IRFB4321 N Channel Power Mosfet 150V 85A TO-220 Package

IRFB4321 N Channel Power Mosfet 150V 85A TO-220 Package

The IRFB4321 is a high-performance N-channel Power MOSFET designed for high-current, high-efficiency switching applications.
With a drain-source voltage of 150V and a continuous drain current of 85A, it delivers low on-resistance, fast switching, and excellent thermal performance, making it ideal for DC–DC converters, motor drives, power inverters, and switch-mode power supplies (SMPS).
Its TO-220 package ensures efficient heat dissipation and easy integration, while robust design provides reliable operation in demanding industrial and power electronics applications.

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Features

• Voltage Rating: 150V drain-source
• High Current Handling: 85A continuous drain current
• Low On-Resistance: Minimizes conduction losses and improves efficiency
• Fast Switching Speed: Suitable for PWM, DC–DC converters, and motor control
• Rugged & Reliable: Stable operation under thermal and electrical stress
• TO-220 Package: Efficient heat dissipation and simple mounting
• N-Channel MOSFET: Ideal for low-side or synchronous switching
• Wide Temperature Range: Reliable operation in industrial and high-power environments

Applications

• High-current DC–DC converters – industrial and server power supplies
• Motor control and drives – precise switching of high-current motors
• Power inverters & UPS systems – dependable operation in backup power applications
• Switch-mode power supplies (SMPS) – high-efficiency power conversion
• Battery management & EV systems – high-current load switching
• Industrial automation & robotics – rugged power control for actuators and controllers
• Renewable energy systems – solar, wind, and hybrid power applications
• High-power LED drivers & lighting systems – medium-to-high current loads
• General-purpose high-current switching

irfb4321-mosfet-datasheet

*Product image for illustration purposes only, actual product may vary.