B39431B3732H110

Overview

The B39431B3732H110 is a surface-mount SAW filter designed for LTE Band 3 (1800 MHz) applications. It provides high selectivity and low insertion loss to support uplink and downlink signals in mobile devices. The component operates within standard temperature ranges and meets automotive-grade reliability standards when specified with the appropriate suffix.

Feature Summary

• Optimized signal integrity for LTE Band 3 operations
• Compact surface-mount package design
• High rejection of adjacent band interference

Applications

• LTE Band 3 uplink filtering
• LTE Band 3 downlink filtering
• Smartphone RF front-end modules

Procurement Notes

Verify the complete part number against official datasheets to ensure correct pinout and thermal specifications. Confirm that the suffix matches the required packaging and quality grade. Cross-reference with authorized distributors to validate authenticity and traceability before procurement.

Selection Notes

Select this component based on its specific suitability for Band 3 frequency bands. Ensure compatibility with existing antenna tuning circuits. Evaluate insertion loss and power handling requirements against system specifications to maintain signal quality.

Part Context

This filter belongs to Qualcomm's portfolio of radio frequency front-end solutions. It supports global connectivity standards by addressing specific cellular band requirements. The device integrates into compact mobile platforms requiring efficient spectrum management.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify electrical parameter equivalence including center frequency and bandwidth. Ensure mechanical footprint compatibility if direct replacement is required.