fang)置(zhi)一(yi)個采(cai)樣(yang)(yang)電(dian)(dian)(dian)(dian)阻(zu)(zu)R。 電(dian)(dian)(dian)(dian)流(liu)流(liu)過(guo)采(cai)樣(yang)(yang)電(dian)(dian)(dian)(dian)阻(zu)(zu)產生電(dian)(dian)(dian)(dian)壓(ya)差(cha)。 采(cai)樣(yang)(yang)電(dian)(dian)(dian)(dian)阻(zu)(zu)兩(liang)端電(dian)(dian)(dian)(dian)壓(ya)經過(guo)RC濾波電(dian)(dian)(dian)(dian)路(lu)調整后進入AD采(cai)樣(yang)(yang)。 電(dian)(dian)(dian)(dian)阻(zu)(zu)兩(liang)端的電(dian)(dian)(dian)(dian)壓(ya)差(cha)除(chu)以采(cai)樣(yang)(yang)電(dian)(dian)(dian)(dian)阻(zu)(zu)。 獲取電(dian)(dian)(dian)(dian)路(lu)的充(chong)電(dian)(dian)(dian)(dian)和放(fang)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)。 采(cai)樣(yang)(yang)電(dian)(dian)(dian)(dian)阻(zu)(zu)值通常比較(jiao)低，一(yi)般(ban)不超過(guo)1歐姆，如20毫歐，但精度較(jiao)高，一(yi)般(ban)在±1%以內，電(dian)(dian)(dian)(dian)阻(zu)(zu)封裝一(yi)般(ban)為0805或(huo)更(geng)大，以防止電(dian)(dian)(dian)(dian)阻(zu)(zu)因故(gu)障而失(shi)效。 額定功率不足。番(fan)禺區貼(tie)片合(he)金(jin)(jin)電(dian)(dian)(dian)(dian)阻(zu)(zu)報(bao)價貼(tie)片合(he)金(jin)(jin)電(dian)(dian)(dian)(dian)阻(zu)(zu)的應(ying)用(yong)(yong)廣。

相對(dui)于(yu)精(jing)(jing)密(mi)貼(tie)片(pian)合(he)金(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)，普(pu)通(tong)貼(tie)片(pian)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)制(zhi)作材料(liao)(liao)主(zhu)要為碳(tan)膜電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)素(su)和金(jin)屬(shu)膜電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)素(su)等。它們的(de)特點(dian)是制(zhi)作成(cheng)(cheng)本較(jiao)低，適用范圍廣，但相對(dui)精(jing)(jing)密(mi)合(he)金(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)精(jing)(jing)度(du)要差一些。普(pu)通(tong)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)原理是基(ji)于(yu)碳(tan)膜或金(jin)屬(shu)膜的(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)材料(liao)(liao)，通(tong)過在(zai)導體(ti)表(biao)面形(xing)成(cheng)(cheng)一定(ding)(ding)厚度(du)的(de)薄膜來改變(bian)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)值。而(er)(er)精(jing)(jing)密(mi)合(he)金(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)則是通(tong)過合(he)金(jin)材料(liao)(liao)的(de)特殊(shu)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)性(xing)質(zhi)來實現。另外，普(pu)通(tong)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)特點(dian)是電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)值隨溫度(du)的(de)變(bian)化(hua)較(jiao)大，而(er)(er)精(jing)(jing)密(mi)合(he)金(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)則具(ju)有較(jiao)小的(de)溫度(du)系(xi)數，溫度(du)穩定(ding)(ding)性(xing)較(jiao)好。精(jing)(jing)密(mi)合(he)金(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)更適合(he)用于(yu)需要較(jiao)高(gao)(gao)精(jing)(jing)度(du)的(de)儀器、測量(liang)設備中。總的(de)來說，精(jing)(jing)密(mi)合(he)金(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)和普(pu)通(tong)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)在(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)材料(liao)(liao)、電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)原理和精(jing)(jing)度(du)等方面有所不同。對(dui)于(yu)需要高(gao)(gao)精(jing)(jing)度(du)、溫度(du)穩定(ding)(ding)性(xing)好的(de)應用場合(he)，精(jing)(jing)密(mi)合(he)金(jin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)是更好的(de)選擇(ze)。而(er)(er)對(dui)于(yu)一般的(de)應用，普(pu)通(tong)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)具(ju)有較(jiao)低的(de)制(zhi)作成(cheng)(cheng)本，適用性(xing)更廣

貼片(pian)電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)之貼片(pian)合金電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)在(zai)(zai)(zai)各(ge)種電(dian)(dian)(dian)(dian)子產品中經常可(ke)以看到一種電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)。合金電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)不(bu)同于普通電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)。它們使(shi)用不(bu)同的(de)材料(liao)(liao)(liao)，因此(ci)(ci)在(zai)(zai)(zai)性(xing)能(neng)上存在(zai)(zai)(zai)一些差(cha)異。合金電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)主(zhu)要用于檢測電(dian)(dian)(dian)(dian)流(liu)，因此(ci)(ci)也被工程師(shi)稱為(wei)(wei)電(dian)(dian)(dian)(dian)流(liu)檢測電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)、采樣(yang)電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)或電(dian)(dian)(dian)(dian)流(liu)采樣(yang)電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)等。合金電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)的(de)材料(liao)(liao)(liao)主(zhu)要是(shi)(shi)銅合金。每個制造商(shang)在(zai)(zai)(zai)生產和研發過(guo)程中都有(you)不(bu)同的(de)材料(liao)(liao)(liao)比例。合金的(de)主(zhu)要材料(liao)(liao)(liao)是(shi)(shi)銅。此(ci)(ci)外，其(qi)他材料(liao)(liao)(liao)已成為(wei)(wei)康銅、錳銅等輔(fu)助材料(liao)(liao)(liao)。其(qi)他輔(fu)助材料(liao)(liao)(liao)很(hen)多，但主(zhu)要性(xing)能(neng)由合金材料(liao)(liao)(liao)本身決(jue)定(ding)。主(zhu)流(liu)合金電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)為(wei)(wei)貼片(pian)式合金電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)，其(qi)主(zhu)要特點是(shi)(shi)電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)值低、精(jing)度(du)高、溫度(du)系(xi)數低、抗沖擊電(dian)(dian)(dian)(dian)流(liu)、功(gong)率大等。貼片(pian)合金電(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)的(de)可(ke)靠性(xing)較(jiao)高。

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路中的(de)(de)作用(yong)及原理： 1、原理：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器由電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)體(ti)、骨架(jia)和引出(chu)端三部分(fen)(fen)組(zu)成(cheng)（實(shi)芯(xin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)體(ti)和骨架(jia)合二為一） ），并且只(zhi)有電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)體(ti)決定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)。 。 通常，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)是(shi)根據歐姆定(ding)律定(ding)義的(de)(de)，在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)上加上恒定(ding)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)會(hui)產生多少電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流； 也(ye)可(ke)以用(yong)焦耳定(ding)律來定(ding)義，當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)流過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流時(shi)(shi)，單(dan)位時(shi)(shi)間內會(hui)產生多少熱(re)量。 2、限(xian)流：有時(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路中需(xu)要一組(zu)幾(ji)十mA的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源，但電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路中其(qi)他地方不(bu)(bu)使用(yong)其(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)。 這時(shi)(shi)不(bu)(bu)適合單(dan)獨(du)使用(yong)一組(zu)DCDC或LDO，因(yin)為電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流太(tai)小。 這時(shi)(shi)可(ke)以采用(yong)齊(qi)納(na)管穩壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路。 3、分(fen)(fen)壓(ya)(ya)：ADC采樣(yang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路、DCDC輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)反饋(kui)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)平轉(zhuan)換等分(fen)(fen)壓(ya)(ya)。可(ke)以承(cheng)受較大的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流負載。龍(long)崗(gang)區貼片合金(jin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)

它具有(you)小巧、高精度的特(te)點。肇慶貼片合金電阻哪家好

大(da)功率(lv)(lv)合(he)(he)(he)金(jin)(jin)(jin)電(dian)(dian)(dian)阻(zu)(zu)是(shi)指功率(lv)(lv)比常規高(gao)，一(yi)般是(shi)3W左右，貼(tie)片(pian)合(he)(he)(he)金(jin)(jin)(jin)電(dian)(dian)(dian)阻(zu)(zu)產品(pin)特(te)性(xing)：額定(ding)功率(lv)(lv)高(gao)；散熱性(xing)能好(hao)；低阻(zu)(zu)值和高(gao)精密(mi)度，深圳容發科技是(shi)一(yi)家專業(ye)一(yi)站式元器件配套(tao)商，公司(si)有大(da)毅貼(tie)片(pian)合(he)(he)(he)金(jin)(jin)(jin)電(dian)(dian)(dian)阻(zu)(zu)、旺詮貼(tie)片(pian)合(he)(he)(he)金(jin)(jin)(jin)電(dian)(dian)(dian)阻(zu)(zu)、國(guo)巨貼(tie)片(pian)合(he)(he)(he)金(jin)(jin)(jin)電(dian)(dian)(dian)阻(zu)(zu)、厚聲貼(tie)片(pian)合(he)(he)(he)金(jin)(jin)(jin)電(dian)(dian)(dian)阻(zu)(zu)、NCT貼(tie)片(pian)合(he)(he)(he)金(jin)(jin)(jin)電(dian)(dian)(dian)阻(zu)(zu)、華德(de)貼(tie)片(pian)合(he)(he)(he)金(jin)(jin)(jin)電(dian)(dian)(dian)阻(zu)(zu)等品(pin)牌全(quan)系列產品(pin)，庫存現貨(huo)(huo)全(quan)，發貨(huo)(huo)快，為了滿足客戶日益對產品(pin)品(pin)質(zhi)和產品(pin)性(xing)能上的(de)需求，提(ti)供了特(te)殊貼(tie)片(pian)電(dian)(dian)(dian)阻(zu)(zu)定(ding)制(zhi)服(fu)(fu)務，倘若有這部(bu)分需求的(de)朋(peng)友(you)，歡迎在線(xian)咨(zi)詢我們(men)的(de)QQ在線(xian)客服(fu)(fu)。肇慶(qing)貼(tie)片(pian)合(he)(he)(he)金(jin)(jin)(jin)電(dian)(dian)(dian)阻(zu)(zu)哪(na)家好(hao)

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