B39921B3949H110

Overview

The B39921B3949H110 is a Surface Acoustic Wave (SAW) RF filter manufactured by Qualcomm. It operates at a center frequency of 921.42MHz with a bandwidth of 3.4dB and insertion loss of 3.4dB. The component is housed in a compact 6-SMD, No Lead package measuring 3.0mm x 3.0mm with a maximum height of 1.00mm. Designed for digital cable applications, it utilizes advanced acoustic filtering technology to ensure signal integrity within RF front-end systems.

Feature Summary

• Utilizes Surface Acoustic Wave (SAW) technology for high-performance RF filtering
• Optimized specifically for digital cable communication applications
• Engineered for low-loss performance in small form factor designs

Applications

• Digital Cable Systems
• RF Front-End Modules
• Wireless Communication Infrastructure

Procurement Notes

This component is officially obsolete and no longer manufactured by the supplier. Verification of availability should focus on authorized distributors offering surplus stock or qualified replacement alternatives. Ensure any sourced units are genuine and match the original specifications to maintain system compliance and performance standards.

Selection Notes

Select this part only if the specific 921.42MHz center frequency and digital cable application requirements align with the design. Due to its discontinued status, engineers must evaluate equivalent components from the manufacturer's current portfolio that offer compatible electrical characteristics and physical dimensions for seamless integration.

Part Context

Part of Qualcomm’s RF front-end filter portfolio, leveraging proprietary SAW technologies. These filters support multimode modem-RF systems across mobile, PC, and IoT sectors. The series aims to improve RF performance while enabling energy-efficient device development in slim form factors for diverse connectivity needs.

Replacement Considerations

B39921B3705Z810 is listed as a similar substitute option.