B39122B4057U510

Overview

The B39122B4057U510 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm for RF front-end applications. It operates at a center frequency of 881.5/1960.0 MHz with a bandwidth of 60 MHz and an insertion loss of 3.7 dB. The component is housed in an 8-SMD, no-lead package measuring 3.00mm x 3.00mm x 1.10mm. Designed for mobile phone systems, it supports dual-band operations within the specified frequency range.

Feature Summary

• Utilizes surface acoustic wave technology for efficient signal filtering
• Designed for integration into mobile phone RF front-end modules
• Supports dual-frequency operation at 881.5 MHz and 1960.0 MHz

Applications

• Mobile phone RF filtering
• Dual-band cellular communication systems
• RF front-end module assembly

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS3 compliance and MSL rating prior to procurement. Check for obsolescence status as this part may be discontinued. Ensure packaging specifications match production requirements. Validate datasheet revisions against current design needs.

Selection Notes

Select this component for designs requiring specific SAW filter characteristics at 881.5/1960.0 MHz. Consider the 8-SMD package size for PCB layout constraints. Evaluate insertion loss and bandwidth parameters against system performance requirements. Verify compatibility with existing RF front-end architectures.

Part Context

This part belongs to Qualcomm's RFFE filter portfolio, which includes various SAW and BAW technologies. These filters are engineered for mobile, PC, and IoT applications. The series typically addresses 5G/4G multimode modem-RF systems. Components in this line utilize advanced packaging for low-loss performance in small form factors.

Replacement Considerations

Check for official manufacturer recommended substitutes if this part is discontinued. Verify electrical parameter equivalence before substitution. Ensure package dimensions and pinout compatibility. Review any product change notices affecting functionality.