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SI3447 from AVISHAY

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SI3447

Manufacturer: AVISHAY, VISHAY

P-Channel 1.8V Specified PowerTrench MOSFET
Partnumber Manufacturer Quantity Availability
SI3447 AVISHAY, VISHAY 3520 In Stock

Description and Introduction

P-Channel 1.8V Specified PowerTrench MOSFET The part SI3447 is manufactured by **VISHAY**. Below are the specifications, descriptions, and features based on the available knowledge:  

### **Specifications:**  
- **Manufacturer:** VISHAY  
- **Type:** N-Channel MOSFET  
- **Drain-Source Voltage (VDSS):** 30V  
- **Continuous Drain Current (ID):** 5.7A  
- **RDS(ON) (Max) @ VGS = 10V:** 0.035Ω  
- **Gate-Source Voltage (VGS):** ±20V  
- **Power Dissipation (PD):** 2.5W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SO-8 (Surface Mount)  

### **Description:**  
The SI3447 is an **N-Channel MOSFET** designed for **low-voltage, high-efficiency switching applications**. It is commonly used in **power management, DC-DC converters, and load switching circuits** due to its low on-resistance and fast switching characteristics.  

### **Features:**  
- **Low On-Resistance (RDS(ON))** for reduced conduction losses  
- **Fast Switching Speed** for improved efficiency  
- **Avalanche Energy Rated** for reliability in rugged conditions  
- **Lead-Free & RoHS Compliant**  
- **Optimized for High-Performance Power Applications**  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

P-Channel 1.8V Specified PowerTrench MOSFET

Alternative Part Number

  • AO3407 --: P-channel MOSFET in SOT-23 with comparable voltage and current ratings, widely available and cost-effective drop-in candidate.
  • DMP3098L --: P-channel MOSFET in SOT-23 with similar RDS(on) and voltage rating, good electrical match for switching applications.
  • FDC6333C --: P-channel MOSFET in SOT-23 with comparable specifications, from a major manufacturer with strong supply availability.
  • NTGS3447 --: P-channel MOSFET with similar voltage and current ratings, suitable drop-in replacement in most low-voltage switching applications.
  • DMP2035U --: P-channel MOSFET offering comparable RDS(on) and package options, good electrical match for the SI3447.
  • PMV65XP --: Small-signal P-channel MOSFET with similar threshold and current capability, usable as an alternative in load-switch circuits.

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