B39431B3775Z810

Overview

The B39431B3775Z810 is a Surface Acoustic Wave (SAW) bandpass filter manufactured by Qualcomm. Designed for SRD and ISM applications, it operates at a center frequency of 433.92 MHz. The component features an insertion loss of 1.9 dB and utilizes an 8-SMD, no-lead package with dimensions of 3.80mm x 3.80mm and a maximum height of 1.50mm. It supports board mount installation via SMD/SMT termination and is supplied in reel packaging.

Feature Summary

• Utilizes Surface Acoustic Wave technology for signal conditioning
• Optimized for Short Range Device and ISM band operations
• Compliant with AEC-Q200 automotive reliability standards

Applications

• Short Range Device (SRD) systems
• ISM band remote control applications
• RF front-end signal filtering

Procurement Notes

Verify the specific datasheet version and RoHS compliance status prior to integration. Confirm that the 8-SMD package dimensions align with the target PCB footprint. Ensure the manufacturing source is recognized as Qualcomm or authorized RF360 entities to guarantee component authenticity and performance consistency.

Selection Notes

Select this component for designs requiring precise 433.92 MHz filtering in compact form factors. The 8-pin SMD package offers space efficiency compared to larger alternatives. Consider the 1.9 dB insertion loss when calculating overall link budget requirements for the intended RF chain application.

Part Context

This part belongs to the B39431 series of RF SAW filters produced by Qualcomm's RF front-end division. The series provides various center frequencies tailored for global SRD and ISM bands. The B39431B3775 variant specifically targets the 433.92 MHz region, distinguishing it from other series members operating at different frequencies.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.