IRLZ44N Logic Level N-Channel MOSFET - 55V 47A TO-220

The IRLZ44N is a popular logic-level N-channel MOSFET designed for direct interfacing with Arduino, PIC, ESP32, Raspberry Pi and other microcontroller platforms. With a low gate threshold voltage, low RDS(on), 55V drain-to-source voltage rating and 47A current capability, the IRLZ44N is an excellent choice for switching and PWM control of high-current DC loads.

The logic-level gate design allows efficient operation from many 5V control signals without requiring complicated gate driver circuitry. Common applications include LED strip dimming, DC motor control, high-power LED projects, automation systems, robotics, battery-powered systems and general-purpose power switching.

Key Features

• Logic-level gate compatible with many microcontroller outputs
• 55V drain-to-source voltage rating
• 47A continuous drain current capability
• Low RDS(on) for improved efficiency
• TO-220 package for easy mounting and heatsinking
• Suitable for PWM switching applications
• Excellent for LED strips, motors, pumps and power control circuits
• Through-hole package for breadboard and prototype projects

Why Choose the IRLZ44N?

The IRLZ44N has become one of the most widely used MOSFETs for hobby and professional electronics projects. Unlike many standard MOSFETs that require higher gate voltages, the IRLZ44N can be driven directly from many Arduino and TTL outputs.

Its low on-resistance helps reduce power dissipation while providing reliable switching performance in LED dimmers, motor controllers and power management systems. The commonly available TO-220 package allows simple heatsink attachment for higher power applications.

Typical Applications

• Arduino MOSFET switching circuits
• ESP32 power control projects
• Raspberry Pi automation systems
• LED strip dimmers
• RGB LED controllers
• PWM motor speed controllers
• DC motor drivers
• High-power LED drivers
• Battery-powered systems
• Robotics projects
• Solenoid control circuits
• Relay replacement circuits
• 12V and 24V switching systems

Basic Arduino Wiring Example

Technical Specifications

Frequently Asked Questions

Can the IRLZ44N be controlled directly from an Arduino?

Yes. The IRLZ44N is a logic-level MOSFET and is commonly used with Arduino, PIC and other microcontroller platforms operating at 5V logic levels.

Can the IRLZ44N control LED strips?

Yes. The IRLZ44N is frequently used for switching and PWM dimming of 12V and 24V LED strips.

Can the IRLZ44N be used for motor control?

Yes. It is suitable for many DC motor control applications when operated within its voltage, current and thermal limits.

Does the IRLZ44N require a heatsink?

For lower-current applications, a heatsink may not be necessary. Higher-current loads may require proper thermal management depending on power dissipation and ambient conditions.

What makes the IRLZ44N different from standard MOSFETs?

The IRLZ44N is specifically designed as a logic-level MOSFET, making it easier to drive directly from common microcontroller outputs compared to many standard MOSFETs.

Related Applications

The IRLZ44N is commonly used in Arduino projects, ESP32 controllers, LED strip dimmers, RGB LED systems, robotics, automation systems, battery-powered electronics, motor speed controllers, CNC projects, smart home devices and general-purpose power switching applications.