B39251B3892H510

Overview

The B39251B3892H510 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm. It operates at a center frequency of 248.6MHz with a bandwidth of 430kHz and insertion loss of 4.7dB. The component is housed in a 10-SMD, no-lead package measuring approximately 3.20mm x 2.40mm with a maximum height of 1.00mm. Designed for base station applications, it supports RoHS3 compliance and has a Moisture Sensitivity Level (MSL) rating of 1.

Feature Summary

• Utilizes Surface Acoustic Wave technology for RF signal filtering
• Engineered specifically for base station infrastructure environments
• Provides compact surface-mount packaging for space-constrained designs

Applications

• Base station RF front-end systems
• Infrastructure-grade wireless connectivity hardware
• Outdoor and indoor access point filtering

Procurement Notes

Verify the specific datasheet revision and manufacturing origin before integration. Confirm that the 10-SMD package dimensions align with the target PCB footprint. Ensure compatibility with the intended base station operating environment regarding thermal and regulatory standards. Check for any recent Product Change Notifications affecting assembly or sourcing.

Selection Notes

Select this component when designing for base station architectures requiring a 248.6MHz SAW filter solution. Consider the 4.7dB insertion loss and 430kHz bandwidth against system link budget requirements. Evaluate the 10-SMD package size relative to available board real estate compared to alternative discrete or embedded filter options.

Part Context

This part belongs to the Qualcomm RF front-end filter portfolio, which includes ultraBAW, ultraSAW, and TC-SAW technologies. These filters address 5G/4G, Wi-Fi, and GNSS challenges. The B39251 series targets infrastructure applications, providing essential filtering for reliable performance in diverse deployment scenarios including small cells and routers.

FAQ

What is the primary application domain for this filter?

It is designed for base station RF front-end applications.

What is the center frequency specification?

The center frequency is 248.6MHz.