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IRFS740B from FAICHILD,Fairchild Semiconductor

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IRFS740B

Manufacturer: FAICHILD

400V N-Channel MOSFET

Partnumber Manufacturer Quantity Availability
IRFS740B FAICHILD 50 In Stock

Description and Introduction

400V N-Channel MOSFET The IRFS740B is a power MOSFET manufactured by Fairchild Semiconductor.  

### **Specifications:**  
- **Type:** N-Channel  
- **Drain-Source Voltage (VDSS):** 400V  
- **Continuous Drain Current (ID):** 4.3A  
- **Pulsed Drain Current (IDM):** 17A  
- **Power Dissipation (PD):** 50W  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 1.5Ω (max) at VGS = 10V  
- **Input Capacitance (Ciss):** 300pF (typ)  
- **Output Capacitance (Coss):** 60pF (typ)  
- **Reverse Transfer Capacitance (Crss):** 10pF (typ)  
- **Turn-On Delay Time (td(on)):** 10ns (typ)  
- **Turn-Off Delay Time (td(off)):** 50ns (typ)  
- **Package:** TO-220AB  

### **Descriptions & Features:**  
- Designed for high-speed switching applications.  
- Low gate charge for improved efficiency.  
- Avalanche energy specified for ruggedness in inductive load applications.  
- Fast switching performance.  
- Suitable for power supplies, motor control, and DC-DC converters.  

This information is based on Fairchild Semiconductor's datasheet for the IRFS740B.

Partnumber Manufacturer Quantity Availability
IRFS740B FSC 12 In Stock

Description and Introduction

400V N-Channel MOSFET The IRFS740B is a power MOSFET manufactured by International Rectifier (now part of Infineon Technologies). Below are the factual details about its FSC specifications, descriptions, and features:  

### **Manufacturer:**  
- International Rectifier (IR)  

### **FSC (Federal Supply Code) Specifications:**  
- The FSC code for the IRFS740B is **5961-01-463-4621**, classifying it under "Semiconductor Devices and Associated Hardware."  

### **Descriptions:**  
- **Part Number:** IRFS740B  
- **Type:** N-Channel Power MOSFET  
- **Package:** TO-220AB  
- **Technology:** HEXFET® Power MOSFET  

### **Features:**  
- **Voltage Rating:** 400V  
- **Current Rating:** 4.3A (continuous)  
- **Power Dissipation:** 150W  
- **Low Gate Charge (Qg):** 18nC (typical)  
- **Fast Switching Speed**  
- **Low On-Resistance (RDS(on)):** 1.5Ω (max)  
- **Avalanche Energy Rated**  
- **Applications:** Switching power supplies, motor control, and other high-efficiency power conversion systems.  

These details are based on the manufacturer's datasheet and FSC classification. No additional guidance or suggestions are provided.

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