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STF40NF20 from ST,ST Microelectronics

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STF40NF20

Manufacturer: ST

N-channel 200V
Partnumber Manufacturer Quantity Availability
STF40NF20 ST 500 In Stock

Description and Introduction

N-channel 200V The STF40NF20 is an N-channel Power MOSFET manufactured by STMicroelectronics.  

### **Specifications:**  
- **Drain-Source Voltage (VDS):** 200V  
- **Continuous Drain Current (ID):** 40A  
- **Pulsed Drain Current (IDM):** 160A  
- **Power Dissipation (PD):** 190W  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.055Ω (max) at VGS = 10V  
- **Total Gate Charge (Qg):** 100nC (typ)  
- **Operating Junction Temperature:** -55°C to 175°C  
- **Package:** TO-220FP  

### **Descriptions & Features:**  
- Designed for high-efficiency power switching applications.  
- Low gate charge for fast switching performance.  
- Low on-resistance minimizes conduction losses.  
- Avalanche ruggedness ensures reliability in harsh conditions.  
- Suitable for motor control, power supplies, and DC-DC converters.  
- Lead-free and RoHS compliant.  

For detailed electrical characteristics, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

N-channel 200V

Alternative Part Number

  • IRF540N --: Widely available N-channel MOSFET with comparable voltage and current ratings, suitable for similar switching applications.
  • FQP50N06 --: N-channel MOSFET with similar on-resistance and current capability, good drop-in candidate for power switching.
  • IRFP460 --: Higher voltage N-channel MOSFET that can serve as a robust substitute where extra voltage margin is acceptable.

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