IRF540 N-Channel MOSFET: Circuit, Datasheet, and Pinout

The IRF540 is a common N-channel enhancement MOSFET that's popular among hobbyists and electronic designers. The low thermal resistance and low package cost of the TO-220AB make it a favorite in the industry. The IRF540 is designed to drive high current loads. It can handle a maximum load of upto 23A and the maximum load voltage is upto 100V DC. Its trench technology makes it capable of reaching high-level driving capability. It can be used for both switching and amplification purposes. It is capable of performing high-speed switching. Therefore, it can be used in a wide variety of applications where you want to switch the load with high speed such as UPS.

The IRF540 can also be used as an amplifier, the maximum power dissipation of 100W makes it ideal to build a high power audio amplifier, and it can also be used in high power audio amplifier stages.

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3D Model

• Package Type: TO-220

• Transistor Type: N Channel

• Max Drain to Source Voltage: 100 V

• Max Gate to Source Voltage: ±20 V

• Max Continues Drain Current: 23 A (Different manufacturers have slightly different ratings of continuous drain current)

• Max Pulsed Drain Current: 92 A (Different manufacturers have slightly different ratings of continuous drain current)

• Max Power Dissipation: 100 W

• Minimum Voltage Required to Conduct: 2 V to 4 V

• Storage & Operating temperature: -55 to +150 Celsius

• Typical RDS(on) = 0.055Ω

• Exceptional dv/dt capability

• 100% avalanche tested

• Low gate charge

• Application-oriented characterization

• Simple drive requirements

• Ease of paralleling

• Fast switching

STMicroelectronics IRF540 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics IRF540.

The IRF540 is an N-channel MOSFET that can be widely used in switching and amplification applications. As a switch, it can be used as power supplies, battery management applications, DC to DC converters, etc. It can also be used at the output of microcontrollers and electronic platforms like Arduino and raspberry pi to drive high ampere loads. Other than that, it can also be used to build high-power audio amplifiers.

The way to use MOSFET and BJT is almost the same, the only difference is that MOSFET is the voltage-controlled device, and BJT is a current-controlled device. So MOSFET doesn't require current at its Gate. You can control them by voltage. The minimum voltage IRF540 required for saturation is 2V to 4V.

IRF540 Unclamped Inductive Load Test Circuit

IRF540 Switching Times Test Circuits For Resistive Load

IRF540 Test Circuit For Inductive Load Switching And Diode Recovery Times

• Fast Switching Applications

• Uninterruptible Power Supplies

• Battery Chargers

• Battery Management Systems

• Solar Battery Chargers

• Solar Uninterruptible Power Supplies

• Motor Driver Applications

• Telecommunication Applications

• Computer Related Applications

• High-efficiency DC-DC converters

IRF540 Package Outline

IRF540 Mechanical Data

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Download datasheets and manufacturer documentation for STMicroelectronics IRF540.