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Audioguru again
- Joined Oct 21, 2019
- 6,826
The engineersgarage is completely wrong about testing a Mosfet.
1) Connect the gate to the source so that Vgs=0V and measure the drain-source resistance. The Mosfet should be turned off and measure infinite (very high resistance).
2) The datasheet says 10V for it to be turned on so make the gate +10V and the source 0V and measure the drain-source resistance. It should be within the very low resistance range listed on the datasheet. Subtract the resistance of the multimeter's leads.
1) Connect the gate to the source so that Vgs=0V and measure the drain-source resistance. The Mosfet should be turned off and measure infinite (very high resistance).
2) The datasheet says 10V for it to be turned on so make the gate +10V and the source 0V and measure the drain-source resistance. It should be within the very low resistance range listed on the datasheet. Subtract the resistance of the multimeter's leads.
