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SI7943DP from SIL

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SI7943DP

Manufacturer: SIL, SI

P-Channel 30-V (D-S) MOSFET
Partnumber Manufacturer Quantity Availability
SI7943DP SIL, SI 188 In Stock

Description and Introduction

P-Channel 30-V (D-S) MOSFET **Part Number:** SI7943DP  

**Manufacturer:** Vishay Siliconix  

**Description:**  
The SI7943DP is a P-channel MOSFET designed for power management applications. It is part of Vishay Siliconix's PowerPAK® SO-8 package series, optimized for low on-resistance and high efficiency.  

**Key Features:**  
- **Channel Type:** P-Channel  
- **Drain-Source Voltage (VDS):** -30 V  
- **Continuous Drain Current (ID):** -13 A (at TC = 25°C)  
- **On-Resistance (RDS(on)):** 0.028 Ω (max) at VGS = -10 V  
- **Gate-Source Voltage (VGS):** ±20 V  
- **Power Dissipation (PD):** 3.1 W (at TA = 25°C)  
- **Package Type:** PowerPAK® SO-8  
- **Low Gate Charge (Qg):** 14 nC (typical)  
- **Fast Switching Speed**  
- **AEC-Q101 Qualified (for automotive applications)**  

**Applications:**  
- Power management in DC-DC converters  
- Load switching  
- Battery protection circuits  
- Automotive systems  

**Note:** Specifications are subject to change; refer to the latest datasheet for detailed information.

Application Scenarios & Design Considerations

P-Channel 30-V (D-S) MOSFET

Alternative Part Number

  • FDS6680A --: N-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and pin-compatible.
  • IRF7413 --: Logic-level N-channel MOSFET in SO-8 with similar RDS(on) and current capability, a common drop-in substitute.
  • AO4406 --: SO-8 N-channel MOSFET with comparable ratings and low gate charge, suitable as a functional replacement.
  • FDS6690A --: N-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and pin-compatible for most switching applications.
  • IRF7413Z --: Logic-level N-channel MOSFET in SO-8 with similar RDS(on) and current capability, suitable drop-in replacement in low-voltage switching circuits.
  • AO4406A --: SO-8 N-channel MOSFET with comparable on-resistance and voltage rating, cost-effective alternative with good availability.

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