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Components list
1. D718 transister
2. B688 transister
3. 100K Resister
4. 1000uf 16volt capacitor
5. Copper wire 0.2mm
6. Pen cap or any thing for Wind Coil
8. insulation paper
9. Heat sink
100 Turns coil wind on pen cap
Please use insulation paper for conductive heatsink
100% Working Circut
