IRF740 N-Channel Power MOSFET 400V 10A – TO-220 Through-Hole Transistor

Overview

The IRF740 is a high-voltage N-Channel Power MOSFET engineered for efficient power switching and control in demanding electronic circuits. With a robust 400V drain-source voltage (VDS) and 10A continuous drain current (ID), this transistor is a reliable workhorse for applications ranging from switch-mode power supplies (SMPS) to motor control. Housed in a durable TO-220 through-hole package, the IRF740 delivers fast switching speeds and low gate drive requirements, making it a staple for makers, students, and professionals building high-voltage projects.

Key Features

• High Voltage Capability: 400V drain-source voltage (VDS) for high-voltage switching applications.
• High Current Rating: 10A continuous drain current (ID) for robust power handling.
• Low On-Resistance: Typical RDS(on) of 0.55Ω (max at VGS = 10V) ensures efficient operation with minimal power loss.
• Fast Switching Speed: Optimized for high-frequency switching in power converters and inverters.
• Low Gate Drive Power: Requires minimal gate drive, simplifying driver circuitry.
• Durable TO-220 Package: Through-hole design for easy mounting and excellent thermal performance.

Technical Specifications

• Package: TO-220 (through-hole)
• Drain-Source Voltage (VDS): 400V
• Continuous Drain Current (ID): 10A
• Low RDS(on): Typically 0.55Ω (max @ VGS = 10V)
• Gate-Source Voltage (VGS): ±20V (typical)
• Power Dissipation (PD): 125W (typical, with proper heatsink)
• Operating Temperature Range: -55°C to +150°C

Applications & Use Cases

• Switching Power Supplies (SMPS): Efficiently switch high voltages in AC-DC and DC-DC converters.
• Inverters: Drive high-voltage loads in solar inverters, UPS systems, and frequency converters.
• Motor Control: Control DC motors and brushless DC motors in robotics and industrial automation.
• LED Drivers: Power high-brightness LED lighting systems.
• Battery Chargers: Manage charging circuits for lead-acid and lithium-ion batteries.
• Industrial Power Applications: Use in welding equipment, induction heating, and power factor correction.

What's Included

• 1x IRF740 N-Channel Power MOSFET (TO-220 package)

Compatibility

• Compatible with standard through-hole PCB layouts and breadboards (using adapter).
• Suitable as a replacement for common MOSFETs like IRF740, IRF840, and similar N-channel devices in many circuits.
• Works with microcontrollers (e.g., Arduino, ESP32, STM32) via MOSFET driver ICs or gate driver circuits.

MOKWN Recommendation

For Egyptian electronics enthusiasts, students, and professionals, the IRF740 is a versatile and reliable component for high-voltage switching projects. Whether you're building a power supply, inverter, or motor controller, this MOSFET delivers consistent performance. We recommend using a proper heatsink for high-current applications and a gate driver if driving directly from a microcontroller. For low-voltage logic-level applications, consider our logic-level MOSFETs (e.g., IRLZ44N). If you have any questions, our Cairo-based team is here to help!