IRFZ44N Datasheet – 55V, Power MOSFET – IR ( PDF )

This post explains for the MOSFET.

Part Number: IRFZ44N


HEXFET Power MOSFET ( Vdss = 55V, Rds(on) = 17.5m Ohm, Id = 49A )

Package: TO-220AB

Manufacturer: International Rectifier


IRFZ44N image


1. Advanced Process Technology
2. Ultra Low On-Resistance
3. Dynamic dv/dt Rating
4. 175°C Operating Temperature
5. Fast Switching
6. Fully Avalanche Rated


IRFZ44N pinout


Advanced HEXFET Power MOSFETs from International Rectifier utilize advanced processing techniques to achieve extremely low on-resistance per silicon area. This benefit, combined with the fast switching speed and ruggedized device design that HEXFET power MOSFETs are well known for, provides the designer with an extremely efficient and reliable device for use in a wide variety of applications. The TO-220 package is universally preferred for all commercial-industrial applications at power dissipation levels to approximately 50 watts. The low thermal resistance and low package cost of the TO-220 contribute to its wide acceptance throughout the industry.

Electrical Characteristics

IRFZ44N datasheet

IRFZ44N Datasheet


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