an open 220 volt computer power supply with visible wires coming out to power the computer components from the circuit board.

220 board cables capacitor capacity choke circuit closeup coil coming components computer converter copper core diode disassembled electric electrical electromagnetic electronic electronics engineering farad ferrite ferromagnetic field hardware inductance induction inductor industry inverter macro open pcb power radiator rectifying resistor roll scroll soldered supply technology toroid toroidal transformer transistor twisted unit visible volt voltage winding wire wires