B39921B4344F210

Overview

The B39921B4344F210 is a Surface Acoustic Wave (SAW) RF filter manufactured by Qualcomm for front-end applications. It operates as an industrial-grade component designed to reduce noise and improve signal quality in wireless systems. The device utilizes advanced acoustic technologies to achieve low-loss performance within an exceptionally small form factor, supporting multimode modem-RF systems across mobile, PC, and IoT applications.

Feature Summary

• Industrial-grade SAW filter design
• Noise reduction and signal quality improvement
• Low-loss performance in compact packaging

Applications

• RF front-end systems
• Wireless connectivity devices
• Multimode modem-RF systems

Procurement Notes

Verify the specific datasheet version and package dimensions against current design requirements. Confirm that the industrial-grade classification aligns with environmental operating conditions. Ensure compatibility with existing surface mount assembly processes and reflow profiles specified by the manufacturer for this component type.

Selection Notes

Select this component when industrial reliability and compact size are critical for RF filtering. Consider its suitability for multimode systems requiring low insertion loss. Evaluate the 5-SMD no-lead package constraints against board space limitations. Verify support for required frequency bands and power handling capabilities for the target application environment.

Part Context

This part belongs to Qualcomm's RFFE filter portfolio, leveraging ultraSAW or TC-SAW technologies. It addresses design challenges in 5G/4G, Wi-Fi, and GNSS applications. The series supports energy-efficient multiband devices in slim form factors for infrastructure, consumer, and IoT markets.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.