河南微功耗霍爾開關(guān) 歡迎來電華芯霍爾元件廠家供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 1、霍爾系數(shù)RH（又稱霍爾常數(shù)）在磁場不太強(qiáng)時(shí)，霍爾電勢差UH與激勵(lì)電流I和磁感應(yīng)強(qiáng)度B的乘積成正比，與霍爾片的厚度δ成反比，即，式中的RH稱為霍爾系數(shù)，它表示霍爾效應(yīng)的強(qiáng)弱。另即霍爾常數(shù)等于"><meta name="keywords" content="河南微功耗霍爾開關(guān),霍爾開關(guān)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wqsp8cz" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>河南微功耗霍爾開關(guān),霍爾開關(guān)</p><p><span>***更新：</span>2020-09-20 08:03:35</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="mldfhj7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫華芯晟科技有限公司</a></p><p><span>聯(lián)系人：</span>江經(jīng)理</p><p><span>郵箱: </span>wxhxkj@126.com</p><p><span>電話: </span>15995280887</p><p><span>傳真: </span>0510_88530068</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-88530068</p><p><span>地址: </span>安鎮(zhèn)街道丹山路88號錫東創(chuàng)融大廈C座603</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="osurta3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="239dfcj" class="box"><p><p> 1、霍爾系數(shù)RH（又稱霍爾常數(shù)）在磁場不太強(qiáng)時(shí)，霍爾電勢差UH與激勵(lì)電流I和磁感應(yīng)強(qiáng)度B的乘積成正比，與霍爾片的厚度δ成反比，即，式中的RH稱為霍爾系數(shù)，它表示霍爾效應(yīng)的強(qiáng)弱。另即霍爾常數(shù)等于霍爾片材料的電阻率ρ與電子遷移率μ的乘積。2、霍爾靈敏度KH（又稱霍爾乘積靈敏度）霍爾靈敏度與霍爾系數(shù)成正比而與霍爾片的厚度δ成反比，即，河南微功耗霍爾開關(guān)，它通?？梢员碚骰魻柍?shù)。3、霍爾額定激勵(lì)電流當(dāng)霍爾元件自身溫升10℃時(shí)所流過的激勵(lì)電流稱為額定激勵(lì)電流。4、霍爾比較大允許激勵(lì)電流以霍爾元件允許比較大溫升為限制所對應(yīng)的激勵(lì)電流稱為比較大允許激勵(lì)電流。5，河南微功耗霍爾開關(guān)、霍爾輸入電阻霍爾激勵(lì)電極間的電阻值稱為輸入電阻。6、霍爾輸出電阻霍爾輸出電極間的電阻值稱為輸出電阻。7，河南微功耗霍爾開關(guān)、霍爾元件的電阻溫度系數(shù)在不施加磁場的條件下，環(huán)境溫度每變化1℃時(shí)，電阻的相對變化率，用α表示，單位為%/℃。華芯精選各類霍爾元件,提供高質(zhì)量產(chǎn)品服務(wù),各類型號霍爾元件.霍爾元件一站搞定,價(jià)格優(yōu)惠歡迎咨詢!河南微功耗霍爾開關(guān)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南微功耗霍爾開關(guān),霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652101367188/4536367.jpg"></div><p> 霍爾開關(guān)時(shí)使用注意事項(xiàng)（下） </p> <p> 6.由于機(jī)械應(yīng)力會(huì)造成霍爾器件磁敏感度的漂移，在使用安裝中應(yīng)盡量減少施加到器件外殼和引線上的機(jī)械力，如管腳需要彎曲，請?jiān)诰嘁€根部3mm以外操作。；7.將導(dǎo)線平行焊接在霍爾器件的引腳上，焊接時(shí)不能掰動(dòng)霍爾器件引腳。；8.建議焊接溫度：電烙鐵焊接，建議溫度在350℃，**長5秒；波峰焊：建議比較高溫度260℃，**長3秒；紅外回流焊：建議比較高245℃，**長10秒。；9.焊點(diǎn)不得有毛刺，以避免將熱縮管刺破而導(dǎo)致短路燒壞霍爾器件。；10.熱縮管必須套在霍爾器件的引腳根部，保證器件充分絕緣，比較好在熱縮管及引線的下面再鋪一層絕緣紙。佛山藍(lán)牙耳機(jī)霍爾開關(guān)我司的產(chǎn)品可替代目前市場上大部分allegro、honeywell、旭化成等霍爾產(chǎn)品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南微功耗霍爾開關(guān),霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128651997539063/1166780.jpg"></div><p> 線性霍爾電路由霍爾開關(guān)、差分放大器和射極跟隨器組成。其輸入是磁感應(yīng)強(qiáng)度，輸出是和輸入量成正比的電壓。這類電路有很高的靈敏度和優(yōu)良的線性度，適用于各種磁場檢測。 </p> <p> 線性霍爾開關(guān)的特點(diǎn)： </p> <p> 1、體積小、精確度高；2、靈敏度高、線性度好；3、溫度穩(wěn)定性好、可靠性高 </p> <p> 線性霍爾一些應(yīng)用領(lǐng)域： </p> <p> 1、電流傳感器；2、電源感應(yīng) 、磁（偏）傳感應(yīng)用、黑色金屬探測器、接近傳感器、液**置傳感器。 </p> <p> 線性霍爾電路注意事項(xiàng)；1 安裝時(shí)要盡量減少施加在電路外殼或引線上的機(jī)械應(yīng)力。；2 焊接溫度要低于260℃，時(shí)間小于5秒。；3若以N極從背面接近霍爾電路，輸出電壓減小，S極從背面接近，輸出增加；若從正面接近，輸出狀態(tài)與從背面接近正好相反。 </p><p> 霍爾元件是由霍爾片、4根引線和殼體組成?；魻柶且粔K矩形半導(dǎo)體單晶薄片（一般為4mm×2mm×），在它的長度方向兩端面上焊有a、b兩根引線，稱為控制電流端引線，通常用紅色導(dǎo)線。其焊接處稱為控制電流極（或稱激勵(lì)電流），要求焊接處接觸電阻很小，并呈純電阻，即歐姆接觸（無PN結(jié)特性）。在薄片的另兩側(cè)端面的中間以點(diǎn)的形式對稱地焊有c、d兩根霍爾輸出引線，通常用綠色導(dǎo)線。其焊接處稱為霍爾電極，要求歐姆接觸，且電極寬度與基片長度之比小于，否則影響輸出?；魻栐臍んw上用非導(dǎo)磁金屬、陶瓷或環(huán)氧樹脂封裝。目前，**常用的霍爾元件材料是鍺（Ge）、硅（Si）、銻化銦（ISb）、砷化銦（lnAs）和不同比例亞砷酸銦和磷酸銦組成的ln型固熔體等半導(dǎo)體材料。值得一提的是，20世紀(jì)80年代末出現(xiàn)了一種新型霍爾元件——超晶格結(jié)構(gòu)（砷化鋁/砷化鎵）的霍爾元件，它可以用來測10-T的微磁場?？梢哉f，超晶格霍爾元件是霍爾元件的一個(gè)質(zhì)的飛躍。我公司霍爾產(chǎn)品擁有超大庫存，可以快速發(fā)貨。每一箱霍爾產(chǎn)品都會(huì)在工廠備案，提供一對一完善的售后服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南微功耗霍爾開關(guān),霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652099023438/7907172.jpg"></div><p> 線性霍爾和開關(guān)式霍爾可以通用嗎？在轉(zhuǎn)把上用的霍爾開關(guān)，我們把它叫線性霍爾開關(guān)。就是說，根據(jù)磁場感應(yīng)的大小，它的電壓會(huì)隨著磁場大小的變化而變化，磁場感應(yīng)的強(qiáng)度越強(qiáng)，翰出的霍爾電壓就越大；磁場感應(yīng)的強(qiáng)度越小，翰出的電壓就越小。所以我們在轉(zhuǎn)動(dòng)轉(zhuǎn)把時(shí)，電壓可以從由小到大，逐漸加大，或者是逐漸變小。在電機(jī)上用的霍爾開關(guān)，我們把它叫做開關(guān)式霍爾開關(guān)。在磁場靠近霍爾開關(guān)時(shí)，這是霍爾元件直接導(dǎo)通狀態(tài)，輸出比較大電壓。磁場感應(yīng)離開時(shí)，直接進(jìn)入關(guān)閉狀態(tài)，沒有電壓輸出。就像個(gè)開關(guān)一樣的，保持通斷的功能。不能像轉(zhuǎn)把霍爾開關(guān)那樣，逐步的施加電壓。所以這兩種霍爾開關(guān)，因?yàn)榉诺奈恢貌煌?，所涉及的原理也不太一樣，所以它們是不能互相代?霍爾元件新春大促中~華芯質(zhì)量霍爾元件，多年行業(yè)好評，質(zhì)量好，價(jià)格優(yōu)，長期與多加**企業(yè)合作。佛山藍(lán)牙耳機(jī)霍爾開關(guān)</p><p style="text-indent:25px">華芯是專業(yè)的霍爾元件供應(yīng)廠家，提供的霍爾質(zhì)優(yōu)價(jià)優(yōu)，歡迎咨詢。河南微功耗霍爾開關(guān)</p><p> 如何判斷線性霍爾開關(guān)是否損壞？改變磁場的大小線性霍爾開關(guān)的好壞當(dāng)霍爾開關(guān)通電，輸出端與電壓表連接時(shí)，當(dāng)磁鐵從遠(yuǎn)到近接近線性霍爾開關(guān)時(shí)，線性霍爾開關(guān)的輸出電壓逐漸由小變大。這表明線性霍爾開關(guān)是好的。如果磁鐵從遠(yuǎn)到近逐漸接近線性霍爾開關(guān)，則線性霍爾開關(guān)的輸出電壓保持不變，表明線性霍爾開關(guān)具有相同的輸出電壓。線性霍爾開關(guān)已損壞。線性霍爾開關(guān)恒流源電流的改變來判斷線性霍爾開關(guān)的質(zhì)量當(dāng)線性霍爾開關(guān)恒流源的電流由零逐漸變?yōu)轭~定電流（不能超過線性霍爾開關(guān)的額定電流），線性霍爾開關(guān)的輸出電壓由小逐漸變大，說明線性霍爾開關(guān)性能良好。如果線性霍爾開關(guān)的恒流從零逐漸變?yōu)轭~定電流，則線性霍爾開關(guān)的電壓保持不變，表明線性霍爾開關(guān)已損壞。河南微功耗霍爾開關(guān)</p><p style="text-indent:25px">無錫華芯晟科技有限公司是一家電子元器件、電子線路板、集成電路的研發(fā)、設(shè)計(jì)、技術(shù)咨詢、技術(shù)服務(wù)和銷售：自營和代理各類商品及技術(shù)的進(jìn)出口業(yè)務(wù)，但國家限定企業(yè)經(jīng)營和禁止進(jìn)出口的商品和技術(shù)除外。（依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)）的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。無錫華芯科技作為電子元器件、電子線路板、集成電路的研發(fā)、設(shè)計(jì)、技術(shù)咨詢、技術(shù)服務(wù)和銷售：自營和代理各類商品及技術(shù)的進(jìn)出口業(yè)務(wù)，但國家限定企業(yè)經(jīng)營和禁止進(jìn)出口的商品和技術(shù)除外。（依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)）的企業(yè)之一，為客戶提供良好的霍爾元件，霍爾開關(guān)，霍爾傳感器，電機(jī)霍爾。無錫華芯科技不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。無錫華芯科技始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使無錫華芯科技在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1352279.html</p></div></div></div></div></div><div id="c3yaszw" class="page-right twoColRt"><div id="au38ke2" class="box01 margin10 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