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IRFW640B from FAIRCHILD,Fairchild Semiconductor

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IRFW640B

Manufacturer: FAIRCHILD, FSC

200V N-Channel MOSFET

Partnumber Manufacturer Quantity Availability
IRFW640B FAIRCHILD, FSC 849 In Stock

Description and Introduction

200V N-Channel MOSFET The IRFW640B is a power MOSFET manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Fairchild Semiconductor  
- **Part Number:** IRFW640B  
- **Type:** N-Channel Power MOSFET  
- **Drain-Source Voltage (VDSS):** 200V  
- **Continuous Drain Current (ID):** 10A  
- **Pulsed Drain Current (IDM):** 40A  
- **Power Dissipation (PD):** 150W  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.18Ω (max) at VGS = 10V  
- **Threshold Voltage (VGS(th)):** 2V to 4V  
- **Input Capacitance (Ciss):** 1500pF  
- **Output Capacitance (Coss):** 400pF  
- **Reverse Transfer Capacitance (Crss):** 80pF  
- **Turn-On Delay Time (td(on)):** 10ns  
- **Rise Time (tr):** 30ns  
- **Turn-Off Delay Time (td(off)):** 50ns  
- **Fall Time (tf):** 20ns  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**
The IRFW640B is a high-voltage N-channel MOSFET designed for power switching applications. It offers low on-resistance and fast switching speeds, making it suitable for high-efficiency power conversion circuits.

### **Features:**
- **High Voltage Capability (200V)**  
- **Low On-Resistance (RDS(on))**  
- **Fast Switching Performance**  
- **Improved dv/dt Capability**  
- **Avalanche Energy Specified**  
- **TO-220AB Package for Easy Mounting**  

This MOSFET is commonly used in power supplies, motor control, and other high-voltage switching applications.

Application Scenarios & Design Considerations

200V N-Channel MOSFET

Alternative Part Number

  • STP60NF06 --: N-channel 60V MOSFET in TO-220 with comparable RDS(on) and current rating, widely available and pin-compatible.
  • IRFZ44N --: Popular 55V N-channel MOSFET in TO-220 with similar switching characteristics and current capability.
  • FQP30N06L --: 60V logic-level N-channel MOSFET in TO-220 offering similar voltage and current ratings as a functional substitute.
  • FQP50N06 --: 60V N-channel MOSFET in TO-220 with similar voltage and current ratings, suitable drop-in replacement for switching applications.

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