IRFP240 N-Chan MOSFET 200V Vdss 20A Id 0.18Ohm Rds(on) fast switching TO-247

Product Specification

IRFP240 N-Chan MOSFET 200V Vdss 20A Id 0.18Ohm Rds(on) fast switching TO-247 package reliable for audio and power

Features

• N-Channel Enhancement Mode – Standard positive gate drive, easy to use in common circuit topologies.

• 200V Drain-Source Voltage (Vdss) – Supports 100V–150V rail voltages in audio and switching power supplies.

• 20A Continuous Drain Current (Id) – Capable of handling moderate to high power loads reliably.

• 0.18Ω Max Rds(on) – Low conduction loss improves efficiency and reduces heat generation.

• Fast Switching Speed – Low gate charge (Qg = 70nC typical) enables high-frequency PWM operation.

• Linear Mode Capability – Wide safe operating area (SOA) ideal for Class-A, AB audio amplifiers and active loads.

• TO-247 Package – High power dissipation (150W) with easy heatsink mounting for demanding thermal environments.

Applications 

• Audio Amplifiers – Output stages of Class-A, Class-AB, and high-end hi-fi amplifiers (e.g., Pass Labs, Zen designs).

• Linear Regulators & Active Loads – High-voltage adjustable supplies, electronic loads, and battery dischargers.

• Switched-Mode Power Supplies (SMPS) – Primary side switching for flyback, forward, and half-bridge converters.

• DC-DC Converters – High-voltage step-down or boost circuits for industrial and telecom equipment.

• Motor Control – Brushed DC motor drives for power tools, pumps, and small electric vehicles.

• Inverters – Low-frequency DC-AC inverters for solar or backup power systems.

• Test Equipment – Programmable loads, relay drivers, and waveform generators requiring high-voltage MOSFETs.

Description

The IRFP240 is an N-Channel power MOSFET designed for high-voltage, high-speed power switching applications. Utilizing advanced planar stripe technology, this device is housed in a rugged TO-247 package, offering excellent thermal performance and reliability. With a drain-source voltage rating of 200V and continuous drain current of 20A, the IRFP240 is particularly renowned for its linear mode operation, making it a long-standing favorite among audio amplifier designers. Its low on-resistance and fast switching characteristics also suit various industrial power conversion tasks.

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