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SI6543DQ from SI

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SI6543DQ

Manufacturer: SI, SILICON

N/P-Channel 30-V (D-S) Pair

Partnumber Manufacturer Quantity Availability
SI6543DQ SI, SILICON 62 In Stock

Description and Introduction

N/P-Channel 30-V (D-S) Pair Here are the factual details about part **SI6543DQ** from the manufacturer **Siliconix (Vishay)**:

### **Manufacturer:**  
Siliconix (Vishay)  

### **Part Number:**  
SI6543DQ  

### **Description:**  
The SI6543DQ is a **Dual N-Channel 30V (D-S) MOSFET** in a **PowerPAK® SO-8** package. It is designed for high-efficiency power management applications.  

### **Key Specifications:**  
- **Drain-Source Voltage (VDS):** 30V  
- **Continuous Drain Current (ID):** 6.5A per channel  
- **RDS(on) (Max):**  
  - 28mΩ at VGS = 10V  
  - 32mΩ at VGS = 4.5V  
- **Gate-Source Voltage (VGS):** ±20V  
- **Power Dissipation (PD):** 2.5W (per MOSFET)  
- **Package:** PowerPAK® SO-8 (Dual MOSFET)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Features:**  
- **Low On-Resistance (RDS(on))** for reduced conduction losses  
- **Optimized for High-Speed Switching**  
- **Avalanche Energy Rated**  
- **Lead-Free & RoHS Compliant**  
- **Suitable for Synchronous Buck Converters, Motor Control, and Power Management**  

This information is based on the manufacturer's datasheet. For exact application details, refer to Vishay's official documentation.

Application Scenarios & Design Considerations

N/P-Channel 30-V (D-S) Pair

Alternative Part Number

  • FDS8958A --: Dual N-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and pin-compatible for most switching applications.
  • IRF7341 --: Dual N-channel MOSFET in SO-8 offering similar RDS(on) and current capability, a common drop-in substitute for dual-channel load switching.
  • NTMD4840NR2G --: Dual N-channel MOSFET in SO-8 with matching package and comparable electrical characteristics, suitable as a functional replacement.
  • NTMS4816N --: N-channel MOSFET in SO-8 with matching voltage class and low on-resistance, suitable as a functional replacement.

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