Found in a 90s Motorola documentation, this circuit makes it a PUT. This component is not very common today. The graph shows the performance of the circuit.
This circuit is temperature stabilized. Modern equivalent transistors can be used, and the power...
This circuit uses an optocoupler to obtain a solid state relay whose power depends on the Triac...
This power step for relay activation was found in the 1964 RCA transistors manual. The circuit is of the...