熱(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)是(shi)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)溫(wen)度(du)(du)(du)(du)計，或(huo)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)取(qu)決于(yu)溫(wen)度(du)(du)(du)(du)的(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)。該術語是(shi)“熱(re)(re)(re)”和“電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)”的(de)(de)組合。它由(you)金(jin)屬氧化物制成，壓成珠(zhu)子，圓盤或(huo)圓柱(zhu)形，然后用(yong)不透氣(qi)的(de)(de)材料如環氧樹脂或(huo)玻(bo)璃封裝。熱(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)(de)類型有兩種：負溫(wen)度(du)(du)(du)(du)系(xi)數（NTC）和正(zheng)溫(wen)度(du)(du)(du)(du)系(xi)數（PTC）。使用(yong)NTC熱(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)，當(dang)溫(wen)度(du)(du)(du)(du)升高(gao)時(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)會降低。相反，當(dang)溫(wen)度(du)(du)(du)(du)降低時(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)增(zeng)加。這(zhe)類熱(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)使用(yong)量較多(duo)。PTC熱(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)(de)工作方式(shi)略有不同。當(dang)溫(wen)度(du)(du)(du)(du)升高(gao)時(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)增(zeng)加，而(er)(er)當(dang)溫(wen)度(du)(du)(du)(du)降低時(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)降低。這(zhe)種類型的(de)(de)熱(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)通常用(yong)作保險絲(si)。通常，熱(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)在目(mu)標溫(wen)度(du)(du)(du)(du)附(fu)近(jin)約(yue)50C的(de)(de)有限(xian)溫(wen)度(du)(du)(du)(du)范圍內實現高(gao)精(jing)度(du)(du)(du)(du)。該范圍取(qu)決于(yu)基極電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)。熱(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)在環境溫(wen)度(du)(du)(du)(du)相同時(shi)(shi)，動作時(shi)(shi)間(jian)隨著電(dian)(dian)(dian)(dian)(dian)流(liu)的(de)(de)增(zeng)加而(er)(er)急(ji)劇縮短。無錫(xi)NTC熱(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)哪家好(hao)

熱(re)(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)阻(zu)(zu)也可(ke)作為(wei)電(dian)(dian)(dian)(dian)子線(xian)路元件用(yong)(yong)(yong)于(yu)儀(yi)表線(xian)路溫度(du)補(bu)償和溫差(cha)電(dian)(dian)(dian)(dian)偶(ou)冷端溫度(du)補(bu)償等。利用(yong)(yong)(yong)NTC熱(re)(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)阻(zu)(zu)的自熱(re)(re)(re)(re)特性可(ke)實(shi)現自動(dong)增益控制，構成(cheng)RC振蕩器(qi)穩幅(fu)電(dian)(dian)(dian)(dian)路，延遲電(dian)(dian)(dian)(dian)路和保護(hu)電(dian)(dian)(dian)(dian)路。在(zai)自熱(re)(re)(re)(re)溫度(du)遠大于(yu)環(huan)境溫度(du)時(shi)(shi)阻(zu)(zu)值還與環(huan)境的散熱(re)(re)(re)(re)條(tiao)件有關，因此在(zai)流速計、流量計、氣(qi)體(ti)分析儀(yi)、熱(re)(re)(re)(re)導分析中常利用(yong)(yong)(yong)熱(re)(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)阻(zu)(zu)這一(yi)特性，制成(cheng)專門的檢測(ce)元件。PTC熱(re)(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)阻(zu)(zu)主(zhu)要(yao)用(yong)(yong)(yong)于(yu)電(dian)(dian)(dian)(dian)器(qi)設備的過熱(re)(re)(re)(re)保護(hu)、無觸點繼(ji)電(dian)(dian)(dian)(dian)器(qi)、恒溫、自動(dong)增益控制、電(dian)(dian)(dian)(dian)機啟動(dong)、時(shi)(shi)間(jian)延遲、彩色(se)電(dian)(dian)(dian)(dian)視自動(dong)消磁、火災報警(jing)和溫度(du)補(bu)償等方面(mian)。無錫(xi)電(dian)(dian)(dian)(dian)機熱(re)(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)阻(zu)(zu)定(ding)做廠家熱(re)(re)(re)(re)敏(min)電(dian)(dian)(dian)(dian)阻(zu)(zu)的電(dian)(dian)(dian)(dian)氣(qi)特性包括電(dian)(dian)(dian)(dian)阻(zu)(zu)值、溫度(du)系數、響應時(shi)(shi)間(jian)、功耗等。

熱(re)敏(min)電阻(zu)(zu)測(ce)(ce)試時(shi)(shi)(shi)應(ying)(ying)注(zhu)(zhu)(zhu)意(yi)以(yi)(yi)下幾點：（1）Rt是生產廠家在環境溫(wen)度(du)為25℃時(shi)(shi)(shi)所測(ce)(ce)得(de)的(de)，所以(yi)(yi)用(yong)萬用(yong)表測(ce)(ce)量(liang)Rt時(shi)(shi)(shi)，亦應(ying)(ying)在環境溫(wen)度(du)接近25℃時(shi)(shi)(shi)進行，以(yi)(yi)保證測(ce)(ce)試的(de)可(ke)信度(du)。（2）測(ce)(ce)量(liang)功率(lv)不得(de)超過規定值，以(yi)(yi)免(mian)電流熱(re)效應(ying)(ying)引起測(ce)(ce)量(liang)誤差(cha)。（3）注(zhu)(zhu)(zhu)意(yi)正確操作。測(ce)(ce)試時(shi)(shi)(shi)，不要用(yong)手捏住(zhu)熱(re)敏(min)電阻(zu)(zu)體，以(yi)(yi)防(fang)(fang)止人體溫(wen)度(du)對測(ce)(ce)試產生影響。（4）注(zhu)(zhu)(zhu)意(yi)不要使熱(re)源(yuan)與PTC熱(re)敏(min)電阻(zu)(zu)靠得(de)過近或(huo)直接接觸熱(re)敏(min)電阻(zu)(zu)，以(yi)(yi)防(fang)(fang)止將(jiang)其燙壞(huai)。熱(re)敏(min)電阻(zu)(zu)通常需要與溫(wen)度(du)補償電路(lu)一起使用(yong)，以(yi)(yi)消除溫(wen)度(du)對電阻(zu)(zu)值的(de)影響。

熱(re)(re)敏電(dian)阻(zu)(zu)(zu)出(chu)問(wen)題時如何檢查(cha)(cha)？加(jia)溫(wen)(wen)(wen)檢查(cha)(cha)：在常溫(wen)(wen)(wen)測試(shi)正(zheng)常情況(kuang)下進一步測試(shi)—加(jia)溫(wen)(wen)(wen)檢查(cha)(cha)，將熱(re)(re)源如電(dian)吹風(feng)靠近(jin)熱(re)(re)敏電(dian)阻(zu)(zu)(zu)對其(qi)(qi)加(jia)熱(re)(re)，觀察萬用表指針的(de)(de)阻(zu)(zu)(zu)值(zhi)(zhi)是否隨溫(wen)(wen)(wen)度(du)的(de)(de)升高而(er)增大或減(jian)小。如果(guo)萬用表的(de)(de)阻(zu)(zu)(zu)值(zhi)(zhi)隨著(zhu)溫(wen)(wen)(wen)度(du)的(de)(de)升高而(er)變化說(shuo)明(ming)熱(re)(re)敏電(dian)阻(zu)(zu)(zu)正(zheng)常；若(ruo)阻(zu)(zu)(zu)值(zhi)(zhi)無(wu)變化，說(shuo)明(ming)其(qi)(qi)性能(neng)變劣(lie)，不能(neng)繼續使(shi)用。當熱(re)(re)敏電(dian)阻(zu)(zu)(zu)出(chu)問(wen)題后應(ying)盡快替(ti)換(huan)同(tong)型號(hao)規格的(de)(de)有品(pin)牌、質量過硬的(de)(de)熱(re)(re)敏電(dian)阻(zu)(zu)(zu)保證(zheng)電(dian)器的(de)(de)正(zheng)常使(shi)用。熱(re)(re)敏電(dian)阻(zu)(zu)(zu)的(de)(de)應(ying)用通(tong)(tong)常需(xu)要考(kao)慮環境溫(wen)(wen)(wen)度(du)、溫(wen)(wen)(wen)度(du)范圍、溫(wen)(wen)(wen)度(du)精度(du)等因素(su)。熱(re)(re)敏電(dian)阻(zu)(zu)(zu)的(de)(de)電(dian)路(lu)布局(ju)應(ying)合理，以避免干擾(rao)和噪聲。熱(re)(re)敏電(dian)阻(zu)(zu)(zu)可通(tong)(tong)過多種方式(shi)用于溫(wen)(wen)(wen)度(du)控制(zhi)和測量。

醫(yi)療用NTC熱(re)敏電(dian)(dian)阻(zu)(zu)與(yu)體(ti)(ti)(ti)表(biao)溫(wen)(wen)度測量(liang)：體(ti)(ti)(ti)溫(wen)(wen)作為(wei)臨床醫(yi)學中重要(yao)的是參數(shu)之一(yi)，它為(wei)醫(yi)生提供了所需要(yao)的生理(li)(li)(li)狀況的重要(yao)信(xin)(xin)息。由(you)于醫(yi)療體(ti)(ti)(ti)溫(wen)(wen)檢測精度要(yao)求高，這就需要(yao)加入NTC熱(re)敏電(dian)(dian)阻(zu)(zu)精確(que)測量(liang)人體(ti)(ti)(ti)體(ti)(ti)(ti)表(biao)溫(wen)(wen)度以獲取(qu)準確(que)數(shu)據。一(yi)種接觸式(shi)(shi)人體(ti)(ti)(ti)皮膚溫(wen)(wen)度分(fen)布測量(liang)傳感(gan)器，其在(zai)測量(liang)體(ti)(ti)(ti)溫(wen)(wen)的同時，還能為(wei)醫(yi)療病(bing)理(li)(li)(li)分(fen)析提供更多生理(li)(li)(li)狀態參數(shu)，主(zhu)要(yao)包括:陣列式(shi)(shi)溫(wen)(wen)度傳感(gan)探(tan)頭(tou)，信(xin)(xin)號調理(li)(li)(li)單(dan)元(yuan)，信(xin)(xin)號采(cai)集(ji)單(dan)元(yuan)、主(zhu)控單(dan)元(yuan)及通信(xin)(xin)單(dan)元(yuan)，陣列式(shi)(shi)溫(wen)(wen)度傳感(gan)探(tan)頭(tou)包括傳感(gan)器外殼以及設(she)置(zhi)于傳感(gan)器處殼內的傳感(gan)電(dian)(dian)極、傳感(gan)電(dian)(dian)極電(dian)(dian)路板(ban)、隔(ge)溫(wen)(wen)層及控制電(dian)(dian)路板(ban)、信(xin)(xin)號調理(li)(li)(li)單(dan)元(yuan)、信(xin)(xin)號采(cai)集(ji)單(dan)元(yuan)、主(zhu)控單(dan)元(yuan)及通信(xin)(xin)單(dan)元(yuan)設(she)置(zhi)于控制電(dian)(dian)路板(ban)上。熱(re)敏電(dian)(dian)阻(zu)(zu)的使用方法象(xiang)普通保險絲一(yi)樣，是串聯在(zai)電(dian)(dian)路中使用。麗水空調熱(re)敏電(dian)(dian)阻(zu)(zu)供應商

熱(re)敏電阻具有較高的精度和(he)穩(wen)定性。無錫NTC熱(re)敏電阻哪家好

NTC熱(re)敏(min)電(dian)(dian)阻(zu)(zu)(zu)是(shi)什么做(zuo)的(de)(de)(de)？以(yi)過(guo)渡金(jin)屬(shu)氧(yang)化(hua)(hua)物(wu)(錳(meng)(meng)、鈷(gu)、鎳(nie)、鐵、銅，為了(le)降低成(cheng)本(ben)，在某些(xie)配方中(zhong)用鐵或銅代替鈷(gu)）為原料(liao)，通過(guo)典型的(de)(de)(de)電(dian)(dian)子(zi)陶瓷(ci)工(gong)藝，成(cheng)型和燒(shao)結形成(cheng)半導體陶瓷(ci)，一般情況下(xia)(xia)(xia)NTC熱(re)敏(min)電(dian)(dian)阻(zu)(zu)(zu)的(de)(de)(de)導電(dian)(dian)機理是(shi)錳(meng)(meng)的(de)(de)(de)變價引起的(de)(de)(de)，在低溫(wen)下(xia)(xia)(xia)，這(zhe)些(xie)氧(yang)化(hua)(hua)物(wu)材(cai)料(liao)有(you)(you)較少的(de)(de)(de)載流子(zi)(電(dian)(dian)子(zi)和空穴)，因此它們(men)的(de)(de)(de)電(dian)(dian)阻(zu)(zu)(zu)較高，隨著溫(wen)度(du)(du)的(de)(de)(de)升高，電(dian)(dian)流被載流隨著子(zi)元件數量的(de)(de)(de)增加(jia)，電(dian)(dian)阻(zu)(zu)(zu)值減小(xiao)。除(chu)了(le)社會(hui)過(guo)渡金(jin)屬(shu)氧(yang)化(hua)(hua)物(wu)外還會(hui)通過(guo)添加(jia)一些(xie)其他(ta)微量元素成(cheng)分如氧(yang)化(hua)(hua)釔、五氧(yang)化(hua)(hua)二釩、氧(yang)化(hua)(hua)鑭來(lai)調(diao)節材(cai)料(liao)的(de)(de)(de)電(dian)(dian)阻(zu)(zu)(zu)率和B常數，有(you)(you)些(xie)不同(tong)微量成(cheng)分也能增加(jia)企業(ye)材(cai)料(liao)的(de)(de)(de)穩定性(xing)，可以(yi)減少長期使用時電(dian)(dian)阻(zu)(zu)(zu)值的(de)(de)(de)漂移(yi)。高溫(wen)熱(re)敏(min)電(dian)(dian)阻(zu)(zu)(zu)是(shi)指(zhi)可在相應(ying)的(de)(de)(de)高溫(wen)下(xia)(xia)(xia)使用，室溫(wen)下(xia)(xia)(xia)NTC熱(re)敏(min)電(dian)(dian)阻(zu)(zu)(zu)的(de)(de)(de)工(gong)作(zuo)范圍(wei)為100～1000000Ω,溫(wen)度(du)(du)系數為-2%～-6.5%。NTC熱(re)敏(min)電(dian)(dian)阻(zu)(zu)(zu)普遍(bian)應(ying)用于溫(wen)度(du)(du)測量、溫(wen)度(du)(du)控制、溫(wen)度(du)(du)補償等領域。無錫(xi)NTC熱(re)敏(min)電(dian)(dian)阻(zu)(zu)(zu)哪家好(hao)

麥柯泰(tai)姆(mu)電(dian)子(zi)技(ji)(ji)術(上(shang)海)有限公司一直專(zhuan)注(zhu)于(yu)生產電(dian)子(zi)產品(pin)(pin)及相關(guan)元器(qi)件(jian)，銷售自(zi)產產品(pin)(pin)，并從事上(shang)述同類商品(pin)(pin)及機械(xie)設備、通訊器(qi)材的(de)(de)批發、傭金代理(li)（拍賣(mai)除(chu)外）、進出口(kou)、并提供售后服務(wu)（不涉(she)及國(guo)營(ying)貿易管理(li)商品(pin)(pin)，涉(she)及配額、行政許可證管理(li)商品(pin)(pin)的(de)(de)，按國(guo)家(jia)有關(guan)規定辦理(li)申請）。，是一家(jia)電(dian)子(zi)元器(qi)件(jian)的(de)(de)企業，擁有自(zi)己的(de)(de)技(ji)(ji)術體(ti)系。目前我(wo)公司在(zai)職(zhi)員工(gong)以90后為主，是一個(ge)有活力有能力有創(chuang)新(xin)精神的(de)(de)團隊。公司業務(wu)范圍主要包括：溫(wen)度開(kai)關(guan)，溫(wen)度傳感器(qi)，溫(wen)度保險絲(si)，溫(wen)度保護(hu)器(qi)等。公司奉行顧客至(zhi)上(shang)、質(zhi)量(liang)(liang)為本的(de)(de)經營(ying)宗(zong)旨，深受客戶(hu)好(hao)評。公司憑著雄厚的(de)(de)技(ji)(ji)術力量(liang)(liang)、飽(bao)滿的(de)(de)工(gong)作態(tai)度、扎實的(de)(de)工(gong)作作風、良(liang)好(hao)的(de)(de)職(zhi)業道德，樹立了(le)良(liang)好(hao)的(de)(de)溫(wen)度開(kai)關(guan)，溫(wen)度傳感器(qi)，溫(wen)度保險絲(si)，溫(wen)度保護(hu)器(qi)形象(xiang)，贏得了(le)社(she)會各界的(de)(de)信任和認可。

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