inductor copper wire winding. electronic components soldered in circuit board

aluminum background beautiful beige black blue blur board capacitor choke circuit closeup coil colored component cooler copper copy core cylinder design detail device disassembled dismantled electric electrical electromagnetic electronic electronics electrotechnical electrotechnology engineering ferrite ferromagnetic field focus heatsink impedance inductance induction inductor inductors industry inverter laboratory macro network nobody nopeople orange part power red repair resistor round science selective service shiny soldered space spare supply tech technical technology toroid transformer twisted unit winding wire yellow