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SI4940DY from VISHAY

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SI4940DY

Manufacturer: VISHAY

Dual N-Channel 40-V (D-S) MOSFET

Partnumber Manufacturer Quantity Availability
SI4940DY VISHAY 1748 In Stock

Description and Introduction

Dual N-Channel 40-V (D-S) MOSFET The SI4940DY is a dual N-channel MOSFET manufactured by Vishay. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Vishay  
- **Type:** Dual N-Channel MOSFET  
- **Drain-Source Voltage (VDSS):** 30V  
- **Continuous Drain Current (ID):** 5.7A per channel  
- **Pulsed Drain Current (IDM):** 20A per channel  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.035Ω (max) at VGS = 10V  
- **Power Dissipation (PD):** 2W per channel  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SO-8  

### **Descriptions:**  
- The SI4940DY is a high-performance dual N-channel MOSFET designed for power management applications.  
- It is optimized for low on-resistance and high switching efficiency.  
- Suitable for synchronous rectification, DC-DC converters, and motor control circuits.  

### **Features:**  
- **Low On-Resistance:** Minimizes conduction losses.  
- **High Current Handling:** Supports up to 5.7A continuous current per channel.  
- **Fast Switching:** Enhances efficiency in high-frequency applications.  
- **Dual MOSFET in SO-8 Package:** Saves board space in compact designs.  
- **Avalanche Energy Rated:** Provides robustness in inductive load applications.  
- **Lead-Free and RoHS Compliant:** Meets environmental standards.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dual N-Channel 40-V (D-S) MOSFET

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