Specifications:

Type: N-Channel MOSFET
Drain-Source Voltage (Vds): 100V
Continuous Drain Current (Id): Up to 33A (with proper cooling)
Gate Threshold Voltage (Vgs(th)): 2V – 4V
Rds(on): ~0.077Ω
Package: TO-220 (Through Hole)
Operating Temperature: -55°C to +175°C

1. What is the IRF540NPBF MOSFET?

The IRF540NPBF is an N-channel power MOSFET based on the MOSFET principle, designed for high-voltage and high-current switching applications.

2. Who manufactures the IRF540NPBF?

It is manufactured by Infineon Technologies, a well-known company in the semiconductor industry.

3. What are the pin configurations of the IRF540 MOSFET?

In the TO-220 package, the pins are:

• Gate (G) – controls the switching
• Drain (D) – connected to the load
• Source (S) – connected to ground/reference

4. Is the IRF540 a logic-level MOSFET?

No, it is not a logic-level MOSFET. It requires around 10V at the gate for full conduction, so a proper driver circuit may be needed when using it with microcontrollers.

5. What are common applications of the IRF540 MOSFET?

It is widely used in motor drivers, power supplies, inverters, LED control, and switching high-power loads using controllers like Arduino Uno.