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IRF644N from IR,International Rectifier

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IRF644N

Manufacturer: IR

250V Single N-Channel HEXFET Power MOSFET in a TO-220AB package

Partnumber Manufacturer Quantity Availability
IRF644N IR 5798 In Stock

Description and Introduction

250V Single N-Channel HEXFET Power MOSFET in a TO-220AB package The IRF644N is a power MOSFET manufactured by International Rectifier (now part of Infineon Technologies). Below are the key specifications, descriptions, and features based on the manufacturer's datasheet:

### **Key Specifications:**
- **Drain-Source Voltage (VDSS):** 250V  
- **Continuous Drain Current (ID):** 14A (at 25°C)  
- **Pulsed Drain Current (IDM):** 56A  
- **Gate-Source Voltage (VGS):** ±20V  
- **Power Dissipation (PD):** 150W (at 25°C)  
- **On-Resistance (RDS(on)):** 0.30Ω (max) at VGS = 10V, ID = 7A  
- **Threshold Voltage (VGS(th)):** 2-4V  
- **Input Capacitance (Ciss):** 1300pF (typical)  
- **Output Capacitance (Coss):** 300pF (typical)  
- **Reverse Transfer Capacitance (Crss):** 50pF (typical)  
- **Turn-On Delay Time (td(on)):** 13ns (typical)  
- **Turn-Off Delay Time (td(off)):** 60ns (typical)  
- **Operating Junction Temperature (TJ):** -55°C to +175°C  

### **Description:**
The IRF644N is an N-channel power MOSFET designed for high-speed switching applications. It is built using advanced HEXFET® technology, which provides low on-resistance, fast switching, and rugged performance. It is commonly used in power supplies, motor control, and DC-DC converters.

### **Features:**
- **Advanced HEXFET® Technology** for efficient power handling  
- **Low On-Resistance (RDS(on))** for reduced conduction losses  
- **Fast Switching Speed** for high-frequency applications  
- **Avalanche Energy Specified** for improved reliability  
- **Fully Characterized Dynamic Parameters** for predictable performance  
- **Lead-Free and RoHS Compliant**  

The device is available in a TO-220 package for easy mounting and heat dissipation.  

(Source: International Rectifier/Infineon IRF644N Datasheet)

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