IRFZ44 Datasheet [55V 49 Amp N-channel MOSFET]

The IRFZ44 is a popular N-channel power MOSFET designed for high current applications. Here is a detailed datasheet of the IRFZ44 MOSFET:

General Information:

Manufacturer: International Rectifier (now part of Infineon Technologies)
Model: IRFZ44
Type: N-channel power MOSFET
Package: TO-220AB

Pinout Configuration:

The following shows the pinout configuration for the MOSFET IRFZ44:

Electrical Characteristics:

Drain-Source Voltage (VDS): 55V
Continuous Drain Current (ID): 49A @ 25°C, 35A @ 100°C
Maximum Power Dissipation (PD): 94W @ 25°C
Gate-Source Voltage (VGS): ±20V
Drain-Source On-Resistance (RDS(on)): 17.5mΩ @ VGS=10V, ID=27A
Gate Threshold Voltage (VGS(th)): 2V to 4V
Input Capacitance (Ciss): 1320pF @ VDS=25V, VGS=0V, f=1MHz
Output Capacitance (Coss): 310pF @ VDS=25V, VGS=0V, f=1MHz
Reverse Transfer Capacitance (Crss): 225pF @ VDS=25V, VGS=0V, f=1MHz
Total Gate Charge (Qg): 47nC @ VGS=10V, ID=27A
Gate-Source Charge (Qgs): 7nC @ VGS=10V, ID=27A
Gate-Drain Charge (Qgd): 12nC @ VGS=10V, ID=27A

Thermal Characteristics:

Thermal Resistance, Junction-to-Ambient (RθJA): 62°C/W
Thermal Resistance, Junction-to-Case (RθJC): 1.5°C/W
Operating Junction Temperature Range (TJ): -55°C to 175°C
Storage Temperature Range (TSTG): -55°C to 175°C

Features:

Low RDS(on) for high efficiency
Fast switching speed for improved performance
High current handling capability
Low gate drive requirements
High input impedance
Avalanche energy rated
RoHS compliant

Applications:

The MOSFET IRFZ44 is commonly used for the following applications:

DC-DC converters
DC to AC 50 Hz, 60 Hz Inverters
Switching power supplies
Motor control
Solenoid and relay drivers
High frequency inverters
Class D audio amplifiers
Electronic ballasts
Battery chargers
Welding equipment

Inverter circuit using IRFZ44

Conclusion

Overall, the IRFZ44 MOSFET is a high-performance, reliable device that can be used in a wide range of applications. Its low RDS(on), fast switching speed, and high current handling capability make it an ideal choice for power electronics applications.