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SI6426DQ from FSC,Fairchild Semiconductor

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SI6426DQ

Manufacturer: FSC, FAIRCHILD

20-V (D-S) Single
Partnumber Manufacturer Quantity Availability
SI6426DQ FSC, FAIRCHILD 4548 In Stock

Description and Introduction

20-V (D-S) Single The SI6426DQ is a P-Channel MOSFET manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** Fairchild Semiconductor  
- **Part Number:** SI6426DQ  
- **Type:** P-Channel MOSFET  
- **Drain-Source Voltage (VDSS):** -30V  
- **Gate-Source Voltage (VGS):** ±20V  
- **Continuous Drain Current (ID):** -5.8A  
- **Pulsed Drain Current (IDM):** -20A  
- **Power Dissipation (PD):** 2.5W  
- **On-Resistance (RDS(on)):** 50mΩ @ VGS = -10V  
- **Threshold Voltage (VGS(th)):** -1V to -3V  
- **Package:** SOIC-8  

### **Descriptions:**  
The SI6426DQ is a P-Channel MOSFET designed for power management applications, including load switching and DC-DC conversion. It features low on-resistance and fast switching performance, making it suitable for portable electronics and power supply circuits.  

### **Features:**  
- Low RDS(on) for reduced conduction losses  
- Fast switching speed  
- Improved gate charge performance  
- Lead-free and RoHS compliant  
- Designed for high-efficiency power applications  

This information is based on Fairchild Semiconductor's datasheet for the SI6426DQ.

Application Scenarios & Design Considerations

20-V (D-S) Single

Alternative Part Number

  • FDS6680A --: N-channel MOSFET in SO-8 with comparable voltage and current ratings, widely used as a drop-in substitute for SI6426DQ in switching applications.
  • IRF7413Z --: SO-8 N-channel MOSFET with similar RDS(on) and current capability, suitable replacement for load switching and DC-DC circuits.
  • NTMS4816N --: SO-8 N-channel MOSFET with matching package and comparable electrical characteristics, a feasible alternative when the original is unavailable.
  • NTMS4404NR2G --: P-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and a common drop-in for Fairchild SO-8 P-channel parts.
  • DMP3010LK3Q-13 --: P-channel MOSFET with similar RDS(on) and voltage rating in a comparable package, suitable for load-switch and power-management applications.
  • AO3401A --: Popular P-channel MOSFET with similar electrical characteristics; check current and thermal margins, but it is a cost-effective alternative for lower-power designs.

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