B39881B7925P810S03

RF Multiplexers Overview

The B39881B7925P810S03 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm Technologies, specifically classified as an RF duplexer. Designed for mobile communications, this component operates at a center frequency of 2520 MHz and utilizes a Small Outline Device (SMD) surface-mount package configuration. It functions as a critical filtering element within the radio frequency front-end architecture, facilitating signal separation in duplex transmission systems. The device supports multimode and multiband wireless connectivity requirements, ensuring reliable performance in consumer electronics and infrastructure applications requiring precise frequency selection.

RF Multiplexers Feature Summary

• Implements Surface Acoustic Wave (SAW) technology for high-performance signal filtering
• Functions as a dedicated RF duplexer for transmit/receive signal isolation
• Utilizes compact surface-mount device (SMD) packaging for integration
• Optimized for mobile communication systems and 4G/5G multimode architectures

RF Multiplexers Applications

• Mobile smartphone RF front-end modules
• Tablet and portable computing devices
• IoT cellular connectivity hardware
• Wireless infrastructure base stations and small cells

RF Multiplexers Procurement Notes

This component is officially designated as obsolete and is no longer manufactured by Qualcomm. Procurement activities are restricted to secondary market distributors or surplus inventory channels. Verify authenticity and storage history carefully, as end-of-life status may affect long-term supply continuity. Ensure compatibility with existing design specifications before sourcing from non-original suppliers.

RF Multiplexers Selection Notes

Engineers should evaluate alternative components due to the discontinued status of this part. Consider current-generation SAW or BAW duplexers from Qualcomm’s active portfolio that support equivalent frequency bands. Validate replacement options against system-level requirements including insertion loss, bandwidth, and thermal characteristics to maintain signal integrity in modern wireless designs.

RF Multiplexers Part Context

Qualcomm Technologies provides an extensive portfolio of RF front-end filters, including discrete and embedded duplexers, diplexers, and extractors. These products leverage advanced acoustic technologies such as ultraBAW, ultraSAW, and TC-SAW to address complex RF design challenges. The B39881 series represents a segment of their historical filter offerings tailored for mobile and infrastructure applications requiring robust frequency management.

RF Multiplexers Replacement Considerations

No public confirmed substitute part numbers are available in official documentation. Due to the obsolete status, engineers must identify functional equivalents based on electrical specifications rather than direct cross-references. Consult current Qualcomm product guides for active SAW/BAW alternatives.