300Watt Inverter DC 24V to AC 220V

This is the 300W inverter circuit which capable to convert 24VDC become 220VAC. With this circuit, you will have 220V AC power with 300W max rated, from 24V lead acid battery or accumulator.

Schematic diagram:

PCB layout and component placement:

Since this circuit has lethal potential and high risk, please be careful when try this circuit. It’s need more experience to build this 300W power inverter circuit.

circuit diagram

View Comments

  • hello i dont understand pcb layout regarding q5(2N3773),q6(2N3773),t1(tansformer),d7(IN5404),d8(IN 5404)beacuse i have not found on pcb lay out

    • those components are placed offside the PCB
      you may connect the T1 and diodes using cable. The q5 and q6 placed aoutside the PCB because it require heatsink.You may connect each transistor with the B (basic) and E (emitter) on PCB. The C (Collector) connected to the T1.

  • hi guys can you please help with the projects that i have to design which is 300W 12V to 220V inverter with automatic switch over

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