B39122B1665U510

Overview

The B39122B1665U510 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm RF Front-End. It operates at a center frequency of 1.21 GHz and utilizes a 6-SMD, No Lead package with dimensions of 3.00mm x 3.00mm. The component belongs to the B1665 series and holds AEC-Q200 qualification. Its typical moisture sensitivity level is rated as Level 1, indicating unlimited exposure to ambient conditions.

Feature Summary

• Utilizes Surface Acoustic Wave technology for signal filtering
• AEC-Q200 qualified for automotive reliability standards
• Designed for compact surface-mount integration

Applications

• Automotive RF front-end systems
• Multimode mobile communication devices
• GNSS receiver modules

Procurement Notes

Verify current availability status as this component may be classified as obsolete or end-of-life. Confirm that the specific package configuration matches design requirements. Ensure compliance with RoHS3 specifications and check for any recent product change notifications affecting manufacturing sources or material composition prior to final procurement decisions.

Selection Notes

Select this component when a 1.21 GHz SAW filter is required for automotive-grade applications. The 6-SMD package suits space-constrained designs. Verify compatibility with target modem-RF architectures. Consider alternative models if higher bandwidth or different frequency ranges are needed for specific 4G/5G bands.

Part Context

This part belongs to Qualcomm's extensive portfolio of RF front-end filters, which includes ultraBAW, ultraSAW, and TC-SAW technologies. These solutions address 5G/4G, Wi-Fi, and GNSS challenges. The B39122B1665U510 specifically supports energy-efficient multiband device development in slim form factors for consumer and industrial IoT applications.

Replacement Considerations

Public documentation indicates this product is obsolete. Check for direct substitutes within the B1665 series or consult manufacturer resources for recommended replacement parts suitable for automotive RF filtering applications.