This circuit was obtained in a Motorola documentation from 1968. The circuit uses a power transistor of the time. Modern equivalents according to the load current and voltage can be used.
In this application, from English documentation, we have the way to activate an AC load up to 10 W...
This circuit was found in a General Electric documentation from 1965. The purpose of this circuit is...
This 13.8 V transistorized power supply with a current capacity of 20 A has a protection system...