B39431R2701U310

Overview

The B39431R2701U310 is a Surface Acoustic Wave (SAW) RF filter manufactured by Qualcomm. It operates at a center frequency of 433.92MHz with an insertion loss of 9.2dB. The component is housed in an 8-SMD, No Lead package measuring 5.00mm x 5.00mm x 1.35mm. It is AEC-Q200 qualified and RoHS3 compliant. The part status is Obsolete.

Feature Summary

• Surface Acoustic Wave technology for RF filtering
• AEC-Q200 automotive qualification rating
• RoHS3 compliant construction

Applications

• ISM band applications requiring 433.92MHz filtering

Procurement Notes

This component is officially obsolete and no longer manufactured by Qualcomm. Verification of availability should focus on secondary market distributors or approved substitute components such as the ASR433.92E-T from Abracon LLC. Ensure any sourced units match the original 8-SMD package dimensions and electrical specifications to maintain system integrity.

Selection Notes

Designers seeking this specific 433.92MHz SAW filter must account for its discontinued status. Selection should prioritize verified cross-references that meet the same AEC-Q200 reliability standards and physical footprint requirements. Evaluate alternative suppliers like Abracon for equivalent performance in industrial or automotive contexts where this frequency is critical.

Part Context

Part of the Qualcomm RF360 RFFE filter portfolio, designed for high-performance mobile and IoT systems. This specific model targets the 433.92MHz ISM band, utilizing SAW technology for compact size and reliable signal processing in constrained PCB spaces.

Replacement Considerations

The ASR433.92E-T by Abracon LLC is documented as a similar replacement option.