Two-way diode trigger circuit

Published:2011/6/27 8:50:00 Author:Christina | Keyword: Two-way diode, trigger circuit | From:SeekIC

The application two-way diode trigger & two-way thyristor circuit is designed as one kind of typical and common trigger circuit, as the figure shows. In general the two-way diode is in the high impedance cut-off state. Only when you add the voltage (both positive and negative) to the two-way diode, and this voltage is higher than the breakdown voltage of the two-way diode, the two-way diode will be punctured and be conducted. The general breakdown voltage of the two-way diode is tens of volts. When the circuit is connected with the AC city electricity, the AC city electricity will charge to the capacitance C through RL, RP, R2.



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