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Transistor MOSFET HEXFET IRLZ44NPBF TO220

The IRLZ44NPBF is an N-channel logic-level HEXFET power MOSFET designed for efficient power switching. Its low on-resistance and fast switching characteristics make it suitable for controlling loads in electronic circuits, including applications driven by logic-level control signals.

Package Includes

  • 1 x IRLZ44NPBF N-Channel Logic-Level MOSFET, TO-220
MOSFET
9.45 AED 9.45 AED (Tax included)

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Features

  • N-channel enhancement-mode power MOSFET
  • Logic-level gate drive
  • Low on-state resistance
  • Fast switching performance
  • Fully avalanche-rated
  • Dynamic dv/dt rating
  • Through-hole TO-220 package

Principle of Operation

The IRFZ44N is a highly popular N-channel power MOSFET, widely recognized  for its high current handling and low on-resistance. This detailed visual  breakdown captures the component's physical package

The IRLZ44NPBF controls current between its drain and source terminals according to the voltage applied to its gate. As a logic-level MOSFET, it can be driven by suitable low-voltage control circuits, subject to the required gate voltage and current ratings. It is commonly used as an electronic switch for DC loads.

Applications

  • DC motor and actuator control
  • LED and lighting control
  • Power switching circuits
  • Battery-powered electronics
  • DC load control using microcontrollers
  • Power converters and switching circuits

Pinout

For the standard TO-220 package, viewed from the front with the printed face toward you and the leads pointing downward:

Everything You Need to Know About the IRFZ44N Transistor - Fly-Wing

  • Pin 1: Gate (G)
  • Pin 2: Drain (D)
  • Pin 3: Source (S)

The metal tab is electrically connected to the Drain. Check the manufacturer's datasheet before mounting the device to a heatsink or conductive surface.

Wiring

2pcs IRFZ44N Transistor N-Channel Rectifier MOSFET Power mosfet | Daraz.pk

  • Connect the Gate to the control signal through a suitable gate-drive circuit.
  • Connect the Source to the circuit's reference or return path, as required by the switching configuration.
  • Connect the Drain to the load according to the circuit design.
  • Use a suitable gate resistor and, where needed, a gate-to-source pull-down resistor.
  • For inductive loads such as motors or relays, provide appropriate flyback protection.
  • Use adequate heatsinking when power dissipation requires it.

Specifications

  • Part Number: IRLZ44NPBF
  • Transistor Type: N-Channel HEXFET Power MOSFET
  • Package: TO-220
  • Drain-to-Source Voltage (VDSS): 55 V
  • Continuous Drain Current (ID): Up to 47 A under specified datasheet conditions
  • Drain-to-Source On-Resistance (RDS(on)): Approximately 0.022 Ω under specified gate-drive conditions
  • Gate Drive: Logic-level; on-resistance depends on the applied gate-to-source voltage
  • Operating Temperature: Up to 175°C junction temperature
  • Avalanche Rating: Fully avalanche-rated

Note: The maximum current and temperature ratings depend on operating conditions, case temperature, cooling, and safe operating limits. Do not assume the MOSFET can carry 47 A continuously without a suitable thermal design.

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