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IRF fet no. of 500w car inverter

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New Member
I have 500watt car battery inverter TBE brand from china
previous month inverter is out of order
I am check it and found its 2 no.s fet IRF series use in primary stage are burnt
now I have no information about this fet number
becaus the number is finsh by compny
pls. infom me about this number in irf
I am use IRF 540 but it working only on 50 watt load


What are the numbers on the fets in that inverter?


New Member
I will Provide complete diagram.

I will Provide complete diagram, which i have extracted from 150w car inverter hyundai carent model .

it has 2 irf and 4 qrf in this circuit.

send on diagram on 25 jan as m not at home currently.
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