B39851B1256L210

Overview

The B39851B1256L210 is a Surface Acoustic Wave (SAW) filter component manufactured by Qualcomm RF Front-End. It functions as an RF duplexer designed for wireless connectivity applications. The device utilizes advanced acoustic filtering technology to manage signal transmission and reception within radio frequency front-end modules. This specific part number has been officially withdrawn from the product range to streamline the manufacturer's portfolio of RF360 components.

Feature Summary

• Integrated SAW-based duplexing capability for RF signal management
• Designed for use in multimode and multiband wireless systems
• Utilizes proprietary acoustic filter technologies for performance optimization

Applications

• Mobile communication devices requiring RF front-end filtering
• Wireless infrastructure equipment
• IoT connectivity modules

Procurement Notes

This component is officially discontinued and withdrawn from production. No new units are available through standard procurement channels. Engineers must identify alternative solutions or qualified substitute parts that meet the original design specifications. Verify current availability status with authorized distributors before initiating any design-in process, as supply chain support for this specific identifier is no longer active.

Selection Notes

Due to the official withdrawal of this part, direct replacement selection requires careful evaluation of compatible alternatives. Designers should consult updated qualification lists for equivalent RF360 components. Ensure that any selected substitute maintains compatibility with existing system architectures and meets required regulatory standards for the target application environment.

Part Context

This component belongs to the Qualcomm RF360 family of RF front-end filters. The broader portfolio includes various discrete and embedded filters utilizing ultraBAW, ultraSAW, and TC-SAW technologies. These products are engineered to address complex RF design challenges in 5G, 4G, Wi-Fi, and GNSS applications across mobile and IoT sectors.

Replacement Considerations

Official documentation confirms the withdrawal of B39851B1256L210. Specific public substitute part numbers are not provided in the available source material. Users must refer to Qualcomm's official withdrawal notices or contact technical support for validated alternative component recommendations.