Up to 4 A can be sourced by this Power supply. It can be used to power automotive appliances and other circuits. The 2N3055 must be mount on a large heatsink. C1 can be increased to reduce the ripple, if necessary. Z1 is a 13.6 V x 1 W zener diode.
12 V x 4 A Power Supply for the Workbench
