With increasing magnitude of IG, the forward breakover voltage is reduced, and eventually at IG3, the device will turn on successfully if a minimum current, called a latching current, is maintained.

 
  • 隨著(zhù)IG幅值的增加,正向導通電壓減小。最終在IG3處,只要晶閘管持續流過(guò)一個(gè)最低電流(即閉鎖電流),便可使其導通。
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