A traditional iron Microwave Oven Transformer (MOT) has a switching alternative. Exploring a donated SMPS board from an inverter based microwave oven where the heater voltage and the high anode voltage (about 4kV) for the magnetron is generated using a switching power supply with IGBT transistors and a ferrite HV transformer. Including the schematic of the power section. And some warning about the danger of microwave oven transformers!

CAUTION: Don't do what I do in this video. EXTREME DANGER!

The online calculator:
https://ohmslaw.eu

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