B39941B4323P810

Overview

The B39941B4323P810 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm. It operates at a center frequency of 942.5MHz with a bandwidth of 35MHz and an insertion loss of 2.5dB. The component is housed in a compact 5-SMD, No Lead package measuring 1.60mm in length, 1.20mm in width, and 0.70mm in height. Designed for RF applications, it supports GSM mobile phone systems.

Feature Summary

• Utilizes Surface Acoustic Wave technology for efficient signal filtering
• Optimized for low insertion loss within the specified bandwidth
• Engineered for integration into compact mobile device form factors

Applications

• GSM mobile phones
• RF front-end modules
• Wireless communication devices

Procurement Notes

Verify the specific package dimensions and electrical parameters against the official datasheet before integration. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the supplier provides valid traceability documentation for this discontinued or legacy part number to maintain quality standards.

Selection Notes

Select this component when designing for GSM bands requiring a 942.5MHz center frequency. Compare the 35MHz bandwidth against system specifications to ensure adequate channel isolation. Evaluate the 5-SMD footprint compatibility with existing PCB layouts and verify that the 2.5dB insertion loss meets the link budget requirements.

Part Context

This part 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 and IoT applications. The B39941 series typically targets specific cellular bands, providing essential filtering for reliable wireless connectivity in consumer electronics.

Replacement Considerations

Consult official manufacturer substitution lists for verified alternatives. Cross-reference pinouts and electrical characteristics carefully. Generic equivalents may not match the precise acoustic performance or thermal properties required for GSM RF applications.