555 2N3055 FLYBACK DRIVER

July 19, at As strange as it sounds this design is more flexible that it appears superficially. Working with electricity is dangerous, all information found on my site is for educational purpose and I accept no responsibility for others actions using the information found on this site. The circuits works fine without, but it might die faster than if it had protection. Notify me of new posts by email. March 23, at

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Hey Vignesh I do not have any such simulation model. I used an irfpn mosfet. February 10, at Thanks for any help!

The new sweet spot f,yback to be 10 primary turns and 4 feedback turns. My power sources include a dying 9v battery, a Li ion, and a high current laptop charger 18v, 4. I have flybaack this circuit and once got a good arc but cant seem To repoduce it again.

My little high voltage project is having a snag.

Nice arcs, sounds good too. In other words turn that khz arc on and off say times a second so as to simulate a lower frequency arc?

Hey ebenvios Would you like to tell me what to describe in more details? The transistor used in this circuit should not have a voltage rating higher than V, due to the higher base current needed of higher voltage rated transistors, this might in some cases cause problems where the self-resonating circuit can no longer drive the transistor. All parts except the timer and mosfet are non-critical.

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The high voltage is a plus lol. If the output is weak, the primary polarity may need reversing.

March 3, at Posted July 12, June 18, at Any help with these problems would be appreciated. I pushed it higher for short periods and it survived and gave surprising performance. Measure the voltage at the collector of the 2N to ground. I think it could just be a too low duty cycle and secondary maybe some odd frequency where this transformer does not work very well, but first check the duty cycle.

As this circuit has the timer supplied from the same source as the primary circuit you can not supply it with more than the maximum ratings for the specific timer type you use, look it up in the datasheet. Does anyone know what could cause this?

Waiting for your reply- Regards Karl. Fire in the hole! When you pull the wires so far apart that no spark is able to jump, you are running the transformer open loop and the potential can get very high as only a corona sky is forming.

Based Flyback/Ignition Coil Driver – High Voltage Stuff – Community

The primary must be wound directly onto the exposed ferrite core. The first two drivers on this page drive the flyback in flyback mode, while the last two use push-pull topologies. June 20, at I only used a jumper to turn it on in the ATX plug. Does anyone know of any designs where one could use this plasma speaker as a tweeter.

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Is a mosfet with a built in diode essential i. Hello Bear I think the 12V 2A supply flybaco just about minimum at maximum duty cycle, I could make pull down the supply at certain points.

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The other thing I have noticed is that the circuit now very quickly kills the voltage coming from the 20v power supply, it will go from 20 to less than 10v very quickly. Not to be rude, but ask yourself if a 10K potentimeter set at 9K would equal a 9K potentiometer…. I redid the flyback test so I know that its working fine.

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