當電(dian)(dian)(dian)(dian)容(rong)(rong)器的(de)(de)內部連接(jie)性能(neng)惡(e)化(hua)或(huo)失效(xiao)(xiao)(xiao)時，通常(chang)會(hui)(hui)出現開(kai)路。電(dian)(dian)(dian)(dian)氣連接(jie)的(de)(de)惡(e)化(hua)可(ke)能(neng)是由腐(fu)蝕、振(zhen)動或(huo)機械(xie)應(ying)力(li)引起(qi)的(de)(de)。鋁(lv)電(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)器在(zai)高溫(wen)或(huo)濕熱環境下(xia)工(gong)(gong)作時，陽極(ji)(ji)引出箔(bo)可(ke)能(neng)因(yin)電(dian)(dian)(dian)(dian)化(hua)學腐(fu)蝕而(er)斷裂。陽極(ji)(ji)引出箔(bo)與(yu)陽極(ji)(ji)箔(bo)接(jie)觸不良也會(hui)(hui)造成電(dian)(dian)(dian)(dian)容(rong)(rong)器間(jian)歇性開(kai)路。1)在(zai)工(gong)(gong)作初期，鋁(lv)電(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)器的(de)(de)電(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)(ye)在(zai)負載工(gong)(gong)作過(guo)程中會(hui)(hui)不斷修復和(he)(he)增(zeng)厚陽極(ji)(ji)氧(yang)化(hua)膜(mo)(稱為填形效(xiao)(xiao)(xiao)應(ying))，導致(zhi)電(dian)(dian)(dian)(dian)容(rong)(rong)下(xia)降。2)在(zai)使(shi)用后期，由于電(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)(ye)損耗(hao)(hao)大，溶液(ye)(ye)變(bian)稠，電(dian)(dian)(dian)(dian)阻(zu)(zu)率增(zeng)大，增(zeng)加(jia)了(le)等(deng)效(xiao)(xiao)(xiao)串聯電(dian)(dian)(dian)(dian)阻(zu)(zu)和(he)(he)電(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)(ye)損耗(hao)(hao)。同時，隨著溶液(ye)(ye)粘度的(de)(de)增(zeng)加(jia)，鋁(lv)箔(bo)表(biao)面(mian)不均勻的(de)(de)氧(yang)化(hua)膜(mo)難以(yi)充(chong)分接(jie)觸，減少(shao)了(le)電(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)器的(de)(de)有效(xiao)(xiao)(xiao)極(ji)(ji)板面(mian)積，導致(zhi)電(dian)(dian)(dian)(dian)容(rong)(rong)量下(xia)降。此(ci)外，在(zai)低溫(wen)下(xia)工(gong)(gong)作時，電(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)(ye)的(de)(de)粘度也會(hui)(hui)增(zeng)加(jia)，導致(zhi)電(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)損耗(hao)(hao)增(zeng)加(jia)，電(dian)(dian)(dian)(dian)容(rong)(rong)下(xia)降。電(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)器多數(shu)采用卷(juan)繞結(jie)構，很容(rong)(rong)易(yi)擴大體積，因(yin)此(ci)單位(wei)體積電(dian)(dian)(dian)(dian)容(rong)(rong)量非常(chang)大，比其(qi)它電(dian)(dian)(dian)(dian)容(rong)(rong)大幾(ji)倍(bei)到幾(ji)十(shi)倍(bei)。南京MLCC電(dian)(dian)(dian)(dian)容(rong)(rong)品牌

電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)類(lei)型由(you)于(yu)同(tong)一種介質的(de)極(ji)(ji)化類(lei)型不(bu)(bu)同(tong)，其(qi)對電(dian)(dian)(dian)(dian)場(chang)變(bian)化的(de)響應(ying)速度(du)和(he)極(ji)(ji)化率也不(bu)(bu)同(tong)。相(xiang)同(tong)體(ti)(ti)積下，容(rong)(rong)(rong)量不(bu)(bu)同(tong)，導致電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)的(de)介質損耗和(he)容(rong)(rong)(rong)量穩(wen)定(ding)(ding)性不(bu)(bu)同(tong)。材料(liao)的(de)溫(wen)度(du)穩(wen)定(ding)(ding)性按(an)容(rong)(rong)(rong)量可分為(wei)兩類(lei)，即I類(lei)陶(tao)(tao)(tao)瓷(ci)(ci)(ci)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)和(he)II類(lei)陶(tao)(tao)(tao)瓷(ci)(ci)(ci)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)。NPO屬(shu)(shu)于(yu)一級陶(tao)(tao)(tao)瓷(ci)(ci)(ci)，其(qi)他(ta)X7R、X5R、Y5V、Z5U都屬(shu)(shu)于(yu)二級陶(tao)(tao)(tao)瓷(ci)(ci)(ci)。陶(tao)(tao)(tao)瓷(ci)(ci)(ci)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)的(de)特性5.1電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)的(de)實際電(dian)(dian)(dian)(dian)路模(mo)型電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)作為(wei)基本元(yuan)件之(zhi)一，在(zai)實際生產(chan)中并不(bu)(bu)理想。會(hui)有(you)寄生電(dian)(dian)(dian)(dian)感和(he)等效(xiao)串(chuan)聯電(dian)(dian)(dian)(dian)阻。同(tong)時，由(you)于(yu)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)兩極(ji)(ji)板之(zhi)間的(de)介質不(bu)(bu)是相(xiang)對絕緣(yuan)的(de)，所以存在(zai)較大的(de)絕緣(yuan)電(dian)(dian)(dian)(dian)阻。浙江貼片固(gu)態(tai)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)生產(chan)廠家鉭電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)： 優點：體(ti)(ti)積小、電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)量較大、外形多樣(yang)、長壽命、高可靠(kao)性、工作溫(wen)度(du)范圍寬(kuan).

頻(pin)率特性：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)參量隨(sui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)場頻(pin)率一起(qi)變化的(de)(de)。高(gao)頻(pin)率工(gong)(gong)作的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)，其介電(dian)(dian)(dian)(dian)(dian)(dian)(dian)常(chang)數(shu)(shu)比(bi)(bi)低(di)頻(pin)率時小(xiao)(xiao)(xiao)，因(yin)此(ci)高(gao)頻(pin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流比(bi)(bi)低(di)頻(pin)率時低(di)。頻(pin)率越(yue)高(gao)，損耗也越(yue)大。此(ci)外(wai)，在高(gao)頻(pin)率工(gong)(gong)作時，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)的(de)(de)分布參數(shu)(shu)，如極(ji)片(pian)(pian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)、導線與極(ji)片(pian)(pian)之間的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)等，都會對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)的(de)(de)性能產生影響。這一切，使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)的(de)(de)使(shi)用(yong)頻(pin)率受(shou)到限制(zhi)。絕(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)：表示漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流大小(xiao)(xiao)(xiao)。通常(chang)，容(rong)量較小(xiao)(xiao)(xiao)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)，絕(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)可達數(shu)(shu)百(bai)兆歐姆或數(shu)(shu)千(qian)兆歐姆。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)一般是(shi)絕(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)小(xiao)(xiao)(xiao)。相對來說，絕(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)越(yue)大，漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流越(yue)小(xiao)(xiao)(xiao)。

鋁(lv)電(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)是一(yi)種非常(chang)常(chang)見的電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)。鋁(lv)電(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)應(ying)用普遍(bian)：濾波(bo)(bo)；旁(pang)路(lu)功(gong)(gong)能(neng)(neng)(neng)；耦(ou)合效(xiao)(xiao)應(ying)；沖(chong)擊波(bo)(bo)吸收；消除(chu)噪音(yin)；相移；下臺，以此類推。對于鋁(lv)電(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)，常(chang)見的電(dian)(dian)(dian)(dian)性(xing)(xing)能(neng)(neng)(neng)測試(shi)有電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)、損(sun)耗角正(zheng)切、漏(lou)(lou)(lou)電(dian)(dian)(dian)(dian)流(liu)、額定工作(zuo)電(dian)(dian)(dian)(dian)壓、阻(zu)抗等(deng)。失(shi)效(xiao)(xiao)分(fen)析(xi)案例中，有很多是關于鋁(lv)電(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)失(shi)效(xiao)(xiao)的案例。鋁(lv)電(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)常(chang)見的失(shi)效(xiao)(xiao)機理有哪些？1.泄(xie)(xie)(xie)漏(lou)(lou)(lou)在正(zheng)常(chang)使(shi)(shi)用環境下，經過一(yi)段時間的密封，可能(neng)(neng)(neng)會(hui)發(fa)生(sheng)泄(xie)(xie)(xie)漏(lou)(lou)(lou)。一(yi)般來說，溫度(du)升高、振動或密封缺陷都可能(neng)(neng)(neng)加速密封性(xing)(xing)能(neng)(neng)(neng)的惡化。漏(lou)(lou)(lou)電(dian)(dian)(dian)(dian)導致電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)減小，等(deng)效(xiao)(xiao)串聯電(dian)(dian)(dian)(dian)阻(zu)增(zeng)大(da)，功(gong)(gong)耗相應(ying)增(zeng)大(da)。泄(xie)(xie)(xie)漏(lou)(lou)(lou)使(shi)(shi)工作(zuo)電(dian)(dian)(dian)(dian)解(jie)液減少，失(shi)去修復陽極氧化膜介(jie)質(zhi)的能(neng)(neng)(neng)力，從(cong)而失(shi)去自愈功(gong)(gong)能(neng)(neng)(neng)。此外，由于電(dian)(dian)(dian)(dian)解(jie)液呈酸性(xing)(xing)，泄(xie)(xie)(xie)漏(lou)(lou)(lou)的電(dian)(dian)(dian)(dian)解(jie)液會(hui)污染(ran)和(he)腐蝕電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)和(he)印刷電(dian)(dian)(dian)(dian)路(lu)板周圍的其他元(yuan)件。當電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)(qi)(qi)內部的連接性(xing)(xing)能(neng)(neng)(neng)變差或失(shi)效(xiao)(xiao)時，通常(chang)就會(hui)發(fa)生(sheng)開路(lu)。

可(ke)(ke)靠度(du)等級(ji)開關電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)是一(yi)種由開關模式控制的(de)(de)(de)DC穩(wen)壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)。它體(ti)積小、重量(liang)輕(qing)、效(xiao)(xiao)(xiao)(xiao)率(lv)高，廣泛應(ying)用(yong)(yong)(yong)(yong)于各種通訊設備、家用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)、計算機及其終端設備。作(zuo)為(wei)具有(you)輸(shu)入(ru)濾波(bo)平滑功能的(de)(de)(de)鋁(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)，其質量(liang)和可(ke)(ke)靠性直接影(ying)響開關電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)(de)可(ke)(ke)靠性。鋁(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)一(yi)旦失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)，就會導(dao)致開關電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)(de)失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)。開關穩(wen)壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)用(yong)(yong)(yong)(yong)鋁(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)的(de)(de)(de)失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)模式包括擊(ji)(ji)穿(chuan)(chuan)失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)、開路失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)、漏液(ye)(ye)失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)和電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)參數超差失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)。其中，擊(ji)(ji)穿(chuan)(chuan)失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)分為(wei)介質擊(ji)(ji)穿(chuan)(chuan)和熱擊(ji)(ji)穿(chuan)(chuan)。對(dui)于大(da)功率(lv)大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)輸(shu)出(chu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)，熱擊(ji)(ji)穿(chuan)(chuan)失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)往(wang)往(wang)占一(yi)定比例。開關穩(wen)壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)用(yong)(yong)(yong)(yong)鋁(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)的(de)(de)(de)主(zhu)要失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)形(xing)式是電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)腐(fu)蝕導(dao)致鋁(lv)鉛條斷裂和電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)芯子(zi)干透。漏液(ye)(ye)是開關穩(wen)壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)用(yong)(yong)(yong)(yong)鋁(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)的(de)(de)(de)常見故(gu)障形(xing)式。由于惡劣的(de)(de)(de)使用(yong)(yong)(yong)(yong)環境(jing)和工(gong)作(zuo)條件，液(ye)(ye)體(ti)泄漏故(gu)障時有(you)發生。開關穩(wen)壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)用(yong)(yong)(yong)(yong)鋁(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)較(jiao)(jiao)常見的(de)(de)(de)失(shi)(shi)效(xiao)(xiao)(xiao)(xiao)模式是電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)減小、漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)增大(da)、損耗角正切增大(da)。MLCC成為(wei)使用(yong)(yong)(yong)(yong)數量(liang)較(jiao)(jiao)多的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)。廣東高頻濾波(bo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)廠(chang)家直銷

MLCC電容特點(dian)： 機械(xie)強度：硬而脆，這(zhe)是陶瓷材料(liao)的機械(xie)強度特點(dian)。南京(jing)MLCC電容品牌

MLCC的(de)主要(yao)應用領(ling)域MLCC可(ke)應用于各(ge)種(zhong)電(dian)路(lu)(lu)，如振蕩(dang)電(dian)路(lu)(lu)、定時或(huo)延遲電(dian)路(lu)(lu)、耦(ou)合電(dian)路(lu)(lu)、去耦(ou)電(dian)路(lu)(lu)、平滑濾波電(dian)路(lu)(lu)、抑制高頻(pin)噪聲等(deng)。MLCC工(gong)(gong)業(ye)(ye)(ye)的(de)下游幾乎涵蓋了(le)電(dian)子(zi)(zi)工(gong)(gong)業(ye)(ye)(ye)的(de)所有(you)領(ling)域，如消費電(dian)子(zi)(zi)、工(gong)(gong)業(ye)(ye)(ye)、通(tong)訊(xun)、汽車(che)和(he)等(deng)。MLCC是電(dian)子(zi)(zi)信(xin)息(xi)產(chan)業(ye)(ye)(ye)的(de)中心電(dian)子(zi)(zi)元器件之(zhi)一。它除了(le)具有(you)普通(tong)陶(tao)瓷(ci)電(dian)容(rong)(rong)器的(de)優點外(wai)，還具有(you)體(ti)積小(xiao)、容(rong)(rong)量大、機(ji)械強度(du)高、耐濕(shi)性好(hao)、內部電(dian)感(gan)小(xiao)、高頻(pin)特性好(hao)、可(ke)靠性高等(deng)一系列優點。可(ke)制成不(bu)同(tong)容(rong)(rong)量溫(wen)度(du)系數和(he)不(bu)同(tong)結構形(xing)式的(de)片式、管式、心形(xing)和(he)高壓電(dian)容(rong)(rong)器。南京MLCC電(dian)容(rong)(rong)品牌(pai)