Simple power supply with current protection.
Simple power supply with current protection. Output voltage 0-12 volts. Short-circuit current 2.6 amperes. Powerful transistor - any NPN transistor with a collector power of 50 watts and a collector current of 5 amperes. Preferably in a metal case.
Low-power transistors any NPN transistors - BC547, 2N5551, 2SC9014, c945, KT315, KT3102, KT503 .......... For an output voltage of 12 volts, the zener diode must be for a stabilization voltage of 13-15 volts - D814D, KS512, KS515 ..... 1N4743A, BZX55C14, 1N4744A, BZV85C15 ..... Diode bridge from 5 amperes, can be from separate diodes. Capacity after the bridge - from 2200 μF. Transformer_ power from 50 watts, output voltage 12-14 volts, for a 12 volt power supply.