Power MOSFETs
How to Test a Depletion-Mode MOSFET
Test a depletion-mode MOSFET by identifying its pinout, confirming it conducts at zero gate bias, and applying a controlled opposing gate voltage to reduce drain…
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Power MOSFETs Insights
Selection, switching behavior and practical design guidance for power MOSFETs.
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Power MOSFETs
When to Use a BJT vs a MOSFET
Choose a BJT or MOSFET by voltage, current, switching speed, drive power, linearity, thermal behavior, cost, and fault requirements rather than by a single rule…
Power MOSFETs
What Is a MOSFET Amplifier?
A MOSFET amplifier uses a field-effect transistor to increase signal voltage, current, or power in small-signal, RF, audio, and switching amplifier stages.
Power MOSFETs
What Is a MOSFET Used For?
MOSFETs are used as efficient electronic switches, amplifiers, load controllers, motor drivers, converter devices, protection elements, and the basic transistors in digital integrated circuits.
Power MOSFETs
Does Switching a MOSFET Reduce Heat?
Operating a MOSFET mainly fully on or off usually reduces heat compared with linear control, but conduction, transitions, charge, capacitance, dead time, and drive still…
Power MOSFETs
How to Test a P-Channel MOSFET
Test a P-channel MOSFET with a multimeter by confirming pinout, checking the body diode and gate insulation, then applying a negative gate-to-source voltage and verifying…
Power MOSFETs
How to Use a MOSFET: Selection, Gate Drive, and Circuit Design
Learn how to select, drive, protect, and apply a MOSFET as a low-side or high-side switch for loads, PWM control, and power electronics.
Power MOSFETs
How to Wire a MOSFET: Low-Side and High-Side Circuits
Wire a MOSFET correctly with the right source, drain, gate, pull resistor, flyback path, ground reference, decoupling, and high-side driver connections.