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SI3981DV from VISHAY

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SI3981DV

Manufacturer: VISHAY, VIS

Dual P-Channel 20-V (D-S) MOSFET

Partnumber Manufacturer Quantity Availability
SI3981DV VISHAY, VIS 40000 In Stock

Description and Introduction

Dual P-Channel 20-V (D-S) MOSFET The part **SI3981DV** is manufactured by **Vishay**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Vishay  
- **Part Number:** SI3981DV  
- **Type:** Dual N-Channel MOSFET  
- **Technology:** TrenchFET® Gen III  
- **Drain-Source Voltage (VDSS):** 30V  
- **Continuous Drain Current (ID):** 8.5A  
- **Pulsed Drain Current (IDM):** 34A  
- **RDS(ON) (Max) @ VGS = 10V:** 0.028Ω  
- **Gate-Source Voltage (VGS):** ±20V  
- **Power Dissipation (PD):** 2.5W  
- **Operating Junction Temperature (TJ):** -55°C to +150°C  
- **Package:** SOIC-8  

### **Description:**  
The **SI3981DV** is a dual N-channel MOSFET designed for high-efficiency power management applications. It features Vishay’s TrenchFET® Gen III technology, which provides low on-resistance and high switching performance.  

### **Features:**  
- Low on-resistance (RDS(ON)) for reduced conduction losses  
- Optimized for high-frequency switching applications  
- Lead (Pb)-free and RoHS compliant  
- Halogen-free according to IEC 61249-2-21  
- Suitable for power management in portable devices, DC-DC converters, and load switching  

This information is strictly based on the provided knowledge base.

Application Scenarios & Design Considerations

Dual P-Channel 20-V (D-S) MOSFET

Alternative Part Number

  • FDS6680A --: N-channel MOSFET in SO-8 with comparable RDS(on) and voltage rating, widely available and pin-compatible.
  • IRF7413 --: Similar N-channel MOSFET in SO-8 package with matching voltage and current ratings, suitable drop-in replacement.
  • AO4406 --: SO-8 N-channel MOSFET with comparable on-resistance and ratings, cost-effective alternative.

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