IRF540N Mosfet
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Description
IRF540N Power MOSFET – N-Channel MOSFET for High-Speed Switching and Power Control
The IRF540N is a high-power, high-speed N-channel MOSFET designed for efficient switching and amplification in power management systems. With a maximum drain current of 33A and a drain-source voltage of 100V, this MOSFET is ideal for applications like motor drivers, inverters, power supplies, and LED dimming circuits.
Thanks to its low R<sub>DS(on)</sub> and fast switching capability, the IRF540N provides high efficiency in DC-DC converters, load switching circuits, and PWM control systems. It’s commonly used with microcontrollers like Arduino, ESP32, and Raspberry Pi via driver circuits.
Key Features
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High current capacity: up to 33A continuous
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Low on-resistance (R<sub>DS(on)</sub>) for efficient switching
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Fast switching speeds
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TO-220 package with heatsink capability
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Compatible with logic-level gate drive (10V recommended for full switching)
Product Specifications
| Feature | Specification |
|---|---|
| Transistor Type | N-Channel Power MOSFET |
| Part Number | IRF540N |
| Package Type | TO-220 |
| Drain-Source Voltage (V<sub>DS</sub>) | 100V |
| Continuous Drain Current (I<sub>D</sub>) | 33A |
| Pulsed Drain Current | 110A |
| Gate Threshold Voltage (V<sub>GS(th)</sub>) | 2.0V – 4.0V |
| Gate-Source Voltage (V<sub>GS</sub>) | ±20V |
| R<sub>DS(on)</sub> (at V<sub>GS</sub> = 10V) | 0.044Ω |
| Power Dissipation | 130W (with heatsink) |
| Operating Temperature | -55°C to +175°C |
Applications
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DC motor and fan control
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Switching power supplies
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LED dimming and control circuits
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Inverters and battery management systems
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High-speed switching in logic-level circuits
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Robotics and industrial control
