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SI4778DY from VISHAY

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SI4778DY

Manufacturer: VISHAY

N-Channel 25-V (D-S) MOSFET

Partnumber Manufacturer Quantity Availability
SI4778DY VISHAY 10000 In Stock

Description and Introduction

N-Channel 25-V (D-S) MOSFET The part **SI4778DY** is manufactured by **VISHay**. Below are the specifications, descriptions, and features based on the available knowledge:

### **Specifications:**
- **Manufacturer:** Vishay  
- **Part Number:** SI4778DY  
- **Category:** Power MOSFET  
- **Technology:** Silicon (Si)  
- **Transistor Type:** N-Channel  
- **Drain-Source Voltage (VDSS):** 30V  
- **Continuous Drain Current (ID):** 30A  
- **RDS(ON) (Max) @ VGS:**  
  - 4.5V: 8.5mΩ  
  - 10V: 6.5mΩ  
- **Gate-Source Voltage (VGS):** ±20V  
- **Power Dissipation (PD):** 38W  
- **Operating Temperature Range:** -55°C to +175°C  
- **Package:** D2PAK (TO-263)  

### **Descriptions:**
- The **SI4778DY** is an **N-Channel MOSFET** designed for high-efficiency power switching applications.  
- It features **low on-resistance (RDS(ON))** for reduced conduction losses.  
- Suitable for **DC-DC converters, motor control, and power management** applications.  

### **Features:**
- **Low RDS(ON)** for improved efficiency.  
- **Fast switching performance.**  
- **Avalanche energy rated.**  
- **Lead-free and RoHS compliant.**  
- **Optimized for high-current applications.**  

For exact datasheet details, refer to Vishay’s official documentation.

Application Scenarios & Design Considerations

N-Channel 25-V (D-S) MOSFET

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