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SI4466DY from Vishay

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SI4466DY

Manufacturer: Vishay, SI

Single N-Channel 2.5V Specified PowerTrench MOSFET

Partnumber Manufacturer Quantity Availability
SI4466DY Vishay, SI 8899 In Stock

Description and Introduction

Single N-Channel 2.5V Specified PowerTrench MOSFET The SI4466DY is a high-performance, low-current transceiver IC manufactured by Silicon Labs (now part of Skyworks Solutions). Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**
- **Frequency Range:** 142–1050 MHz  
- **Modulation Schemes:**  
  - FSK  
  - GFSK  
  - OOK  
- **Data Rate:** Up to 1 Mbps  
- **Receiver Sensitivity:** -126 dBm (at 1.2 kbps, FSK)  
- **Transmit Power:** Up to +20 dBm (adjustable)  
- **Supply Voltage:** 1.8–3.6 V  
- **Current Consumption:**  
  - **RX Mode:** 13.3 mA  
  - **TX Mode (at +10 dBm):** 18.5 mA  
  - **Sleep Mode:** 40 nA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin QFN (4x4 mm)  

### **Descriptions:**
- The SI4466DY is a sub-GHz RF transceiver designed for low-power wireless applications.  
- It supports a wide frequency range, making it suitable for global ISM bands.  
- The device integrates a high-efficiency PA, low-noise amplifier (LNA), and a digital modem.  
- It is commonly used in IoT, smart metering, home automation, and industrial wireless applications.  

### **Features:**
- **Low Power Consumption:** Optimized for battery-operated devices.  
- **Wide Frequency Range:** Supports multiple sub-GHz bands.  
- **High Performance:** Excellent sensitivity and output power.  
- **Advanced Packet Handling:** Built-in packet processing, CRC, and automatic acknowledgment.  
- **Fast Frequency Hopping:** Supports frequency agility for interference mitigation.  
- **Small Form Factor:** Compact 20-pin QFN package.  

For detailed electrical characteristics and application notes, refer to the official datasheet from Silicon Labs (Skyworks).

Application Scenarios & Design Considerations

Single N-Channel 2.5V Specified PowerTrench MOSFET

Alternative Part Number

  • FDS6680A --: N-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and pin-compatible.
  • IRF7413 --: Similar N-channel SO-8 MOSFET with matching RDS(on) class, suitable drop-in replacement for switching applications.
  • AO4406 --: Low-voltage N-channel MOSFET in SO-8 package with comparable on-resistance and current capability.
  • NTMS4816N --: SO-8 N-channel MOSFET with matching package and comparable electrical characteristics, offering a different series and good availability.

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