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SI4401DDY from VISHAY

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SI4401DDY

Manufacturer: VISHAY

P-Channel 40 V (D-S) MOSFET
Partnumber Manufacturer Quantity Availability
SI4401DDY VISHAY 10000 In Stock

Description and Introduction

P-Channel 40 V (D-S) MOSFET **Manufacturer:** VISHAY  

**Part Number:** SI4401DDY  

### **Specifications:**  
- **Type:** P-Channel MOSFET  
- **Drain-Source Voltage (VDSS):** -30V  
- **Continuous Drain Current (ID):** -5.8A  
- **RDS(ON) (Max):** 0.045Ω @ VGS = -10V  
- **Gate-Source Voltage (VGS):** ±20V  
- **Power Dissipation (PD):** 2.5W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SO-8  

### **Descriptions:**  
The SI4401DDY is a P-Channel MOSFET designed for high-efficiency power management applications. It offers low on-resistance and fast switching performance.  

### **Features:**  
- Low threshold voltage  
- High current handling capability  
- Low gate charge  
- RoHS compliant  
- Lead-free package  

This information is based on the manufacturer's datasheet. For detailed technical parameters, refer to the official VISHAY documentation.

Application Scenarios & Design Considerations

P-Channel 40 V (D-S) MOSFET

Alternative Part Number

  • FDS4435BZ --: P-channel MOSFET in SO-8 with comparable -30V/-8A ratings and low RDS(on), suitable drop-in replacement for load-switch and power-management circuits.
  • DMP3098L --: P-channel enhancement-mode MOSFET in SO-8 with similar voltage/current capability and low on-resistance, widely available alternative.
  • AO3401A --: P-channel MOSFET with comparable -30V rating and low RDS(on); smaller SOT-23 package but electrically suitable for lower-current applications, offering a cost-effective option.

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