如何判斷(duan)電(dian)(dian)解(jie)電(dian)(dian)容(rong)(rong)器(qi)(qi)的(de)(de)(de)正(zheng)(zheng)負(fu)極(ji)(ji)(ji)電(dian)(dian)容(rong)(rong)應該是電(dian)(dian)子元器(qi)(qi)件中較熟悉的(de)(de)(de)。它們(men)(men)用(yong)途普遍(bian)，功(gong)能各異。現在，我們(men)(men)來(lai)談談電(dian)(dian)解(jie)電(dian)(dian)容(rong)(rong)器(qi)(qi)，它是所(suo)有電(dian)(dian)容(rong)(rong)器(qi)(qi)中應用(yong)較普遍(bian)的(de)(de)(de)電(dian)(dian)容(rong)(rong)器(qi)(qi)。電(dian)(dian)解(jie)電(dian)(dian)容(rong)(rong)和(he)其他電(dian)(dian)容(rong)(rong)比較大(da)的(de)(de)(de)區(qu)別(bie)就(jiu)是電(dian)(dian)解(jie)電(dian)(dian)容(rong)(rong)有正(zheng)(zheng)負(fu)極(ji)(ji)(ji)，在DC電(dian)(dian)路(lu)中一旦使用(yong)就(jiu)有炸的(de)(de)(de)危險，所(suo)以(yi)現在我們(men)(men)來(lai)看看如何判斷(duan)電(dian)(dian)解(jie)電(dian)(dian)容(rong)(rong)的(de)(de)(de)正(zheng)(zheng)負(fu)極(ji)(ji)(ji)。螺(luo)栓(shuan)電(dian)(dian)解(jie)電(dian)(dian)容(rong)(rong)器(qi)(qi)螺(luo)栓(shuan)型鋁電(dian)(dian)解(jie)電(dian)(dian)容(rong)(rong)器(qi)(qi)在套管(guan)上(shang)有明顯的(de)(de)(de)正(zheng)(zheng)負(fu)標(biao)志(zhi)，正(zheng)(zheng)極(ji)(ji)(ji)用(yong)“”表(biao)示，負(fu)極(ji)(ji)(ji)用(yong)“-”表(biao)示。大(da)多(duo)數螺(luo)栓(shuan)電(dian)(dian)容(rong)(rong)器(qi)(qi)在蓋(gai)板上(shang)的(de)(de)(de)端子旁邊標(biao)有“”和(he)“-”。鉭(tan)電(dian)(dian)容(rong)(rong)在電(dian)(dian)源(yuan)濾波、交流(liu)旁路(lu)等用(yong)途上(shang)少有競爭對手。蘇州(zhou)高壓電(dian)(dian)容(rong)(rong)批發

MLCC電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)(qi)(qi)的(de)(de)(de)(de)生產(chan)工(gong)藝非常嚴謹，每個(ge)細(xi)節(jie)都(dou)是不可忽視的(de)(de)(de)(de)關鍵。這些細(xi)致的(de)(de)(de)(de)工(gong)序(xu)是保(bao)(bao)(bao)證產(chan)品質(zhi)量的(de)(de)(de)(de)關鍵。無論任(ren)何一(yi)(yi)個(ge)細(xi)節(jie)，都(dou)必(bi)須嚴格按照生產(chan)工(gong)藝進(jin)行(xing)(xing)，保(bao)(bao)(bao)證每一(yi)(yi)個(ge)細(xi)節(jie)都(dou)能做到精細(xi)，這樣才能保(bao)(bao)(bao)證電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)(qi)(qi)的(de)(de)(de)(de)質(zhi)量，保(bao)(bao)(bao)證電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)(qi)(qi)的(de)(de)(de)(de)誤差小。層壓：層壓棒(bang)，棒(bang)用(yong)(yong)層壓袋包(bao)裝(zhuang)，抽(chou)真空封裝(zhuang)后，用(yong)(yong)等靜壓加壓，使棒(bang)內(nei)各層結合更緊(jin)密。切(qie)割(ge)：將層疊棒(bang)切(qie)割(ge)成(cheng)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)(qi)(qi)生坯。出膠：將綠色電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)放(fang)在烤(kao)盤上，按照一(yi)(yi)定的(de)(de)(de)(de)溫(wen)度(du)曲線(xian)進(jin)行(xing)(xing)高(gao)(gao)溫(wen)烘烤(kao)(最高(gao)(gao)溫(wen)度(du)一(yi)(yi)般在400左右(you))，去(qu)(qu)除(chu)芯片中的(de)(de)(de)(de)粘合劑(ji)(ji)等有機物(wu)(wu)。脫(tuo)膠功能：1)去(qu)(qu)除(chu)芯片中的(de)(de)(de)(de)粘性有機物(wu)(wu)，避免燒(shao)成(cheng)時有機物(wu)(wu)快速揮發造成(cheng)產(chan)品脫(tuo)層、開裂，保(bao)(bao)(bao)證燒(shao)成(cheng)所需形狀(zhuang)的(de)(de)(de)(de)完整瓷件。2)消除(chu)燒(shao)制(zhi)過(guo)程(cheng)中粘合劑(ji)(ji)的(de)(de)(de)(de)還原作用(yong)(yong)。燒(shao)結：脫(tuo)膠后的(de)(de)(de)(de)芯片經過(guo)高(gao)(gao)溫(wen)處理，燒(shao)結溫(wen)度(du)一(yi)(yi)般在1140-1340之間，使其成(cheng)為機械強(qiang)度(du)高(gao)(gao)、電(dian)(dian)(dian)(dian)性能優良的(de)(de)(de)(de)陶(tao)瓷體。北京高(gao)(gao)介電(dian)(dian)(dian)(dian)常數(shu)(shu)型(xing)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)哪家好(hao)電(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)(qi)(qi)多數(shu)(shu)采用(yong)(yong)卷(juan)繞(rao)結構，很(hen)容(rong)(rong)(rong)(rong)易(yi)擴大(da)體積，因(yin)此(ci)單(dan)位體積電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)量非常大(da)，比(bi)其它電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)大(da)幾(ji)倍到幾(ji)十倍。

理(li)想的(de)(de)(de)(de)高(gao)頻和(he)低(di)(di)阻(zu)抗特性：聚(ju)(ju)合(he)物(wu)固體電(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)容(rong)器(qi)(qi)具(ju)有極(ji)低(di)(di)的(de)(de)(de)(de)損耗和(he)理(li)想的(de)(de)(de)(de)高(gao)頻低(di)(di)阻(zu)抗特性，廣泛應用于去耦、濾波(bo)(bo)等電(dian)(dian)(dian)路(lu)，效果(guo)(guo)埋沒，尤其是高(gao)頻濾波(bo)(bo)效果(guo)(guo)較好。通(tong)過(guo)一個實驗(yan)可以更直觀、更清楚(chu)地看到，聚(ju)(ju)合(he)物(wu)固體鋁電(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)容(rong)器(qi)(qi)的(de)(de)(de)(de)高(gao)頻特性與普通(tong)電(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)容(rong)器(qi)(qi)有明顯(xian)的(de)(de)(de)(de)區別。在(zai)平滑電(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)輸(shu)入(ru)端疊加一個1MHz(峰間電(dian)(dian)(dian)壓8V)的(de)(de)(de)(de)高(gao)頻干擾信(xin)號，通(tong)過(guo)47uF的(de)(de)(de)(de)聚(ju)(ju)合(he)物(wu)固體電(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)容(rong)進(jin)行(xing)濾波(bo)(bo)，可以將噪聲降低(di)(di)到只有30mV的(de)(de)(de)(de)峰間電(dian)(dian)(dian)壓輸(shu)出。要(yao)達到同樣的(de)(de)(de)(de)濾波(bo)(bo)效果(guo)(guo)，需(xu)要(yao)并聯4個1000uF的(de)(de)(de)(de)普通(tong)液體鋁電(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)容(rong)器(qi)(qi)或3個100UF的(de)(de)(de)(de)鉭電(dian)(dian)(dian)容(rong)器(qi)(qi)。此(ci)外，在(zai)高(gao)頻濾波(bo)(bo)效果(guo)(guo)更好的(de)(de)(de)(de)情(qing)況下，高(gao)分子(zi)(zi)聚(ju)(ju)合(he)物(wu)固體鋁電(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)容(rong)器(qi)(qi)的(de)(de)(de)(de)體積明顯(xian)小于普通(tong)型鋁電(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)容(rong)器(qi)(qi)。隨著(zhu)工藝不斷提升，高(gao)分子(zi)(zi)聚(ju)(ju)合(he)物(wu)固體鋁電(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)容(rong)器(qi)(qi)優勢逐步顯(xian)現。同時，價格(ge)也需(xu)要(yao)進(jin)一步優化。

鉭(tan)(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)以較小的(de)物(wu)理(li)尺寸為設計工程師提供了盡可能(neng)高(gao)的(de)容(rong)(rong)(rong)(rong)(rong)量(liang)，47f至1000f的(de)容(rong)(rong)(rong)(rong)(rong)量(liang)范(fan)圍具有體(ti)積優(you)勢，因此鉭(tan)(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)在高(gao)集成度和需要使(shi)用(yong)大(da)(da)容(rong)(rong)(rong)(rong)(rong)量(liang)低ESR的(de)場(chang)景中有其獨特的(de)優(you)勢。大(da)(da)容(rong)(rong)(rong)(rong)(rong)量(liang)低耐壓鉭(tan)(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器的(de)替(ti)代產品(pin)：聚合物(wu)固(gu)(gu)體(ti)鋁電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器與(yu)傳統(tong)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器相(xiang)比，聚合物(wu)固(gu)(gu)體(ti)鋁電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器采用(yong)高(gao)導(dao)電(dian)(dian)(dian)(dian)(dian)性、高(gao)穩定性的(de)導(dao)電(dian)(dian)(dian)(dian)(dian)高(gao)分子材料作(zuo)為固(gu)(gu)體(ti)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)質，代替(ti)傳統(tong)鋁電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器中的(de)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)質。用(yong)于聚合物(wu)固(gu)(gu)體(ti)鋁電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器的(de)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)質具有高(gao)導(dao)電(dian)(dian)(dian)(dian)(dian)性。再(zai)加上其獨特的(de)結構設計，較大(da)(da)改(gai)善了傳統(tong)液體(ti)鋁電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器的(de)缺點，表現出(chu)優(you)異(yi)的(de)特性。鋁電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器由于在負荷(he)工作(zuo)過程中電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液不(bu)斷修(xiu)補并增(zeng)厚陽極氧化(hua)膜(mo)（稱為補形效應），會導(dao)致電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)量(liang)的(de)下(xia)降。

MLCC特征(zheng):MLCC具有體積小、電(dian)容(rong)大、高頻使(shi)用時(shi)損失(shi)率(lv)低、易于(yu)芯(xin)片化、適合(he)大批量生產(chan)(chan)、價格低、穩定性(xing)高等特點。在信息產(chan)(chan)品輕薄(bo)短小，表(biao)面(mian)貼(tie)裝技(ji)術(SMT)應用日益普及的(de)(de)市場環(huan)境下，其使(shi)用量極(ji)其巨大。MLCC工藝流(liu)程(cheng):MLCC制造工藝：以電(dian)子陶(tao)瓷(ci)材料為介質，將(jiang)(jiang)預(yu)制好的(de)(de)陶(tao)瓷(ci)漿料流(liu)延制成(cheng)(cheng)(cheng)所需厚度的(de)(de)陶(tao)瓷(ci)介質膜(mo)，然后(hou)在介質膜(mo)上放置(zhi)印刷(shua)內電(dian)極(ji)，將(jiang)(jiang)印刷(shua)有內電(dian)極(ji)的(de)(de)陶(tao)瓷(ci)介質膜(mo)交替堆疊(die)并熱(re)壓(ya)成(cheng)(cheng)(cheng)多個并聯的(de)(de)電(dian)容(rong)器(qi)，然后(hou)在高溫下一次(ci)燒結成(cheng)(cheng)(cheng)不可分割(ge)的(de)(de)整體芯(xin)片，然后(hou)在芯(xin)片的(de)(de)端部涂上外部電(dian)極(ji)漿料，使(shi)其與內部電(dian)極(ji)電(dian)連(lian)接，形成(cheng)(cheng)(cheng)MLCC的(de)(de)兩極(ji)。電(dian)容(rong)器(qi)的(de)(de)電(dian)容(rong)量的(de)(de)基本單位是(shi)法(fa)拉(F)。在電(dian)路圖中通常(chang)用字母C表(biao)示電(dian)容(rong)元件。江蘇貼(tie)片電(dian)阻廠家

當電容器內部的連接性能變差或失效時，通常(chang)就會發生開路(lu)。蘇州高(gao)壓電容批發

疊(die)(die)層印刷(shua)技(ji)術(shu)(多層介質(zhi)(zhi)薄(bo)膜疊(die)(die)層印刷(shua))，如何在0805、0603、0402等(deng)小尺寸基礎上制(zhi)(zhi)造(zao)更(geng)高電容值的(de)(de)(de)(de)MLCC一(yi)直是MLCC業界(jie)的(de)(de)(de)(de)重(zhong)要課(ke)題之(zhi)一(yi)，近幾年(nian)隨著材料、工(gong)(gong)藝(yi)和設備(bei)水(shui)平的(de)(de)(de)(de)不斷改進(jin)提高，日(ri)本公司已(yi)在2μm的(de)(de)(de)(de)薄(bo)膜介質(zhi)(zhi)上疊(die)(die)1000層工(gong)(gong)藝(yi)實踐，生(sheng)產出單(dan)層介質(zhi)(zhi)厚(hou)度(du)為1μm的(de)(de)(de)(de)100μFMLCC，它具有比片式鉭(tan)電容器更(geng)低(di)的(de)(de)(de)(de)ESR值，工(gong)(gong)作溫(wen)度(du)更(geng)寬(-55℃-125℃)。表示國(guo)內MLCC制(zhi)(zhi)作較高水(shui)平的(de)(de)(de)(de)風華高科公司能夠完成(cheng)流延成(cheng)3μm厚(hou)的(de)(de)(de)(de)薄(bo)膜介質(zhi)(zhi)，燒結成(cheng)瓷后2μm厚(hou)介質(zhi)(zhi)的(de)(de)(de)(de)MLCC，與國(guo)外(wai)先(xian)進(jin)的(de)(de)(de)(de)疊(die)(die)層印刷(shua)技(ji)術(shu)還(huan)有一(yi)定差距。當然除了(le)具備(bei)可以用于多層介質(zhi)(zhi)薄(bo)膜疊(die)(die)層印刷(shua)的(de)(de)(de)(de)粉料之(zhi)外(wai)，設備(bei)的(de)(de)(de)(de)自動化(hua)程度(du)、精度(du)還(huan)有待(dai)提高。蘇州(zhou)高壓(ya)電容批發

江(jiang)蘇芯(xin)聲微(wei)電(dian)子(zi)科(ke)技有(you)限(xian)公司依托可靠的(de)品(pin)質，旗下(xia)品(pin)牌芯(xin)聲微(wei)以高質量的(de)服(fu)務獲得廣大(da)受眾的(de)青睞。旗下(xia)芯(xin)聲微(wei)在(zai)(zai)電(dian)子(zi)元(yuan)器(qi)件(jian)行業擁有(you)一定的(de)地位，品(pin)牌價值持續(xu)增長(chang)，有(you)望成為(wei)行業中的(de)佼(jiao)佼(jiao)者。同(tong)時(shi)，企(qi)業針對(dui)用戶，在(zai)(zai)電(dian)容(rong)，電(dian)感，電(dian)阻，其它(ta)電(dian)子(zi)元(yuan)器(qi)件(jian)等幾大(da)領(ling)域(yu)(yu)，提供(gong)更(geng)(geng)多(duo)(duo)、更(geng)(geng)豐富的(de)電(dian)子(zi)元(yuan)器(qi)件(jian)產品(pin)，進一步為(wei)全國更(geng)(geng)多(duo)(duo)單位和(he)企(qi)業提供(gong)更(geng)(geng)具針對(dui)性的(de)電(dian)子(zi)元(yuan)器(qi)件(jian)服(fu)務。江(jiang)蘇芯(xin)聲微(wei)始終保持在(zai)(zai)電(dian)子(zi)元(yuan)器(qi)件(jian)領(ling)域(yu)(yu)優(you)先的(de)前(qian)提下(xia)，不斷優(you)化(hua)業務結構(gou)。在(zai)(zai)電(dian)容(rong)，電(dian)感，電(dian)阻，其它(ta)電(dian)子(zi)元(yuan)器(qi)件(jian)等領(ling)域(yu)(yu)承攬了(le)一大(da)批高精尖(jian)項目，積極為(wei)更(geng)(geng)多(duo)(duo)電(dian)子(zi)元(yuan)器(qi)件(jian)企(qi)業提供(gong)服(fu)務。

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