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IRFS740B from FAICHILD,Fairchild Semiconductor

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IRFS740B

Manufacturer: FAICHILD, FSC

400V N-Channel MOSFET
Partnumber Manufacturer Quantity Availability
IRFS740B FAICHILD, FSC 62 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.

Application Scenarios & Design Considerations

400V N-Channel MOSFET

Alternative Part Number

  • STP10NK60ZFP --: 600V N-channel MOSFET in TO-220FP with comparable RDS(on) and current rating, suitable drop-in for switching power applications.
  • FQP9N60C --: 600V N-channel MOSFET with similar voltage and current ratings, widely available and commonly used as a substitute in power supplies.
  • SPP10N60C3 --: 600V CoolMOS N-channel MOSFET offering comparable on-resistance and switching performance for similar power conversion circuits.
  • IRFBC40 --: 600V N-channel MOSFET with comparable on-resistance and package options, a well-established alternative for similar switching applications.

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