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揭秘:?陶瓷氣體放電管與玻璃氣體放電管的區別

Update time:2019-05-04

所(suo)謂氣(qi)體(ti)(ti)放(fang)電(dian)(dian)管(guan),就是(shi)一(yi)(yi)種常見的(de)電(dian)(dian)壓擊(ji)穿型浪涌防護器(qi)件,結(jie)構部(bu)件單一(yi)(yi)。說(shuo)起氣(qi)體(ti)(ti)放(fang)電(dian)(dian)管(guan),很多(duo)小(xiao)伙伴們不(bu)約而(er)同(tong)能說(shuo)出了陶瓷氣(qi)體(ti)(ti)放(fang)電(dian)(dian)管(guan)和(he)玻(bo)璃氣(qi)體(ti)(ti)放(fang)電(dian)(dian)管(guan)。那么,關于這兩者之間的(de)關系,有什(shen)么共同(tong)點(dian)(dian)和(he)不(bu)同(tong)點(dian)(dian)呢?針對這個話(hua)題,陶瓷氣(qi)體(ti)(ti)放(fang)電(dian)(dian)管(guan)廠家(jia)東沃電(dian)(dian)子,為您娓娓道(dao)來。

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陶瓷氣體放電管PK玻璃氣體放電管

氣(qi)體(ti)(ti)放(fang)(fang)電(dian)(dian)管按照(zhao)封裝方(fang)式(shi),可分(fen)為陶瓷氣(qi)體(ti)(ti)放(fang)(fang)電(dian)(dian)管(GDT)和(he)(he)玻璃氣(qi)體(ti)(ti)放(fang)(fang)電(dian)(dian)管(SPG)。兩者在工作原理上都是氣(qi)體(ti)(ti)放(fang)(fang)電(dian)(dian);同時,反(fan)應(ying)速度快、絕緣電(dian)(dian)阻高、導通后電(dian)(dian)壓低、性能穩定可靠、體(ti)(ti)積小、壽命長等(deng)是GDT和(he)(he)SPG共有的(de)(de)特性。由于GDT和(he)(he)SPG在結構上的(de)(de)差異(yi),除了(le)材質的(de)(de)區(qu)別之外,還存(cun)在一些特性的(de)(de)差異(yi),具體(ti)(ti)表現在:

1)通流(liu)量:玻璃氣體放電管在(zai)8/20us波(bo)峰(feng)值電流(liu)只有(you)500A、1KA、3KA;陶瓷氣體放電管常(chang)用的又5KA、10KA、20KA,甚至達到100KA以上,通流(liu)量大。

2)結電(dian)容:陶瓷氣體放電(dian)管(guan)的結電(dian)容與玻璃氣體放電(dian)管(guan)相比(bi),要高些;SPG的結電(dian)容在0.8pF。

3)響(xiang)(xiang)應時間(jian):由于SPG內部是由半導(dao)體(ti)硅集成的,所以在響(xiang)(xiang)應時間(jian)方面,SPG的響(xiang)(xiang)應速(su)度要比GDT短。

4)擊(ji)穿電壓精(jing)準(zhun)度(du):GDT的擊(ji)穿電壓精(jing)準(zhun)度(du)要(yao)比SPG低。

5)脈(mo)沖(chong)擊穿電(dian)壓:SPG的脈(mo)沖(chong)擊穿電(dian)壓最(zui)高可達到5KV,GDT相比SPG要低。

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陶瓷氣體放電管和玻璃氣體放電管哪個性能好?

關于陶瓷氣體放電(dian)(dian)(dian)管和(he)玻璃氣體放電(dian)(dian)(dian)管這兩(liang)種電(dian)(dian)(dian)路防(fang)(fang)護(hu)元件(jian)選擇的問題,防(fang)(fang)雷(lei)、防(fang)(fang)浪涌、防(fang)(fang)靜電(dian)(dian)(dian)專家(jia)東沃(wo)電(dian)(dian)(dian)子認為(wei),在(zai)同樣的脈沖電(dian)(dian)(dian)壓下,如果電(dian)(dian)(dian)流小于3KA的情況下,可(ke)以優先使(shi)用玻璃氣體放電(dian)(dian)(dian)管,更(geng)適用于在(zai)更(geng)高頻(pin)段的天饋系統。如果電(dian)(dian)(dian)流在(zai)3KA以上,只能選擇陶瓷氣體放電(dian)(dian)(dian)管。

從壽命和性(xing)能上考(kao)慮,說實話,陶瓷氣體(ti)放(fang)電(dian)管優越于玻(bo)璃氣體(ti)放(fang)電(dian)管。信號接口(kou)的(de)(de)過(guo)壓保(bao)護過(guo)程中,需要(yao)采用(yong)(yong)多級(ji)協同(tong)式保(bao)護電(dian)路,前(qian)級(ji)保(bao)護措施往往采用(yong)(yong)的(de)(de)是(shi)陶瓷氣體(ti)放(fang)電(dian)管進(jin)行大通流(liu)能量的(de)(de)泄放(fang),起到泄放(fang)雷電(dian)暫態(tai)過(guo)電(dian)流(liu)和限制過(guo)電(dian)壓的(de)(de)作用(yong)(yong)。

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陶瓷氣體放電管,總有一款適合您

接踵(zhong)而至(zhi)的問題來(lai)(lai)了,采購陶瓷(ci)氣體放電管(guan),哪家品牌供應商好呢?如何選(xuan)(xuan)擇合適型號的GDT呢?目前,市面上從事(shi)放電管(guan)的供應商大大小小不計其數,質量參(can)差不齊,更多選(xuan)(xuan)擇的背后,帶(dai)來(lai)(lai)的卻是更多的迷茫和不知所(suo)措。

柳暗花明又一村,東(dong)沃電(dian)(dian)(dian)子(zi)(zi),一家專注(zhu)于電(dian)(dian)(dian)路(lu)(lu)(lu)保(bao)護器(qi)件(jian)自主研發、生產、銷售的(de)市高新技術企(qi)業,在電(dian)(dian)(dian)路(lu)(lu)(lu)保(bao)護器(qi)件(jian)的(de)實(shi)際應用方面擁有豐(feng)富的(de)實(shi)戰經驗,能夠實(shi)時地解決客戶的(de)痛點(dian)問題,根據電(dian)(dian)(dian)路(lu)(lu)(lu)解決方案選擇合適電(dian)(dian)(dian)路(lu)(lu)(lu)保(bao)護器(qi)件(jian),只(zhi)為客戶的(de)電(dian)(dian)(dian)路(lu)(lu)(lu)更安全。東(dong)沃電(dian)(dian)(dian)子(zi)(zi)研發、生產、銷售的(de)陶瓷(ci)(ci)氣體(ti)放(fang)電(dian)(dian)(dian)管(guan)(guan)有:貼片陶瓷(ci)(ci)氣體(ti)放(fang)電(dian)(dian)(dian)管(guan)(guan)、開關陶瓷(ci)(ci)氣體(ti)放(fang)電(dian)(dian)(dian)管(guan)(guan)、直插陶瓷(ci)(ci)氣體(ti)放(fang)電(dian)(dian)(dian)管(guan)(guan)三(san)極(ji)(ji)管(guan)(guan)、直插陶瓷(ci)(ci)氣體(ti)放(fang)電(dian)(dian)(dian)管(guan)(guan)二極(ji)(ji)管(guan)(guan)。品質(zhi)卓越、型號齊全、現貨庫(ku)存、交貨期短(duan)、售后(hou)及時、服務優質(zhi),東(dong)沃電(dian)(dian)(dian)子(zi)(zi),是您的(de)不二之(zhi)選。

欲想了(le)解更多有關陶瓷氣體(ti)放電管的知識,東沃電子FAE工程師,隨時(shi)恭候(hou)您(nin)的蒞臨!!!

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