B39431R0990H110

Overview

The B39431R0990H110 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm Technologies. Designed for remote control applications, it operates at a center frequency of 433.92 MHz. The component utilizes an acoustic technology approach to provide signal filtering within RF front-end systems. It is housed in a compact 4-SMD, No Lead package with dimensions of 5.00mm x 3.50mm and a maximum height of 1.45mm. The device supports surface mount installation and complies with RoHS3 standards.

Feature Summary

• Utilizes Surface Acoustic Wave (SAW) technology for RF signal filtering
• Optimized for remote control application environments
• Designed for surface mount integration into compact circuit boards

Applications

• Remote control systems
• RF front-end modules
• Wireless connectivity devices

Procurement Notes

Verify the specific datasheet version for the B39431R0990H110 before implementation, as manufacturer documentation may contain updates regarding pin configurations or electrical characteristics. Confirm that the 4-SMD package footprint matches the target PCB layout exactly. Ensure compliance with current environmental regulations such as RoHS3 is documented for the specific production batch intended for use.

Selection Notes

Select this component when a SAW filter is required for 433.92 MHz remote control signals. The 4-terminal SMD package offers a balance between size and performance for space-constrained designs. Consider the insertion loss and bandwidth specifications provided in the official datasheet to ensure compatibility with the system's RF chain requirements and impedance matching needs.

Part Context

This part belongs to the Qualcomm B39431 series of RF front-end filters. The series includes various SAW and BAW technologies tailored for mobile, IoT, and infrastructure applications. This specific model focuses on the ISM band usage typical for remote controls, leveraging Qualcomm's acoustic filter expertise to deliver reliable performance in consumer electronics and industrial IoT sectors.

Replacement Considerations

B39431R0820H210 is listed as a similar alternative in distributor databases. Verify if the B39431R0970H110 serves as a functional substitute based on identical frequency and package constraints. Cross-reference official replacement guides from Qualcomm to confirm electrical equivalence before design changes.