或陶瓷封装。（中国福彩双色球五）按关断速度分类 晶闸管按其关断速度可分为普通晶闸管和高频（快速）晶闸管。 图8-1
huo tao ci feng zhuang zhong guo fu cai shuang se qiu wu an guan duan su du fen lei jing zha guan an qi guan duan su du ke fen wei pu tong jing zha guan he gao pin kuai su jing zha guan tu 8-1
、中功率晶闸管和小功率晶闸管三种。通常，大功率晶闸管多采用金属壳封装，而中、小功率晶闸管则多采用塑封
zhong gong lv jing zha guan he xiao gong lv jing zha guan san zhong tong chang da gong lv jing zha guan duo cai yong jin shu ke feng zhuang er zhong xiao gong lv jing zha guan ze duo cai yong su feng
封晶闸管又分为带散热片型和不带散热片型两种。（四）按电流容量分类 晶闸管按电流容量可分为大功率晶闸管
feng jing zha guan you fen wei dai san re pian xing he bu dai san re pian xing liang zhong si an dian liu rong liang fen lei jing zha guan an dian liu rong liang ke fen wei da gong lv jing zha guan
闸管中国福彩双色球、塑封晶闸管和陶瓷封装晶闸管三种类型。其中，金属封装晶闸管又分为螺栓形、平板形、圆壳形等多种；塑
zha guan zhong guo fu cai shuang se qiu su feng jing zha guan he tao ci feng zhuang jing zha guan san zhong lei xing qi zhong jin shu feng zhuang jing zha guan you fen wei luo shuan xing ping ban xing yuan ke xing deng duo zhong su
性可分为二极晶闸管、三极晶闸管和四极晶闸管。（三）按封装形式分类 晶闸管按其封装形式可分为金属封装晶
xing ke fen wei er ji jing zha guan san ji jing zha guan he si ji jing zha guan san an feng zhuang xing shi fen lei jing zha guan an qi feng zhuang xing shi ke fen wei jin shu feng zhuang jing
管（gto）、btg晶闸管中国福彩双色球、温控晶闸管和光控晶闸管等多种。（二）按引脚和极性分类 晶闸管按其引脚和极
guan gto btg jing zha guan zhong guo fu cai shuang se qiu wen kong jing zha guan he guang kong jing zha guan deng duo zhong er an yin jiao he ji xing fen lei jing zha guan an qi yin jiao he ji
及控制方式分类 晶闸管按其关断、导通及控制方式可分为普通晶闸管、双向晶闸管、逆导晶闸管、门极关断晶闸
ji kong zhi fang shi fen lei jing zha guan an qi guan duan dao tong ji kong zhi fang shi ke fen wei pu tong jing zha guan shuang xiang jing zha guan ni dao jing zha guan men ji guan duan jing zha
、无触点电子开关、逆变及变频等电子电路中。一、晶闸管的种类 晶闸管中国福彩双色球有多种分类方法。（一）按关断、导通
wu chu dian dian zi kai guan ni bian ji bian pin deng dian zi dian lu zhong yi jing zha guan de zhong lei jing zha guan zhong guo fu cai shuang se qiu you duo zhong fen lei fang fa yi an guan duan dao tong
硅整流器件的特性，能在高电压、大电流条件下工作，且其工作过程可以控制、被广泛应用于可控整流、交流调压
gui zheng liu qi jian de te xing neng zai gao dian ya da dian liu tiao jian xia gong zuo qie qi gong zuo guo cheng ke yi kong zhi bei guang fan ying yong yu ke kong zheng liu jiao liu diao ya
型半导体器件，在电路中用文字符号为“v”、“vt”表示（旧标准中用字中国福彩双色球母“scr”表示）。 晶闸管具有
xing ban dao ti qi jian zai dian lu zhong yong wen zi fu hao wei v vt biao shi jiu biao zhun zhong yong zi zhong guo fu cai shuang se qiu mu scr biao shi jing zha guan ju you
什么是晶闸管及其分类 晶闸管是晶体闸流管(thyristor)的简称，俗称可控硅，它是一种大功率开关
shen me shi jing zha guan ji qi fen lei jing zha guan shi jing ti zha liu guan (thyristor) de jian cheng su cheng ke kong gui ta shi yi zhong da gong lv kai guan