N-Channel 55 V 51A (Tc) 80W (Tc) Through Hole TO-220AB
The IRLZ44ZPBF is a logic-level N-channel power MOSFET manufactured by Infineon Technologies under the International Rectifier product family. This device is optimized for low-voltage switching applications and is designed to provide high current handling capability with low on-state resistance. Its logic-level gate drive characteristic allows efficient operation directly from low-voltage microcontrollers and digital control circuits without requiring specialized gate drivers.
The MOSFET is widely used in power management systems, motor control circuits, DC-DC converters, battery-powered devices, switching regulators, LED drivers, and general-purpose high-current switching applications. The device features fast switching performance, rugged avalanche characteristics, and low conduction losses, making it suitable for efficient power conversion and industrial electronic designs.
Engineering Specification
Device Type
N-channel logic-level power MOSFET
Transistor Technology
Enhancement-mode HEXFET power MOS technology
Channel Configuration
Single N-channel
Gate Drive Compatibility
Logic-level gate operation compatible with low-voltage control systems
Drain-to-Source Characteristics
Low drain-to-source on-resistance for reduced conduction losses
Switching Performance
Fast switching capability for high-efficiency power applications
Power Dissipation
Designed for high-current and high-power switching operation
Package Type
TO-220 through-hole package
Mounting Style
Through-hole mounting
Thermal Characteristics
Optimized thermal performance for heatsink attachment and power dissipation
Protection Features
Rugged avalanche-rated structure for improved reliability
Efficiency Features
Low gate charge and low conduction losses
Applications
Motor drivers
PWM switching circuits
DC-DC converters
Battery-powered electronics
LED lighting control
Power management systems
Load switching
Industrial automation
Embedded power control
High-current switching circuits
Manufacturer
Infineon Technologies / International Rectifier
