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IRF644B. from FSC,Fairchild Semiconductor

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IRF644B.

Manufacturer: FSC

250V N-Channel MOSFET

Partnumber Manufacturer Quantity Availability
IRF644B.,IRF644B FSC 22 In Stock

Description and Introduction

250V N-Channel MOSFET The IRF644B is a power MOSFET manufactured by International Rectifier (now part of Infineon Technologies). Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Manufacturer:**  
- **Company:** International Rectifier (Infineon Technologies)  

### **FSC (Federal Supply Code) Specifications:**  
- **FSC Part Number:** IRF644B  
- **Category:** Semiconductor Devices  

### **Descriptions:**  
- **Type:** N-Channel Power MOSFET  
- **Package:** TO-220AB (Through-Hole)  
- **Technology:** HEXFET® (High-Efficiency MOSFET)  

### **Features:**  
- **Voltage Rating (VDSS):** 250V  
- **Current Rating (ID):** 14A (continuous at 25°C)  
- **Power Dissipation (PD):** 125W  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.30Ω (max at VGS = 10V)  
- **Fast Switching Speed**  
- **Avalanche Energy Rated**  
- **Low Gate Charge (Qg)**  

### **Applications:**  
- Switching power supplies  
- Motor control  
- DC-DC converters  
- General-purpose power switching  

This information is based on the manufacturer’s datasheet and standard specifications. For detailed performance curves and application notes, refer to the official documentation.

Application Scenarios & Design Considerations

250V N-Channel MOSFET

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