B39871B3962B210

Overview

The B39871B3962B210 is a surface-mount SAW filter designed for LTE Band 3 (1805-1880 MHz) applications. It features a compact 1.6 x 1.2 mm package with 4 terminals. The component provides high selectivity and low insertion loss, supporting uplink and downlink operations in mobile devices.

Feature Summary

• Optimized for LTE Band 3 frequency range
• Compact surface-mount design for space-constrained PCBs
• High linearity performance for signal integrity

Applications

• LTE Band 3 mobile handsets
• Smartphones requiring dual-mode connectivity
• IoT devices operating in 1800 MHz bands

Procurement Notes

Verify the complete part number including suffixes against official Qualcomm documentation to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status through manufacturer datasheets prior to procurement.

Selection Notes

Select this component when designing for LTE Band 3 coverage. Ensure PCB layout matches the recommended footprint dimensions of 1.6 x 1.2 mm. Verify impedance matching networks align with the specified S-parameter data from the official datasheet.

Part Context

This SAW filter belongs to Qualcomm's portfolio of RF front-end solutions for cellular communications. It supports global roaming capabilities by addressing specific regional LTE bands. The technology leverages thin-film bulk acoustic resonator or SAW processes for efficient signal filtering.

Replacement Considerations

Consult official Qualcomm substitution guides for verified alternatives. Generic replacements may not match the exact 1.6 x 1.2 mm footprint or Band 3 performance characteristics. Validate any substitute against the original datasheet parameters.