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SI6943DQ from VIS

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SI6943DQ

Manufacturer: VIS, SILICON, SI

20-V (D-S) Dual

Partnumber Manufacturer Quantity Availability
SI6943DQ VIS, SILICON, SI 16049 In Stock

Description and Introduction

20-V (D-S) Dual The part **SI6943DQ** is manufactured by **Vishay Siliconix**.  

### **Specifications:**  
- **Type:** Dual N-Channel 30 V (D-S) MOSFET  
- **Technology:** TrenchFET® Gen IV  
- **Drain-Source Voltage (VDSS):** 30 V  
- **Gate-Source Voltage (VGSS):** ±20 V  
- **Continuous Drain Current (ID):** 20 A (per MOSFET)  
- **Pulsed Drain Current (IDM):** 80 A  
- **Power Dissipation (PD):** 2.5 W (per MOSFET)  
- **On-Resistance (RDS(on)):** 8.5 mΩ (max) at VGS = 10 V  
- **Gate Charge (Qg):** 20 nC (typical)  
- **Input Capacitance (Ciss):** 1800 pF (typical)  
- **Output Capacitance (Coss):** 500 pF (typical)  
- **Reverse Transfer Capacitance (Crss):** 100 pF (typical)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** PowerPAK® SO-8  

### **Descriptions and Features:**  
- **Low On-Resistance:** Optimized for high-efficiency power management.  
- **Fast Switching:** Suitable for high-frequency applications.  
- **TrenchFET® Gen IV Technology:** Enhances performance with lower RDS(on) and gate charge.  
- **Dual N-Channel Configuration:** Allows for compact circuit designs.  
- **PowerPAK® SO-8 Package:** Provides improved thermal performance and power dissipation.  
- **Applications:** DC-DC converters, motor control, power management in computing and industrial systems.  

This information is based on Vishay Siliconix's datasheet for the SI6943DQ MOSFET.

Application Scenarios & Design Considerations

20-V (D-S) Dual

Alternative Part Number

  • FDS6912A --: Dual N-channel MOSFET in SO-8 with similar voltage and current ratings, widely available and pin-compatible.
  • IRF7341 --: Dual N-channel MOSFET in SO-8 offering comparable RDS(on) and current capability, suitable drop-in replacement.
  • AO4800 --: Dual N-channel MOSFET in SO-8 with similar specifications and good availability as an alternative source.
  • NTMS4404NR2 --: Dual N-channel MOSFET in SO-8 with similar RDS(on) and voltage rating, a common drop-in replacement for dual MOSFETs like the SI6943DQ.
  • IRF7309 --: Dual N-channel MOSFET in SO-8 package with similar voltage and current ratings, suitable replacement for low-voltage switching circuits.
  • NTMS4404NR2G --: Dual N-channel MOSFET in SO-8 with comparable RDS(on) and voltage rating, suitable drop-in replacement for switching applications.
  • IRF7341TRPBF --: Dual N-channel MOSFET in SO-8 with matching voltage and current ratings, good electrical similarity for power switching.

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