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SI4473DY from VISHAY

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SI4473DY

Manufacturer: VISHAY, SIL

P-Channel 14-V (D-S) MOSFET
Partnumber Manufacturer Quantity Availability
SI4473DY VISHAY, SIL 5410 In Stock

Description and Introduction

P-Channel 14-V (D-S) MOSFET The SI4473DY is a power MOSFET manufactured by Vishay. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Vishay  
- **Part Number:** SI4473DY  
- **Technology:** MOSFET, N-Channel  
- **Drain-Source Voltage (VDSS):** 30V  
- **Continuous Drain Current (ID):** 11A  
- **Pulsed Drain Current (IDM):** 44A  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.014Ω (at VGS = 10V)  
- **Power Dissipation (PD):** 3.1W  
- **Operating Junction Temperature (TJ):** -55°C to +150°C  
- **Package:** SO-8  

### **Descriptions:**
- The SI4473DY is a N-channel MOSFET designed for high-efficiency power switching applications.  
- It features low on-resistance and fast switching performance, making it suitable for DC-DC converters, motor control, and power management circuits.  

### **Features:**
- **Low RDS(on):** Minimizes conduction losses.  
- **Fast Switching Speed:** Enhances efficiency in high-frequency applications.  
- **Avalanche Energy Rated:** Provides robustness in inductive load conditions.  
- **Lead-Free and RoHS Compliant:** Meets environmental standards.  

For detailed electrical characteristics and application notes, refer to Vishay’s official datasheet.

Application Scenarios & Design Considerations

P-Channel 14-V (D-S) MOSFET

Alternative Part Number

  • FDS6680A --: N-channel MOSFET in SO-8 with comparable RDS(on) and voltage rating, widely available and pin-compatible.
  • IRF7413 --: Similar N-channel SO-8 MOSFET with matching current and voltage specs, suitable drop-in replacement.
  • NTMS4700N --: N-channel SO-8 MOSFET with comparable on-resistance and ratings, good alternative when the original is unavailable.
  • FDS6679 --: P-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and often used as a drop-in replacement for SI4473DY.
  • IRF7416 --: P-channel power MOSFET in SO-8 package with similar RDS(on) and voltage rating, suitable for load-switch and power-management applications.
  • NTMS4403N --: P-channel MOSFET in SO-8 with comparable specifications and pinout, offering a different series as a practical alternative.

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