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IRF644A from 仙僮,Fairchild Semiconductor

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IRF644A

Manufacturer: 仙僮, FAI, FAIRCHILD

Advanced Power MOSFET

Partnumber Manufacturer Quantity Availability
IRF644A 仙僮, FAI, FAIRCHILD 3236 In Stock

Description and Introduction

Advanced Power MOSFET The IRF644A is a power MOSFET manufactured by Infineon Technologies. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Infineon Technologies  
- **Type:** N-Channel Power MOSFET  
- **Drain-Source Voltage (VDSS):** 250V  
- **Continuous Drain Current (ID):** 14A (at 25°C)  
- **Pulsed Drain Current (IDM):** 56A  
- **Power Dissipation (PD):** 125W (at 25°C)  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.3Ω (max at VGS = 10V)  
- **Threshold Voltage (VGS(th)):** 2-4V  
- **Input Capacitance (Ciss):** 1200pF (typical)  
- **Output Capacitance (Coss):** 300pF (typical)  
- **Reverse Transfer Capacitance (Crss):** 100pF (typical)  
- **Turn-On Delay Time (td(on)):** 15ns (typical)  
- **Turn-Off Delay Time (td(off)):** 60ns (typical)  
- **Rise Time (tr):** 30ns (typical)  
- **Fall Time (tf):** 20ns (typical)  
- **Operating Temperature Range:** -55°C to +175°C  
- **Package:** TO-220AB  

### **Descriptions and Features:**
- **High Voltage Capability:** Suitable for applications requiring up to 250V.  
- **Fast Switching Speed:** Optimized for high-frequency switching applications.  
- **Low On-Resistance:** Enhances efficiency in power conversion.  
- **Avalanche Energy Specified:** Ensures ruggedness in inductive load applications.  
- **Improved dv/dt Capability:** Reduces susceptibility to voltage spikes.  
- **Applications:** Used in power supplies, motor control, inverters, and switching regulators.  

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

Application Scenarios & Design Considerations

Advanced Power MOSFET

Alternative Part Number

  • STP6N60M2 --: 600V N-channel MOSFET in TO-220 with comparable RDS(on) and current rating, suitable drop-in replacement for switching applications.
  • FQP6N60C --: 600V N-channel MOSFET with similar voltage and current ratings, widely available and pin-compatible in TO-220.
  • IRFBC40 --: 600V N-channel MOSFET with comparable on-resistance and package, a common alternative for similar power switching circuits.
  • STP7N60M2 --: N-channel 600V MOSFET in TO-220 with comparable RDS(on) and current rating, suitable drop-in replacement for switching applications.
  • FQP7N60 --: 600V N-channel MOSFET from a different series with similar voltage and current ratings, widely available and pin-compatible in TO-220.

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