南京編帶貼片電容生產(chǎn)設(shè)備 H-cap 蘇州海之源電子供應(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=" 如果所測(cè)阻值很小或?yàn)榱悖f(shuō)明電容漏電大或已擊穿損壞，不能再使用。3、對(duì)于正、負(fù)極標(biāo)志不明的電解電容器，可利用上述測(cè)量漏電阻的方法加以判別。即先任意測(cè)一下漏電阻，記住其大小，然后交換表筆再測(cè)出一"><meta name="keywords" content="南京編帶貼片電容生產(chǎn)設(shè)備,貼片電容"><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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href="http://www.cdcfah.com/cp/third-dianrongqi_djdrq/">電解電容器</a>?南京編帶貼片電容生產(chǎn)設(shè)備 H-cap 蘇州海之源電子供應(yīng)</p><div id="vt2jjdk" class="leftbox clearfix"><h1>南京編帶貼片電容生產(chǎn)設(shè)備 H-cap 蘇州海之源電子供應(yīng)</h1><div id="m2lw3dk" class="proBig"><div id="k2z8oli" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/Szhzydz/637405301980973008/2166633.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wfxueac" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/Szhzydz/637405301980973008/2166633.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="l238yax" 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>南京編帶貼片電容生產(chǎn)設(shè)備,貼片電容</p><p><span>***更新：</span>2020-12-18 05:19:58</p><p><span id="click" >瀏覽次數(shù)：9次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="quryv2a" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州海之源電子有限公司</a></p><p><span>聯(lián)系人：</span>劉洋</p><p><span>郵箱: </span>1527765556@qq.com</p><p><span>電話: </span>18915557101</p><p><span>傳真: </span>0512_66980291</p><p><span>網(wǎng)址: </span>http://www.h-cap.cn</p><p><span>手機(jī): </span>0512-66980290</p><p><span>地址: </span>郭巷街道尹山湖路1697號(hào)</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="mv24fxj" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="jczbdkm" class="box"><p><p> 如果所測(cè)阻值很小或?yàn)榱?，說(shuō)明電容漏電大或已擊穿損壞，不能再使用。3、對(duì)于正、負(fù)極標(biāo)志不明的電解電容器，可利用上述測(cè)量漏電阻的方法加以判別。即先任意測(cè)一下漏電阻，記住其大小，然后交換表筆再測(cè)出一個(gè)阻值。兩次測(cè)量中阻值大的那一次便是正向接法，即黑表筆接的是正極，紅表筆接的是負(fù)極。D？使用萬(wàn)用表電阻擋，采用給電解電容進(jìn)行正、反向充電的方法，根據(jù)指針向右擺動(dòng)幅度的大小，可估測(cè)出電解電容的容量。可變電容器的檢測(cè)1、用手輕輕旋動(dòng)轉(zhuǎn)軸，應(yīng)感覺(jué)十分平滑，不應(yīng)感覺(jué)有時(shí)松時(shí)緊甚至有卡滯現(xiàn)象。將載軸向前、后，南京編帶貼片電容生產(chǎn)設(shè)備、上、下，南京編帶貼片電容生產(chǎn)設(shè)備、左、右等各個(gè)方向推動(dòng)時(shí)，轉(zhuǎn)軸不應(yīng)有松動(dòng)的現(xiàn)象。2、用一只手旋動(dòng)轉(zhuǎn)軸，另一只手輕摸動(dòng)片組的外緣，不應(yīng)感覺(jué)有任何松脫現(xiàn)象。轉(zhuǎn)軸與動(dòng)片之間接觸不良的可變電容器，是不能再繼續(xù)使用的。3、將萬(wàn)用表置于R×10k擋，一只手將兩個(gè)表筆分別接可變電容器的動(dòng)片和定片的引出端，南京編帶貼片電容生產(chǎn)設(shè)備，另一只手將轉(zhuǎn)軸緩緩旋動(dòng)幾個(gè)來(lái)回，萬(wàn)用表指針都應(yīng)在無(wú)窮大位置不動(dòng)。在旋動(dòng)轉(zhuǎn)軸的過(guò)程中，如果指針有時(shí)指向零，說(shuō)明動(dòng)片和定片之間存在短路點(diǎn)；如果碰到某一角度，萬(wàn)用表讀數(shù)不為無(wú)窮大而是出現(xiàn)一定阻值，說(shuō)明可變電容器動(dòng)片與定片之間存在漏電現(xiàn)象。貼片電容的外面的套管是什么材質(zhì)?南京編帶貼片電容生產(chǎn)設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京編帶貼片電容生產(chǎn)設(shè)備,貼片電容" src="https://tyunfile.71360.com/WaterMark/UploadFile/Szhzydz/637405301980973008/2166633.png"></div><p> W=Ir2*ESR+V*ILW：內(nèi)部的消耗電力Ir：紋波電流ESR：內(nèi)部電阻（等效串聯(lián)電阻）V：外加電壓IL：漏電流在**高使用溫度下，漏電流增加到20℃時(shí)的5~10倍，但仍然Ir≥IL，則W=Ir2·ESR。要求出內(nèi)部發(fā)熱和放熱達(dá)到平衡的條件，則Ir2·R=β*A*ΔTβ：放熱常數(shù)A：外殼表面積（m2）A=π/4·D(D+4L)D：外殼的直徑（m）L：外殼的長(zhǎng)度（m）ΔT：因紋波電流所上升的溫度（℃）A、貼片型，部分引線型，DC電源的壽命估算：B、紋波電流加載：C、螺絲端子型D）導(dǎo)電高分子※關(guān)于TX（實(shí)際使用時(shí)的周圍溫度）的注意事項(xiàng)在溫度加速試驗(yàn)中，確認(rèn)10℃2倍準(zhǔn)則的是40℃~**高使用溫度的范圍內(nèi)，從市場(chǎng)退回的產(chǎn)品測(cè)定結(jié)果中可以看出，20~25℃范圍內(nèi)可以用10℃2倍準(zhǔn)則進(jìn)行研究，但是應(yīng)用中的環(huán)境條件大多不明確，因此40℃以下的話請(qǐng)當(dāng)作40℃來(lái)進(jìn)行壽命預(yù)測(cè)。※關(guān)于ΔT（紋波電流導(dǎo)致芯子中心發(fā)熱）的注意事項(xiàng)周圍溫度+紋波電流導(dǎo)致芯子中心發(fā)熱的界限值各個(gè)溫度下芯子中心發(fā)熱的界限值的例子周圍溫度（℃）ΔT（℃）即：**高使用溫度為105℃系列處于**高使用溫度105℃時(shí)紋波電流產(chǎn)生的熱達(dá)到5℃的**高界限（合計(jì)110℃），周圍溫度為65℃時(shí)紋波電流產(chǎn)生的熱**高為25℃（合計(jì)90℃）。蘇州鋁電解貼片電容品牌貼片電容和電力電容有什么區(qū)別？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京編帶貼片電容生產(chǎn)設(shè)備,貼片電容" src="https://tyunfile.71360.com/WaterMark/UploadFile/Szhzydz/637405292996705399/2870204.png"></div><p> 本文主要介紹的是關(guān)于紋波電流以及鋁電解電容紋波電流計(jì)算方法，并詳細(xì)對(duì)鋁電解電容進(jìn)行了***的闡述。紋波電流紋波電流或電壓是指的電流中的高次諧波成分,會(huì)帶來(lái)電流或電壓幅值的變化,可能導(dǎo)致?lián)舸?由于是交流成分,會(huì)在電容上發(fā)生耗散,如果電流的紋波成分過(guò)大,超過(guò)了電容的**大容許紋波電流,會(huì)導(dǎo)致電容燒毀。額定紋波電流（IRAC）額定紋波電流IRAC又稱為**大允許紋波電流。其定義為：在**高工作溫度條件下電容器**大所能承受的交流紋波電流有效值。并且指定的紋波為標(biāo)準(zhǔn)頻率（一般為100Hz--120Hz）的正弦波?；竞x紋波電流在這里指的是流經(jīng)電容器的交流電流的RMS值，其在電壓上的表現(xiàn)為脈動(dòng)或紋波電壓。電容器**大允許紋波電流受環(huán)境溫度、電容器表面溫度（及散熱面積）、損耗角度（或ESR）以及交流頻率參數(shù)的限制。溫度是電解電容器件壽命的決定性因素，因此由紋波產(chǎn)生的熱損耗將成為電容壽命的一個(gè)關(guān)鍵參考因數(shù)。在一些資料中將此二者稱做“漣波電流”和“漣波電壓”，其實(shí)就是ripplecurrent，ripplevoltage。含義即為電容器所能耐受紋波電流/電壓值。它們和ESR之間的關(guān)系密切，可以用下面的式子表示：Urms=Irms×R式中。</p><p> 貼片電容在電路中有什么用?，貼片電容在電路中的作用至關(guān)重要，貼片電容電阻都是20-21世紀(jì)電子元件中需求量比較大的產(chǎn)物，隨著科技越來(lái)越智能化，電路板中用到的電容逐步退化，隨著科技演變成精密器件，在電路中可以起到濾波、退耦、耦合、振蕩定時(shí)等電容的主要用途。下來(lái)小編回合大家詳細(xì)的講解其中的內(nèi)容。貼片電容的容抗隨著兩端加的交流電的頻率不同而改變，Z=1/2**FC。根據(jù)需要濾除哪個(gè)頻率的電流，設(shè)置不同的容值。這樣就可以把不需要的電流引到地，就完成了濾波。而對(duì)需要的頻率的電流，電容是通路的或阻抗很小。交流電通過(guò)時(shí)，是反復(fù)充電和放電的過(guò)程。退偶電容，濾波電容，旁路電容，三者的作用、區(qū)別、聯(lián)系是什么?貼片電容有什么用?，例如，晶體管放大器發(fā)射極有一個(gè)自給偏壓電阻，它同時(shí)又使信號(hào)產(chǎn)生壓降反饋到輸入端形成了輸入輸出信號(hào)耦合，這個(gè)電阻就是產(chǎn)生了耦合的元件，如果在這個(gè)電阻兩端并聯(lián)一個(gè)電容，由于適當(dāng)容量的貼片電容對(duì)交流信號(hào)較小的阻抗(這需要計(jì)算)這樣就減小了電阻產(chǎn)生的耦合效應(yīng)，故稱此電容為去耦電容。旁路電容不是理論概念，而是一個(gè)經(jīng)常使用的實(shí)用方法，在50--60年代，這個(gè)詞也就有它特有的含義，現(xiàn)在已不多用。貼片電容應(yīng)用于變壓器測(cè)試系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京編帶貼片電容生產(chǎn)設(shè)備,貼片電容" src="https://tyunfile.71360.com/WaterMark/UploadFile/Szhzydz/637405293017808925/4315383.png"></div><p> 貼片電容和電解電容要做替換時(shí)，我們需要先了解一下它們各有什么樣的特性。貼片電容器的特點(diǎn):體積小、電容中等、電壓高、頻率高、等效串聯(lián)電阻低、損耗低等。電解電容的特性：容值大、電壓低、頻率低、容差值大、漏電流大、耗損大等。不難看出，在容值和耐壓試驗(yàn)合乎的標(biāo)準(zhǔn)下，絕大多數(shù)電路中貼片電容能夠?qū)﹄娊怆娙荽鷵Q。只有兩種情況：1、在電源輸出電路中，用貼片電容代替電解電容時(shí)應(yīng)注意等效串聯(lián)電阻補(bǔ)償，因?yàn)橛行╇娫磳?duì)等效串聯(lián)電阻范圍有要求，陶瓷電容的等效串聯(lián)電阻基本較低。2、在中低頻(20Hz~20kHz)音頻電路中，陶瓷電容會(huì)在該電路中產(chǎn)生音頻噪聲。用電解電容器代替陶瓷電容器更加復(fù)雜。首先，貼片電容器是非極性的。更換時(shí)，應(yīng)注意區(qū)分電路極性，不要連接錯(cuò)誤。然后是電路的工作電壓和頻率是否符合電解電容器的額定值。當(dāng)然，電解電容器也應(yīng)注意溫度問(wèn)題，不應(yīng)放入高功率輸出的電路中。陶瓷電容器和電解電容器的替換仍然取決于實(shí)際電路應(yīng)用，并且不應(yīng)該只看表面屬性參數(shù)，否則很容易引起電路的各種不穩(wěn)定因素。貼片電容的特點(diǎn)是什么?蘇州鋁電解貼片電容品牌</p><p style="text-indent:25px">貼片電容測(cè)試設(shè)備誰(shuí)家有生產(chǎn)？南京編帶貼片電容生產(chǎn)設(shè)備</p><p> 貼片鋁電解電容的安裝安裝時(shí)1貼片鋁電解電容經(jīng)過(guò)正錯(cuò)的安裝及加載之后，不要在試圖用于其他線路板或其他用途2當(dāng)電容器產(chǎn)生再生電壓時(shí)，需要通過(guò)1kΩ左右的電阻進(jìn)行放電。3對(duì)儲(chǔ)存較長(zhǎng)時(shí)間（超過(guò)2年）的貼片鋁電解電容，其漏電流可能會(huì)增大。若漏電流增大，請(qǐng)使用1kΩ左右電阻做充電處理。4將貼片鋁電解電容安裝在PC板之前，請(qǐng)確認(rèn)其規(guī)格（靜電容量及額定電壓）與極性5請(qǐng)不要將貼片鋁電解電容掉在地上，或不要使用掉在地上的貼片鋁電解電容。6安裝是不要損傷貼片鋁電解電容7請(qǐng)留意自動(dòng)插入的機(jī)械手力量不宜過(guò)大。8請(qǐng)注意貼片機(jī)的吸頭，產(chǎn)品檢測(cè)夾具或?qū)χ醒b置對(duì)貼片鋁電解電容的機(jī)械沖擊。9過(guò)回流焊的時(shí)候請(qǐng)遵守本產(chǎn)品目錄中的“回流焊條件”，當(dāng)使用紅外線加熱時(shí)，請(qǐng)注意加熱程度，因?yàn)榧t外線吸收率隨著電容器的顏色和大小的不同而改變的10當(dāng)貼片鋁電解電容焊接在PC板上之后，不要在扭動(dòng)或傾斜貼片鋁電解電容。11不要用手抓住焊接后的貼片鋁電解電容去搬動(dòng)PC板12請(qǐng)?jiān)诤附雍蟛灰屓魏挝锲放c貼片鋁電解電容接觸，如PC板堆放儲(chǔ)存，請(qǐng)確保PC板及其他零部件不與貼片鋁電解電容接觸。焊接后的貼片鋁電解電容不應(yīng)受到任何以焊接PC板或其他零件熱輻射的影響。南京編帶貼片電容生產(chǎn)設(shè)備</p><p style="text-indent:25px">蘇州海之源電子有限公司致力于電子元器件，是一家生產(chǎn)型公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下電容，電解電容，鋁電解電容，鋁電解電容器深受客戶的喜愛(ài)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造電子元器件良好品牌。蘇州海之源電子立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2452742.html</p></div></div></div></div></div><div id="raspwd8" class="page-right twoColRt"><div id="3amjbdp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="shebdam" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="scebdkm" class="recomPic likePro"><a 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