B39172B4331P810

Overview

The B39172B4331P810 is a Surface Acoustic Wave (SAW) transmit filter designed for signal conditioning in RF front-end modules. It operates at a center frequency of 1.7475 GHz with a nominal system impedance of 50 Ohms. The component features an insertion loss of 2.6 dB and is housed in a compact 5-SMD, No Lead package suitable for board mount applications. It supports surface mount technology (SMD/SMT) and functions within a temperature range of -30°C to +85°C.

Feature Summary

• Utilizes Surface Acoustic Wave (SAW) technology for efficient signal filtering
• Optimized for low insertion loss performance in transmit paths
• Designed for integration into compact mobile and IoT form factors

Applications

• 4G/5G multimode cellular handsets
• IoT devices requiring reliable RF connectivity
• Mobile PC wireless communication systems

Procurement Notes

Verify the specific manufacturer part number against official Qualcomm documentation to ensure authenticity. Confirm that the received components match the specified 5-SMD package and RoHS compliance status. Check datasheets for any recent product change notifications or obsolescence notices prior to finalizing procurement plans.

Selection Notes

Select this component when designing RF front-ends for 1.7475 GHz bands requiring SAW-based transmit filtering. Ensure the design accommodates the 50 Ohm impedance and SMD mounting requirements. Consider the thermal operating range and insertion loss specifications relative to the system's power budget and sensitivity needs.

Part Context

This part belongs to the Qualcomm RF front-end (RFFE) filter portfolio, which includes various discrete and embedded solutions. These filters leverage technologies such as ultraSAW and TC-SAW to address challenges in 5G, 4G, Wi-Fi, and GNSS applications. The series aims to support energy-efficient multiband devices with slim form factors.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Qualcomm resources for potential cross-references or updated replacements.