B39871B3715U410

Overview

The B39871B3715U410 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm RF360. It operates at a center frequency of 869 MHz with a bandwidth of 2 MHz and an insertion loss of 2.4 dB. Designed for signal conditioning, it features a 5 V voltage rating and 50 Ohms impedance. The component utilizes a 3 mm x 3 mm SMD/SMT package and supports board mounting. It functions within a temperature range of -45 C to +125 C.

Feature Summary

• Surface Acoustic Wave technology for efficient signal filtering
• Compact 3 mm x 3 mm ceramic package design
• Optimized for remote control applications

Applications

• Remote control systems
• ISM band signal conditioning

Procurement Notes

Verify the manufacturer designation as Qualcomm RF360 or Qualcomm RFFE filters in official documentation. Confirm the specific part number suffix U410 matches the required 869 MHz specification and 2.4 dB insertion loss parameters. Ensure compatibility with the 3 mm x 3 mm surface mount footprint and operating temperature range before integration.

Selection Notes

Select this component for designs requiring precise 869 MHz filtering with low insertion loss. The 2 MHz bandwidth suits narrowband remote control signals. Verify that the 50 Ohm impedance aligns with the system trace requirements. The wide operating temperature range supports industrial environments.

Part Context

This part belongs to the B39871 series of SAW filters from Qualcomm. These components are engineered for RF front-end applications, providing essential frequency selection. The series leverages advanced acoustic technologies to deliver performance in compact form factors suitable for modern wireless devices.

Replacement Considerations

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