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IRFW840B from FAIRCHILD,Fairchild Semiconductor

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IRFW840B

Manufacturer: FAIRCHILD

500V N-Channel MOSFET

Partnumber Manufacturer Quantity Availability
IRFW840B FAIRCHILD 1000 In Stock

Description and Introduction

500V N-Channel MOSFET The IRFW840B is a power MOSFET manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Fairchild Semiconductor  
- **Part Number:** IRFW840B  
- **Type:** N-Channel Power MOSFET  
- **Drain-Source Voltage (VDSS):** 500V  
- **Continuous Drain Current (ID):** 8.0A  
- **Pulsed Drain Current (IDM):** 32A  
- **Power Dissipation (PD):** 150W  
- **Gate-Source Voltage (VGS):** ±30V  
- **On-Resistance (RDS(on)):** 0.85Ω (max) at VGS = 10V  
- **Total Gate Charge (Qg):** 28nC (typical)  
- **Input Capacitance (Ciss):** 700pF (typical)  
- **Output Capacitance (Coss):** 110pF (typical)  
- **Reverse Transfer Capacitance (Crss):** 20pF (typical)  
- **Turn-On Delay Time (td(on)):** 15ns (typical)  
- **Rise Time (tr):** 50ns (typical)  
- **Turn-Off Delay Time (td(off)):** 60ns (typical)  
- **Fall Time (tf):** 25ns (typical)  
- **Operating Junction Temperature (TJ):** -55°C to +150°C  
- **Package:** TO-247AC  

### **Descriptions:**
- The IRFW840B is a high-voltage N-channel MOSFET designed for power switching applications.  
- It is optimized for high-speed switching and low conduction losses.  
- Suitable for applications such as power supplies, motor control, and inverters.  

### **Features:**
- **High Voltage Capability:** 500V breakdown voltage.  
- **Low On-Resistance:** Minimizes conduction losses.  
- **Fast Switching Speed:** Enhances efficiency in high-frequency applications.  
- **Avalanche Energy Rated:** Provides robustness in inductive load conditions.  
- **Improved dv/dt Capability:** Ensures reliability in high-speed switching.  
- **TO-247AC Package:** Offers good thermal performance and mechanical strength.  

This information is based on Fairchild Semiconductor's datasheet for the IRFW840B. For detailed application notes and testing conditions, refer to the official documentation.

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