40kV Melting Resistors
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@Alex1M6 Across the primary coil and it's a RFP30N06LE MOSFET. (60V 30A)
Gintaras 3 months ago
@Gintaras Is that in parallel with the MOSFET or across the primary coil? Also which MOSFET did you use?
Alex1M6 3 months ago
@Alex1M6 I've put a diode in series with 100Ohm resistor, but the resistor doesn't even get warm. The MOSFETs I'm using have a protection diode build-in so I guess they work really well.
Gintaras 3 months ago
@Gintaras Ok, btw what have you done to combat the back EMF spikes that usually destroys the MOSFET when driving a flyback?
Alex1M6 3 months ago
@Alex1M6 It's a microcontroller based driver (PIC16F628A), it uses build-in PWM module that goes to the MOSFETs and then to the flyback.
Gintaras 3 months ago
What driver where you using to drive the flyback?
Alex1M6 3 months ago