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Ignition Coil Drivers

In this video I show the differences between an ignition coil (pulse transformer) and other types of transformers, and a few different ways to drive them to get a high voltage output. An ignition coil is an induction coil that has a relatively high primary inductance, but low turns ratio. It generates high voltage by building up a large magnetic field in its primary, and then suddenly collapsing it when current is shut off. The sudden collapse causes a voltage spike in the primary, which is stepped up even further in the secondary coil. These devices can easily produce 30,000 - 40,000 volts with a 12 volt input, and a modest turns ratio of between 15-20. In the video i show how to drive one with a relay, single MOSFET, inductively coupled MOSFET half bridge, and a 600V IGBT, which was by far the most powerful and effective circuit. Some important components: -555 Timer -LM7805 Linear Regulator -IRF640 200V / 18A MOSFET -12TQ200 200V / 15A Diode -MUR120G 200V / 1A Diode -STGP20H60DF 600V / 20A IGBT (Best results by far) -1N4148 Diodes for duty cycle adjustment Ignition coil used: https://www.amazon.com/gp/product/B00... Music: Serge Pavkin - Modern Technology Kevin MacLeod - George Street Shuffle Heatley Bros. - Otherworld Serge Pavkin - Intergalactic