This shield was found on an old EDN. The MOSFET can be of any type according to the controlled load. The power can be between 5 and 15 V typically and can be different for the MOSFET.
This circuit was found in the 1972 RCA Power Transistor Databook. Transistors are uncommon today,...
This circuit is used to light a 20 W fluorescent lamp from the 12 V of a car battery. The...
This circuit fires by burning the fuse when the input voltage exceeds the value referenced by the zener....