What two things a scr to fire?
- MarkGLv 71 decade agoFavorite Answer
Proper polarity applied between the Anode and Cathode And a tirgger voltage applied to the gate
- 3 years ago
First is to have a voltage that exceeds the turn-on threshold of SCR which is around 0.65. Then, maintain the minimum holding current which is 10mA. Below 10mA will cause the SCR to shut off.