The IRFZ44NPBF is a high-performance N-Channel power MOSFET designed for efficient switching and power management. With a drain-source voltage of 55V and a continuous drain current of 49A, this transistor is ideal for DC-DC converters, motor drivers, power supplies, and battery protection circuits. It features a low on-resistance 23 mΩ for minimal power loss and fast switching speed, making it suitable for both hobby and industrial applications.
Encased in a TO-220 package, the IRFZ44NPBF ensures excellent thermal performance and easy mounting on heatsinks. It is RoHS compliant and widely used in Arduino, Raspberry Pi, and automotive electronics.
IRFZ44NPBF N-Channel MOSFET – Technical Specifications
| Parameter | Value | 
|---|---|
| Manufacturer | Infineon Technologies | 
| Product Category | MOSFETs | 
| RoHS Compliance | 2011/65/EU, 2015/863 | 
| Technology | Silicon (Si) | 
| Mounting Style | Through Hole | 
| Package / Case | TO-220-3 | 
| Transistor Polarity | N-Channel | 
| Number of Channels | 1 Channel | 
| VDS - Drain-Source Breakdown Voltage | 55 V | 
| ID - Continuous Drain Current | 49 A | 
| RDS(on) - Drain-Source Resistance | 23 mΩ | 
| VGS - Gate-Source Voltage | ±20 V | 
| VGS(th) - Gate Threshold Voltage | 1.8 V | 
| Qg - Total Gate Charge | 42 nC | 
| Operating Temperature Range | -55°C to +175°C | 
| PD - Power Dissipation | 83 W | 
| Channel Mode | Enhancement | 
| File Name | Action | 
|---|---|
| Infineon-IRFZ44N-DataSheet | Download |