陶瓷電容,瓷片電容和貼片電容的區別是什么
隨(sui)著電(dian)(dian)子行業快速發展(zhan),電(dian)(dian)容的應用越來(lai)越精細化(hua),并且還在不(bu)斷的延伸。就目前市場而言,電(dian)(dian)容的種類已經非常多,比如(ru)應用較多的陶瓷電(dian)(dian)容、瓷片電(dian)(dian)容和貼片電(dian)(dian)容。
陶瓷電(dian)(dian)容、瓷片(pian)電(dian)(dian)容和(he)貼片(pian)電(dian)(dian)容雖然從大方(fang)面(mian)說都是電(dian)(dian)容,但卻都有自己各(ge)自的應用領域。那(nei)么,陶瓷電(dian)(dian)容、瓷片(pian)電(dian)(dian)容和(he)貼片(pian)電(dian)(dian)容究竟(jing)都有哪些區別?下面(mian)一(yi)起來看(kan)(kan)看(kan)(kan)。

一、制作材料介質不同
陶(tao)瓷(ci)(ci)電(dian)(dian)容主要(yao)是用(yong)高介電(dian)(dian)常數(shu)的(de)電(dian)(dian)容器(qi)陶(tao)瓷(ci)(ci)〈鈦酸鋇、一氧化鈦〉擠(ji)壓成圓(yuan)管(guan)、圓(yuan)片(pian)或圓(yuan)盤作為(wei)介質(zhi),并用(yong)燒滲法將銀鍍在陶(tao)瓷(ci)(ci)上作為(wei)電(dian)(dian)極制成,可分為(wei)高頻瓷(ci)(ci)介和(he)低(di)頻瓷(ci)(ci)介兩種(zhong)。
瓷片電(dian)容是(shi)一(yi)種用(yong)陶(tao)瓷材料作(zuo)為介質,在陶(tao)瓷表面(mian)涂(tu)覆(fu)一(yi)層金屬(shu)薄膜,再經高溫燒結(jie)后作(zuo)為電(dian)極而成的電(dian)容器。
貼片(pian)電容又(you)稱之為多層(積層,疊(die)層)片(pian)式(shi)陶瓷電容器(qi)(qi),主要分為NPO電容器(qi)(qi)、X7R電容器(qi)(qi)、Z5U電容器(qi)(qi)和Y5V電容器(qi)(qi)。

二、主要優(you)劣勢區(qu)別對比
陶瓷電(dian)容(rong)的優勢:使用溫度較(jiao)高,比容(rong)量大(da),耐潮濕性好,介(jie)質損(sun)耗較(jiao)小,電(dian)容(rong)溫度系數可(ke)在(zai)大(da)范圍(wei)內選擇。
陶(tao)瓷電容(rong)的缺點(dian):介質(zhi)結瘤、介質(zhi)空(kong)洞(dong)。
瓷(ci)片(pian)電容(rong)的優點:穩定(ding)性高、絕緣性好(hao)、高頻特性好(hao)、耐高壓(ya)。
瓷片電容的缺點:容量比(bi)較(jiao)小。
貼片電容的優點:容量誤差小體積小、寄生電感小、易于(yu)用到高頻電路(lu)中。
貼片(pian)電(dian)容的缺點(dian):容量(liang)小、耐電(dian)壓不夠高、電(dian)流小。

三(san)、應用領域不同
陶瓷電(dian)(dian)容應(ying)用(yong)非常廣泛,包括軍(jun)工(gong)(如航天(tian)航空(kong))、工(gong)業(ye)(醫療電(dian)(dian)子設備、汽(qi)車電(dian)(dian)子)和消費電(dian)(dian)器(筆(bi)記本電(dian)(dian)腦、電(dian)(dian)視機(ji)、手機(ji))等產(chan)品。
瓷片電容通常(chang)用(yong)于高(gao)穩定振蕩回(hui)路(lu)中,作為回(hui)路(lu)、旁路(lu)電容器及墊整電容器。
貼(tie)片電(dian)容(rong)是一種(zhong)特殊材料(liao)制成的無引腳微(wei)型電(dian)容(rong),可應用在各種(zhong)微(wei)電(dian)子(zi)電(dian)路中。
四、三者(zhe)之(zhi)間(jian)的區(qu)別聯系
瓷(ci)(ci)片電(dian)容(rong)高頻(pin)特(te)性好,但(dan)電(dian)容(rong)值最大只能做到(dao)0.1uF,其實(shi)瓷(ci)(ci)片電(dian)容(rong)也屬于(yu)陶(tao)瓷(ci)(ci)電(dian)容(rong)的一(yi)種(zhong),因為(wei)瓷(ci)(ci)片電(dian)容(rong)是(shi)(shi)指(zhi)采用陶(tao)瓷(ci)(ci)為(wei)介質的片狀結構電(dian)容(rong),陶(tao)瓷(ci)(ci)電(dian)容(rong)是(shi)(shi)指(zhi)采用陶(tao)瓷(ci)(ci)介質的電(dian)容(rong)統稱,所以后(hou)者包含(han)前(qian)者。
貼(tie)片電(dian)(dian)(dian)容(rong)的命名需要(yao)包(bao)含(han)的參(can)數(shu)有(you)貼(tie)片電(dian)(dian)(dian)容(rong)的尺寸(cun)、材質、精確度、電(dian)(dian)(dian)壓、容(rong)量、端頭(tou)、包(bao)裝等。此外(wai),貼(tie)片電(dian)(dian)(dian)容(rong)也可稱做貼(tie)片陶瓷電(dian)(dian)(dian)容(rong),說白了就(jiu)是貼(tie)片式陶瓷電(dian)(dian)(dian)容(rong),屬(shu)于陶瓷電(dian)(dian)(dian)容(rong)的一種。
所以(yi),從大方面來(lai)看,陶瓷電(dian)(dian)容包含(han)了瓷片(pian)電(dian)(dian)容和貼片(pian)電(dian)(dian)容,只是外(wai)在的表現形式不一樣。反過來(lai)說,瓷片(pian)電(dian)(dian)容和貼片(pian)電(dian)(dian)容是陶瓷電(dian)(dian)容衍生細分(fen)化的結果。
五、總結
以上(shang)就是(shi)關于陶瓷(ci)電容、瓷(ci)片電容和(he)貼(tie)片電容之間(jian)的區(qu)別(bie)聯系(xi)(xi),其(qi)實(shi)從它們之間(jian)的使用特(te)性和(he)應(ying)(ying)用范(fan)圍來看(kan),應(ying)(ying)該還是(shi)比較好區(qu)分的,也就是(shi)包含(han)與被(bei)包含(han)的關系(xi)(xi)。
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