B39881B4125U410

Overview

The B39881B4125U410 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm Technologies, designed for RF front-end applications. It operates at a center frequency of 881.5MHz with an insertion loss of 2.6dB. The component utilizes a 6-SMD, No Lead surface mount package, measuring 5.00mm in length and 3.50mm in width, with a maximum height of 1.45mm. It is RoHS compliant and classified under EAR99.

Feature Summary

• Utilizes Surface Acoustic Wave technology for signal filtering
• Designed for low-loss performance in compact form factors
• Supports cellular GSM band operations

Applications

• Cellular GSM systems
• Mobile communication devices
• RF front-end modules

Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with the manufacturer or authorized distributors before procurement. Confirm that the 6-SMD package dimensions align with your PCB footprint requirements. Ensure compatibility with your assembly process regarding moisture sensitivity levels and reflow soldering profiles as specified in the official documentation.

Selection Notes

Select this component when designing for GSM bands requiring an 881.5MHz center frequency. The 2.6dB insertion loss should be evaluated against system link budget requirements. The small 5.00mm x 3.50mm SMD package is suitable for space-constrained mobile and IoT designs. Verify that the SAW technology meets the linearity and power handling needs of the specific application environment.

Part Context

This part belongs to the Qualcomm RF front-end filter portfolio, which includes various SAW and BAW technologies. These filters are engineered to address challenges in 5G, 4G, Wi-Fi, and GNSS systems. The B39881 series specifically targets cellular applications, providing essential filtering for reliable connectivity in multimode devices.

Replacement Considerations

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