B39941B4121U510

Overview

The B39941B4121U510 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 3dB. The component is housed in a compact 6-SMD, no-lead package measuring 3.00mm x 3.00mm x 1.10mm. Designed for mobile and GSM RF applications, it supports reliable signal processing in cellular networks.

Feature Summary

• Utilizes Surface Acoustic Wave technology for efficient RF filtering
• Optimized for low insertion loss in mobile communication systems
• Compact surface-mount design suitable for space-constrained devices

Applications

• Mobile phone RF front-ends
• GSM network signal processing
• Cellular base station filtering

Procurement Notes

Verify the specific suffix U510 against official documentation to confirm exact specifications. Confirm RoHS3 compliance status prior to integration. Check current availability as this part may be subject to discontinuation notices. Ensure compatibility with existing PCB footprint dimensions.

Selection Notes

Select this component for GSM band applications requiring precise 942.5MHz filtering. Consider the 35MHz bandwidth for signal isolation requirements. Evaluate the 6-SMD package size against board space constraints. Compare insertion loss characteristics with alternative SAW filters for system efficiency.

Part Context

This part belongs to Qualcomm's RF front-end filter portfolio, leveraging ultraSAW technology. It is designed for 4G/5G multimode systems and IoT applications. The series focuses on high-performance filtering in small form factors for mobile and infrastructure use cases.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official distributor databases or manufacturer engineering support for verified cross-references before implementation.