B39122B4049U410

Overview

The B39122B4049U410 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm. It operates at a center frequency of 1.24GHz with a bandwidth of 20MHz and an insertion loss of 2.9dB. The component utilizes a 6-SMD, no-lead surface mount package measuring 0.118 inches square by 0.048 inches high. This device is designed for RF filtering applications within wireless communication systems.

Feature Summary

• Utilizes Surface Acoustic Wave technology for signal filtering
• Designed for compact surface-mount integration
• Engineered for specific RF frequency band isolation

Applications

• RF front-end modules in mobile devices
• Wireless communication baseband processing
• Multimode modem-RF systems

Procurement Notes

Verify the obsolete status of this component before design finalization. Confirm availability through authorized distributors or secondary markets. Ensure compatibility with existing PCB footprints and reflow profiles. Check for alternative sourcing options due to potential supply constraints associated with discontinued parts.

Selection Notes

Select this part for designs requiring a 1.24GHz SAW filter with specified 20MHz bandwidth. Evaluate the 2.9dB insertion loss against system link budget requirements. Consider the 6-SMD package dimensions for board space constraints. Verify that the obsolete status does not conflict with long-term production lifecycle goals.

Part Context

This component belongs to the Qualcomm RF front-end filter portfolio, which includes various SAW and BAW technologies. These filters support 5G/4G and Wi-Fi applications. The B39122 series addresses specific frequency bands for mobile and IoT connectivity solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, engineering change orders may be necessary to adopt alternative components from other manufacturers or newer Qualcomm generations.