Gold Supplier Henan Dorun Electronics Co., Ltd.

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It requires a gate pulse to start, it gets self-latched and stays ON until the supply get interrupted.

For this, we have to use a switching circuit in connection with the main supply of the circuit or across the thyristor to turn it OFF.

UTC PCR406 silicon controlled rectifiers are high performance planner diffused PNPN devices, with a Repetitive peak off-state voltage value of 400 V and On-state RMS current of 0.8 A.

Fit for various modes of control like motor control circuit, inrush current limiting circuits, capacitive discharge ignition and voltage regulation circuits.

When the supply ON, Thyristor remain reversed biased until the gate pulse provided.

As the S2 switch close, thyristor turns ON and latch even we release the push button S2.

For that, we use switch S1, which short-circuit the anode and cathode, due to which the holding current get decreased to its threshold value.

Resistance R2 is used for decreasing the gate sensitivity and increase the dvdt capability.

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Persamaan Transistor Pcr 406X