B39871B3948H110

Overview

The B39871B3948H110 is a surface-mount SAW filter designed for LTE Band 3 (1800 MHz) applications. It features a compact 2.5mm x 2.0mm x 0.6mm package, suitable for mobile handsets and tablets. The component provides high selectivity and low insertion loss to support carrier aggregation scenarios. It operates within a temperature range of -40°C to +85°C and meets automotive AEC-Q100 Grade 1 standards for reliability in demanding environments.

Feature Summary

• Optimized surface-mount technology for space-constrained mobile devices
• High linearity performance supporting advanced carrier aggregation modes
• Robust thermal stability ensuring consistent operation across wide temperature ranges

Applications

• LTE Band 3 transceivers in smartphones
• Tablet communication modules requiring compact RF filtering
• IoT devices operating in the 1800 MHz spectrum

Procurement Notes

Verify the specific suffix H110 against the manufacturer's latest datasheet to confirm tape-and-reel packaging specifications and pin configuration. Ensure compatibility with existing PCB footprint designs before integration into production lines.

Selection Notes

Select this component when designing for LTE Band 3 uplink or downlink paths requiring minimal signal degradation. Consider its small form factor for dense board layouts and verify thermal management requirements align with the specified operating range.

Part Context

This part belongs to Qualcomm’s portfolio of RF front-end solutions targeting global LTE bands. It complements other filters in the series by addressing specific frequency allocations with tailored impedance matching and isolation characteristics for modern wireless standards.

Replacement Considerations

Consult official substitution lists for equivalent SAW filters from the same manufacturer. Verify pinout compatibility and electrical parameters before replacing existing components in established designs.