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IRFP440B from FAIRCHILD,Fairchild Semiconductor

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IRFP440B

Manufacturer: FAIRCHILD

500V N-Channel MOSFET

Partnumber Manufacturer Quantity Availability
IRFP440B FAIRCHILD 152 In Stock

Description and Introduction

500V N-Channel MOSFET The IRFP440B is a Power MOSFET manufactured by FAIRCHILD (now part of ON Semiconductor). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Drain-Source Voltage (VDSS):** 500V  
- **Continuous Drain Current (ID):** 8.7A (at 25°C)  
- **Pulsed Drain Current (IDM):** 34A  
- **Power Dissipation (PD):** 150W (at 25°C)  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.85Ω (max at VGS = 10V, ID = 4.3A)  
- **Input Capacitance (Ciss):** 1200pF (typical)  
- **Output Capacitance (Coss):** 250pF (typical)  
- **Reverse Transfer Capacitance (Crss):** 50pF (typical)  
- **Turn-On Delay Time (td(on)):** 15ns (typical)  
- **Rise Time (tr):** 55ns (typical)  
- **Turn-Off Delay Time (td(off)):** 60ns (typical)  
- **Fall Time (tf):** 25ns (typical)  
- **Operating Junction Temperature (TJ):** -55°C to 150°C  

### **Description:**  
The IRFP440B is an N-channel Power MOSFET designed for high-voltage, high-speed switching applications. It is commonly used in power supplies, motor control, and other switching circuits requiring efficient power handling.  

### **Features:**  
- **High Voltage Capability:** 500V breakdown voltage.  
- **Low On-Resistance:** Minimizes conduction losses.  
- **Fast Switching Speed:** Suitable for high-frequency applications.  
- **Avalanche Energy Rated:** Enhances ruggedness in inductive load conditions.  
- **TO-247 Package:** Provides good thermal performance.  

This information is based on FAIRCHILD's datasheet for the IRFP440B.

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