N0676YS180专N0676YS200业N0734YS120销N0734YS160售N0782YS120

N0676YS180专N0676YS200业N0734YS120销N0734YS160售N0782YS120

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型号 N0782YS120
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苏州创芯奇半导体有限公司
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主营:
IGBT 可控硅、晶闸管、GTR、IPM、PIM、快恢复二极管、整流桥、电解电容、 驱动电路、MOS

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联系人:王先生

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地址: 江苏苏州市昆山市昆山开发区夏荷路99号港龙商务大厦2号楼720室

产品详情

  苏州创芯奇半导体有限公司

  电压测方法

  可控硅为什么其有“以小控大”的可控性呢?下面我们用图表-27来简单分析可控硅的工作原理。

  首先,可以把从阴极向上数的、二、三层看面是一只NPN型号晶体管,而二、三四层组成另一只PNP型晶体管。其中第二、第三层为两管交迭共用。当在阳极和阴极之间加上一个,又在控制极G和之间(相当BG1的基一射间)输入一个正的触发信号,BG1将产生电流Ib1,经放大,BG1将有一个放大了β1倍的电流IC1。因为BG1集电极与BG2基极相连,IC1又是BG2的基极电流Ib2。BG2又把比Ib2(Ib1)放大了β2的集电极电流IC2送回BG1的基极放大。如此循环放大,直到BG1、BG2完全导通。实际这一过程是“一触即发”的过程,对可控硅来说,触发信号加入,可控硅立即导通。导通的时间主要决定于可控硅的性能。

  优势代理产品为大功 率平板式晶闸管、可控硅、二极管、IGBT,

  品牌 如EUPEC、西 门康、西码 、三菱、ABB、三社、IR、 明纬开关电源等国外功率模块。

  在国 内严格按照国际标准生产:ZP型普通整流管、ZK型 快速整流管、KP型普通晶闸管、

  KS型双向晶闸管、KK型快 速晶闸管、KG型高 频 晶闸 管、桥式整流器、电力模块、肖特基模块、

  SF超快恢复二极管、电焊 机专用模块、固态继电器、固态调压器、型材散热器等电力半导体器件。

  本公司坚持以‘诚信为本、质量首位、价格合理’的经营理念

  期待与贵公司的合作,一步一个脚印,做大做强,再创辉煌!

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