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SI4946EY-T1 from VISHAY

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SI4946EY-T1

Manufacturer: VISHAY, SILICONIX, SI

Dual N-Channel 60-V (D-S)/ 175C MOSFET
Partnumber Manufacturer Quantity Availability
SI4946EY-T1,SI4946EYT1 VISHAY, SILICONIX, SI 6645 In Stock

Description and Introduction

Dual N-Channel 60-V (D-S)/ 175C MOSFET **Manufacturer:** SILICONIX (now part of Vishay Intertechnology)  

**Part Number:** SI4946EY-T1  

### **Specifications:**  
- **Type:** Dual N-Channel MOSFET  
- **Technology:** TrenchFET® Gen III  
- **Voltage Rating (VDS):** 30V  
- **Current Rating (ID):** 6.3A (per MOSFET)  
- **On-Resistance (RDS(on)):**  
  - 18mΩ (max) at VGS = 10V  
  - 22mΩ (max) at VGS = 4.5V  
- **Gate Threshold Voltage (VGS(th)):** 1V (min) to 2.5V (max)  
- **Gate Charge (Qg):** 12nC (typical)  
- **Power Dissipation (PD):** 2.5W (per MOSFET)  
- **Package:** SO-8 (PowerPAK®)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions and Features:**  
- **Dual N-Channel MOSFET:** Two independent N-channel MOSFETs in a single package.  
- **Low On-Resistance:** Optimized for high efficiency in power management applications.  
- **Fast Switching:** Suitable for high-frequency switching applications.  
- **TrenchFET® Gen III Technology:** Enhances performance with reduced gate charge and low RDS(on).  
- **PowerPAK® SO-8 Package:** Compact footprint with improved thermal performance.  
- **Applications:** Power supplies, DC-DC converters, motor control, and load switching.  

(Note: Always verify with the latest datasheet for updated specifications.)

Application Scenarios & Design Considerations

Dual N-Channel 60-V (D-S)/ 175C MOSFET

Alternative Part Number

  • FDS4935A --: Dual P-channel MOSFET in SO-8 with similar voltage and current ratings, widely available and pin-compatible replacement.
  • IRF7324 --: Dual P-channel MOSFET in SO-8 offering comparable RDS(on) and current handling for load-switch applications.
  • NTMS4935NR2 --: Dual P-channel MOSFET in SO-8 with similar specifications, suitable as a drop-in alternative when layout allows.
  • FDS6680A --: N-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and pin-compatible replacement for switching applications.
  • IRF7413Z --: Logic-level N-channel MOSFET in SO-8 with similar RDS(on) and current capability, suitable drop-in substitute in most circuits.
  • NTMS4816N --: SO-8 N-channel MOSFET with matching package and comparable electrical characteristics, good alternative when the original is unavailable.
  • IRF7413 --: Logic-level N-channel MOSFET in SO-8 package with similar RDS(on) and current capability.
  • AO4406 --: SO-8 N-channel MOSFET offering similar on-resistance and current rating as a cost-effective alternative.

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