Introduction
The IRFZ44 is a high-performance N-channel power MOSFET renowned for its robust and reliable characteristics in a wide range of electronic applications. This component is engineered to handle a continuous drain current of up to 49A and a maximum drain-source voltage of 55V, making it an ideal choice for high-current switching applications. Its exceptionally low on-resistance, typically 17.5mΩ, minimizes power loss and heat generation, significantly improving the overall efficiency of your circuit. Packaged in a widely-used TO-220 case, the IRFZ44N is easy to mount and provides excellent thermal dissipation, ensuring stable operation even under demanding conditions.
The versatility of the IRFZ44N MOSFET is highlighted by its numerous applications. It is a cornerstone component in motor control circuits, where its ability to handle high currents and its fast switching speed are critical for precise speed and direction control. It is also extensively used in power supply designs, including DC-DC converters and inverters, to manage high voltage and current levels efficiently. Additionally, its robust performance makes it suitable for LED dimmer and flasher circuits, audio amplifiers, and battery protection systems.
IRFZ44 N-Channel Power MOSFET
One of the key features of the IRFZ44N is its compatibility with various control signals. It is a voltage-controlled device that requires a minimum gate threshold voltage of 2V to 4V to begin conduction. For maximum performance and to achieve the full 49A drain current, a gate voltage of 10V is recommended. This makes it a popular choice for hobbyists and professionals alike, particularly for projects involving Arduino or other microcontrollers, though a gate driver circuit is often needed for optimal, high-speed switching. Its durability and industry-standard design have solidified its reputation as a go-to component for demanding power electronics projects.
IRFZ44 Pinout
IRFZ44 Power MOSFET Key Features
- Low gate drive requirements
- Dynamic dv/dt Rating
- Inductive Switching Curves
- Peak Current vs Pulse Width Curve
- Low RDS(on) for high efficiency
- Fast switching speed for improved performance
- High current handling capability
- High input impedance
- Avalanche energy rated
- RoHS compliant
IRFZ44 Power MOSFET Specifications/Characteristics
| Characterstics | Rating (Max) |
|---|---|
| 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 |
More Circuit Layouts
Key Applications of IRFZ44 Power MOSFET
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
Equivalent MOSFETs
MOSFETs that are exactly similar or equivalent to IRFZ44 Power MOSFET and can be replaced with it:
- IRF034
- IRF044
- IRF044SMD
- IRF054
- IRF054SMD
- IRF100B201
Datasheet of IRFZ44 Power MOSFET (55V 49A N-channel)
Click the following Button below to download the datasheet of IRFZ44 Power MOSFET :
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