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

Last Updated on February 22, 2023 by Swagatam Leave a Comment

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:

caution electricity can be dangerous

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

IRFZ44 inverter circuit

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.

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About Swagatam

I am an electronic engineer (dipIETE ), hobbyist, inventor, schematic/PCB designer, manufacturer. I am also the founder of the website: https://www.homemade-circuits.com/, where I love sharing my innovative circuit ideas and tutorials.
If you have any circuit related query, you may interact through comments, I'll be most happy to help!

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