disassembled computer power supply for repair, internal device of the psu, capacitors, voltage stabilizer, frequency filter, effic

acdc adapter background black board box cable capacitor capacitors case chip close closeup component computer converter cooler device disassembled efficiency electric electrical electricity electronic energy engineering equipment fan filter frequency hardware high industrial industry internal isolated metal micro mode object part power psu repair silicon stabilizer supply switch switchedmode tech technology transistor unit voltage watt white wire wires