B39431B3550U310W3

Overview

The B39431B3550U310W3 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm (RF front-end (RFFE) filters). It operates at a center frequency of 433.96MHz and utilizes an 8-SMD, no-lead package with dimensions of 0.197" L x 0.197" W (5.00mm x 5.00mm). The component has a maximum height of 0.053" (1.35mm). This device is classified as obsolete and is no longer in active manufacturing.

Feature Summary

• Utilizes Surface Acoustic Wave (SAW) technology for RF signal filtering
• Designed for remote control applications
• Surface mount construction

Applications

• Remote control systems

Procurement Notes

This component is officially listed as obsolete and no longer manufactured by the supplier. Verification of current availability requires checking secondary market distributors or authorized stockists for existing inventory. Confirm end-of-life status directly with the manufacturer before initiating procurement processes to ensure supply chain stability.

Selection Notes

Engineers should identify alternative components from the same family or newer generations due to the obsolete status of this part. Verify that replacement options maintain compatibility with the 433.96MHz frequency requirement and the 8-SMD footprint constraints. Review updated datasheets for any changes in electrical performance or packaging specifications.

Part Context

This SAW filter belongs to the Qualcomm RFFE portfolio, which provides acoustic filtering solutions for wireless connectivity. The product line supports various RF design challenges across mobile and IoT sectors. Specific models within this series are tailored for distinct frequency bands and application requirements, such as remote controls or infrastructure equipment.