B39431B3791Z810

Overview

The B39431B3791Z810 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm. It operates at a center frequency of 433.42MHz with a bandwidth of 240kHz and an insertion loss of 3.8dB. The component is housed in an 8-SMD, no-lead package measuring 3.80mm x 3.80mm x 1.50mm. Designed for remote control applications, it meets AEC-Q200 standards and complies with RoHS3 regulations.

Feature Summary

• Utilizes surface acoustic wave technology for RF signal filtering
• Engineered specifically for remote control applications
• Complies with automotive reliability standards

Applications

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

Procurement Notes

Verify the exact part number B39431B3791Z810 against official Qualcomm documentation to ensure compatibility. Confirm that the 8-SMD package dimensions and electrical parameters match your design requirements. Check for any specific handling instructions related to its moisture sensitivity level and surface mount installation process.

Selection Notes

Select this component when a SAW filter with a 433.42MHz center frequency is required for remote control applications. Consider the 3.8dB insertion loss and 240kHz bandwidth specifications. Ensure the 8-SMD footprint fits the PCB layout constraints. Verify AEC-Q200 compliance if automotive-grade reliability is necessary for the target application.

Part Context

This device belongs to the Qualcomm RF front-end filter portfolio, which includes various SAW and BAW technologies. These components are designed to address RF design challenges in mobile, IoT, and infrastructure applications. The B39431 series typically offers compact form factors suitable for space-constrained wireless devices.

Replacement Considerations

Publicly confirmed substitute part numbers for B39431B3791Z810 were not found in the provided source material.