Quantity   Component name
5 × Nine-volt battery In PP3 size
4 × 15k 5% resistors
3 × 68 pF capacitors
1 × LED Fiber Optics / Emitters
1 × 2SC2078 Discrete Semiconductors / Power Transistors and MOSFETs
1 × Heatsink TO-220
1 × magnet wire 1.35mm 9 turns
1 × magnet wire 0.70mm 42 turns
1 × Switch Button Designed for 10x10mm, 7.00Ø max on the 3d design