Quantity   Component name
4 × IRFP250 Discrete Semiconductors / Power Transistors and MOSFETs
2 × ZD12V/1w
2 × Fast diode
2 × resistor 10K
2 × Resistor 470 Ohm
2 × induction chokes
1 × Capacitor 6microF /400V MKP
1 × Bifilar coil