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The B39311B3924H110 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm Technologies for RF front-end applications. It is designed for ceramic frontend filtering and operates within the sub-1 GHz frequency spectrum, specifically targeting remote control bands around 314 MHz. The component utilizes a surface mount package configuration suitable for automated assembly processes in consumer electronics manufacturing.
This component has been officially discontinued and is no longer in production. Verification of current availability requires checking authorized distributors for remaining stock or identifying approved parameter-equivalent substitutes. Designers must confirm end-of-life status before finalizing procurement plans to avoid supply chain disruptions.
Selection should focus on verifying compatibility with existing sub-GHz remote control architectures. Engineers must evaluate alternative components from the same manufacturer family that offer similar center frequencies and bandwidth specifications to ensure seamless integration without redesigning the RF front-end circuitry.
This part belongs to Qualcomm's extensive portfolio of RF front-end filters, which includes ultraBAW, ultraSAW, and TC-SAW technologies. These solutions are engineered to address RF design challenges in mobile, PC, and IoT applications, supporting multimode modem-RF systems across various wireless connectivity standards.
Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official Qualcomm resources or authorized distributors for recommended replacements.