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STP5NB40 from ST,ST Microelectronics

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STP5NB40

Manufacturer: ST

N-CHANNEL 400V 1.47 OHM 4.7A TO-220/TO-220FP POWERMESH MOSFET

Partnumber Manufacturer Quantity Availability
STP5NB40 ST 50 In Stock

Description and Introduction

N-CHANNEL 400V 1.47 OHM 4.7A TO-220/TO-220FP POWERMESH MOSFET The STP5NB40 is an N-channel Power MOSFET manufactured by STMicroelectronics.  

### **Specifications:**  
- **Drain-Source Voltage (VDSS):** 400V  
- **Continuous Drain Current (ID):** 4.5A (at 25°C)  
- **Pulsed Drain Current (IDM):** 18A  
- **Power Dissipation (Ptot):** 50W (at 25°C)  
- **Gate-Source Voltage (VGS):** ±30V  
- **On-Resistance (RDS(on)):** 1.2Ω (max) at VGS = 10V  
- **Input Capacitance (Ciss):** 250pF (typical)  
- **Turn-On Delay Time (td(on)):** 10ns (typical)  
- **Turn-Off Delay Time (td(off)):** 35ns (typical)  
- **Operating Junction Temperature (TJ):** -55°C to 150°C  

### **Description:**  
The STP5NB40 is a high-voltage MOSFET designed for power switching applications. It features low gate charge, fast switching, and high efficiency, making it suitable for use in power supplies, motor control, and lighting applications.  

### **Features:**  
- **High Voltage Capability (400V)**  
- **Low On-Resistance (RDS(on))**  
- **Fast Switching Speed**  
- **Low Gate Charge**  
- **Avalanche Energy Specified**  
- **100% Avalanche Tested**  
- **Improved dv/dt Capability**  

The device is available in a TO-220 package for easy mounting and thermal management.

Application Scenarios & Design Considerations

N-CHANNEL 400V 1.47 OHM 4.7A TO-220/TO-220FP POWERMESH MOSFET

Alternative Part Number

  • IRF740 --: Industry-standard 400V N-channel MOSFET in TO-220 with similar RDS(on) and current rating, widely available and often used as a direct substitute for the STP5NB40.
  • FQP5N40 --: 400V 5A N-channel MOSFET in TO-220 with comparable on-resistance and gate charge, pin-compatible and suitable for switching applications.
  • 2N60 --: 600V 5A N-channel MOSFET in TO-220 offering higher voltage margin than the original 400V part, usable in many offline switching designs with minor gate-drive review.

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