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SI4435DY-TR from IR,International Rectifier

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SI4435DY-TR

Manufacturer: IR, IOR

-30V Single P-Channel HEXFET Power MOSFET in a SO-8 package

Partnumber Manufacturer Quantity Availability
SI4435DY-TR,SI4435DYTR IR, IOR 270738 In Stock

Description and Introduction

-30V Single P-Channel HEXFET Power MOSFET in a SO-8 package The SI4435DY-TR is a high-performance RF transceiver IC manufactured by Silicon Labs (formerly Integrated Device Technology, IDT). Below are the key specifications, descriptions, and features based on available factual data:

### **Manufacturer:**  
Silicon Labs (formerly IDT)  

### **Specifications:**  
- **Frequency Range:** 240–960 MHz  
- **Modulation Schemes:** FSK, GFSK, OOK  
- **Data Rate:** Up to 500 kbps  
- **Sensitivity:** -121 dBm (at 1.2 kbps, 433 MHz)  
- **Output Power:** Up to +20 dBm (adjustable)  
- **Supply Voltage:** 1.8–3.6 V  
- **Current Consumption:**  
  - 18.5 mA (RX mode)  
  - 30 mA (TX mode at +10 dBm)  
  - 0.5 μA (Sleep mode)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-20  

### **Descriptions:**  
- The SI4435DY-TR is a low-power, sub-GHz ISM band transceiver designed for wireless applications.  
- It supports a wide frequency range, making it suitable for global regulatory standards.  
- Features an integrated RF front-end, reducing the need for external components.  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-operated devices.  
- **High Sensitivity:** Ensures reliable communication in noisy environments.  
- **Programmable Output Power:** Adjustable from -8 dBm to +20 dBm.  
- **Integrated Packet Handling:** Supports packet formatting, CRC, and automatic acknowledgment.  
- **Fast Frequency Hopping:** Enhances interference immunity.  
- **SPI Interface:** Allows easy microcontroller integration.  
- **Small Form Factor:** SOIC-20 package for space-constrained designs.  

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

Application Scenarios & Design Considerations

-30V Single P-Channel HEXFET Power MOSFET in a SO-8 package

Alternative Part Number

  • FDS4435BZ --: P-channel MOSFET with similar -30V/-8A ratings and low RDS(on), commonly used as a drop-in replacement in load-switch and power-management circuits.
  • DMP3098L --: P-channel MOSFET offering comparable voltage and current capability with low on-resistance, suitable for similar switching and load-switch applications.
  • AO3401A --: Popular P-channel MOSFET with similar -30V rating and low RDS(on), widely available and often used where the SI4435DY is specified.

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