B39861B3821Z810

Overview

The B39861B3821Z810 is a Surface Acoustic Wave (SAW) filter designed for TETRA applications. It operates at a center frequency of 860.5MHz with a bandwidth of 19MHz and an insertion loss of 2.2dB. The component is housed in an 8-SMD, no-lead package measuring 3.80mm x 3.80mm with a maximum height of 1.50mm. It features Moisture Sensitivity Level 1 (unlimited) and complies with RoHS3 standards.

Feature Summary

• Surface Acoustic Wave technology optimized for TETRA band filtering
• Compact 8-SMD surface mount package suitable for space-constrained designs
• Low moisture sensitivity rating enabling standard reflow soldering processes

Applications

• TETRA radio systems
• Public safety communication devices
• Professional mobile radios

Procurement Notes

Verify the specific datasheet version before integration, as manufacturing changes may occur. Confirm that the 8-SMD footprint matches the target PCB layout exactly. Ensure design compatibility with the specified 860.5MHz center frequency for the intended TETRA application requirements.

Selection Notes

Select this component when a SAW filter is required specifically for TETRA bands around 860.5MHz. Consider the 8-SMD package dimensions against available board space. Evaluate the 2.2dB insertion loss against system link budget requirements to ensure adequate signal performance.

Part Context

This part belongs to the Qualcomm RF front-end filter portfolio, utilizing acoustic technologies for wireless connectivity solutions. It serves as a discrete filtering component within larger RF transceiver chains, providing necessary frequency selectivity for specialized communication protocols like TETRA.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.