Transistor Mosfet N-Channel 41A - IRFZ44N
Transistor Mosfet N-Channel 41A - IRFZ44N
Transistor Mosfet N-Channel 41A - IRFZ44N
Transistor Mosfet N-Channel 41A - IRFZ44N

Power Transistor IRFZ44 N-Channel, 49A TO-220

Transistors
TRIRFZ44
Part.No: IRFZ44
€1.95
Out of Stock

The IRFZ44 is a high-current N-Channel Power MOSFET in a TO-220 package. Designed for high-speed switching and efficient power control in motor drivers, power supplies, and industrial switching applications.

 

IRFZ44 Power MOSFET - High Current Switching for Industrial & Motor Control

The IRFZ44 is a robust N-Channel power MOSFET renowned for its exceptional drain current capability (49A) and low on-state resistance, making it the workhorse for high-current switching applications. From PWM motor control to power supply design, the IRFZ44 delivers reliable, efficient performance in demanding industrial and hobbyist circuits.

Functions & Applications

  • High Drain Current: Maximum 49A continuous drain current, capable of driving heavy loads without saturation.
  • Fast Switching Speed: Optimized for rapid on/off transitions, reducing switching losses in high-frequency applications.
  • Low On-State Resistance (Rds-on): Minimal power dissipation during conduction, ensuring efficient thermal performance.
  • Robust TO-220 Package: Industry-standard power package with easy mounting on heat sinks for high-current applications.

Technical Specifications

ParameterValue / Specification
Transistor TypeMOSFET (Metal–oxide–semiconductor FET)
Polarity / ChannelN-Channel
Package / CaseTO-220
Drain-Source Voltage (Vds)55V
Max Drain Current (Id)49A
On-State Resistance (Rds-on)0.022Ω (typical at Vgs=10V)
Mounting TypeSurface Mount with Heat Sink (TO-220)

Frequently Asked Questions

Q: Can the IRFZ44 drive a DC motor directly?
A: Yes, the IRFZ44 can switch DC motors up to 49A when properly driven by a logic-level gate signal (typically 5V or 3.3V). Use a flyback diode across inductive motor windings and a heat sink for continuous high-current operation.

Q: What gate voltage is required for full saturation?
A: The IRFZ44 achieves its rated Rds-on (~0.022Ω) at a gate voltage (Vgs) of 10V. It can be logic-level driven (3.3V–5V), though saturation will be slightly reduced; consider using a gate driver for optimal performance in high-frequency PWM applications.

Notes

Requires a heat sink for continuous operation above 10–20A. Gate must be driven with a logic signal; protect with an RC snubber or gate driver IC in high-frequency switching circuits. Reverse-biased Body Diode present (useful in flyback circuits).

Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type
FETs (Field-Effect Transistors)
MOSFET (Metal–oxide–semiconductor FET)
Transistor Polarity / Channel
N-Channel
Transistor Case Style
TO-220
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