B39921B2672F210

Overview

The B39921B2672F210 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm. It operates at a center frequency of 914.7 MHz and features an insertion loss of 4 dB. The component is housed in an 8-SMD, no-lead package with dimensions of 3.80mm x 3.80mm and a maximum height of 1.50mm. Designed for wireless audio applications, it supports surface mount installation and complies with RoHS3 standards.

Feature Summary

• Utilizes Surface Acoustic Wave technology for RF filtering
• Optimized for wireless audio signal processing
• Compact 8-SMD footprint suitable for space-constrained designs

Applications

• Wireless audio systems
• RF front-end modules
• Mobile communication devices

Procurement Notes

Verify the specific datasheet revision and manufacturing origin before integration. Confirm that the 8-SMD package dimensions align with your PCB footprint requirements. Ensure compatibility with your assembly process regarding the no-lead terminal configuration and moisture sensitivity level classifications.

Selection Notes

Select this component when a SAW filter is required for the 914.7 MHz band within wireless audio architectures. Consider the 4 dB insertion loss impact on system gain and noise figure. Evaluate the 3.80mm x 3.80mm package size against available board real estate constraints during the schematic capture phase.

Part Context

This part belongs to the Qualcomm RF front-end filter portfolio, which includes various acoustic technologies such as ultraBAW and TC-SAW. These components are engineered to support multimode and multiband connectivity solutions across mobile, PC, and IoT platforms, addressing complex RF design challenges in modern wireless infrastructure.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided documentation.