This extremely low parts-count circuit will charge any capacitor to about 340 volts, from 5v or 6v input only !
It is compatible for charging photo-flash capacitors for high energy portable photography flash DIY units,
and also for miniature repeating strobe powered on batteries.
other uses may also include coilguns and other high-voltage applications.
Parts list and availability:
- XFT-1610 inverter transformer
- 2SD882 power transistor
- 1N4937 Fast diode
- 400v 10uF capacitor
- 1K 1/4w resistor







