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SI8401DB-T1 from SILICONIX

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SI8401DB-T1

Manufacturer: SILICONIX, VISHAY

P-Channel 20-V (D-S) MOSFET
Partnumber Manufacturer Quantity Availability
SI8401DB-T1,SI8401DBT1 SILICONIX, VISHAY 6372 In Stock

Description and Introduction

P-Channel 20-V (D-S) MOSFET The part **SI8401DB-T1** is manufactured by **SILICONIX** (a division of Vishay). Below are the specifications, descriptions, and features based on available factual information:  

### **Specifications:**  
- **Manufacturer:** SILICONIX (Vishay)  
- **Part Number:** SI8401DB-T1  
- **Type:** Dual N-Channel MOSFET  
- **Technology:** TrenchFET® Gen III  
- **Package:** DB (Dual Flat No-Lead)  
- **Voltage Rating (VDS):** 20V  
- **Current Rating (ID):** 6.3A (per channel)  
- **RDS(ON) (Max):** 28mΩ (at VGS = 4.5V)  
- **Gate Threshold Voltage (VGS(th)):** 1V (typical)  
- **Power Dissipation (PD):** 2.5W (per channel)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
- The SI8401DB-T1 is a **dual N-channel MOSFET** designed for high-efficiency power management applications.  
- It utilizes **TrenchFET® Gen III technology**, offering low on-resistance and high switching performance.  
- Suitable for **load switching, power management, and DC-DC conversion** in portable and compact devices.  

### **Features:**  
- **Low RDS(ON)** for reduced conduction losses.  
- **Dual N-Channel MOSFET** in a single package for space-saving designs.  
- **Optimized for low-voltage drive (4.5V VGS)** in battery-powered applications.  
- **Lead-free and RoHS-compliant** packaging.  
- **AEC-Q101 qualified** (if applicable, verify datasheet).  

For exact performance characteristics, refer to the official **SILICONIX/Vishay datasheet**.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AO3401A --: P-channel MOSFET in a similar small SOT-23 package with comparable voltage and current ratings, widely available and cost-effective.
  • DMG2301L --: P-channel MOSFET offering similar RDS(on) and voltage rating in a compact SOT-23 package, suitable as a drop-in replacement in most low-power switching circuits.
  • FDC6333C --: P-channel MOSFET with comparable specifications and package style, providing a reliable alternative from a major manufacturer.
  • DMP2035U-7 --: P-channel MOSFET in a small package with comparable voltage and current ratings, suitable as a drop-in functional replacement for load-switch and power-management applications.
  • PMV65XP,215 --: P-channel MOSFET with similar RDS(on) and voltage rating in a compact SOT package, offering good availability and comparable switching performance.

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