B39171B3876U310

Overview

The B39171B3876U310 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm under the RF360 portfolio. It is designed for general-purpose RF applications, specifically targeting the 433.92 MHz frequency band. The component features a bandwidth of 1.3 dB, optimized for signal integrity in low-frequency communication systems.

Feature Summary

• Surface Acoustic Wave technology for efficient signal filtering
• Optimized for 433.92 MHz ISM band operations
• Designed for integration into compact RF front-end modules

Applications

• Industrial, Scientific and Medical (ISM) equipment operating at 433 MHz
• Low-power wireless sensor networks
• Remote keyless entry systems
• Telemetry and data transmission devices

Procurement Notes

Verify the specific datasheet version for the B39171B3876U310 to confirm package dimensions and terminal configurations. Ensure compatibility with the target PCB layout and soldering profile requirements specified by Qualcomm for this SAW component.

Selection Notes

Select this component when a narrow-band filter is required for the 433.92 MHz frequency range. Consider its insertion loss characteristics relative to system sensitivity requirements. Validate that the SAW technology aligns with the thermal and power handling needs of the application.

Part Context

This part belongs to Qualcomm's RF360 family of passive filters. These components are engineered to support multimode modem-RF systems. The B39171 series typically addresses specific sub-GHz bands used in IoT and industrial communications.

Replacement Considerations

Consult official Qualcomm documentation for qualified substitute part numbers. Cross-referencing requires matching the center frequency, bandwidth, and package type precisely.