B39921B4344P810

Overview

The B39921B4344P810 is a Surface Acoustic Wave (SAW) RF filter manufactured by Qualcomm. It operates at a center frequency of 915 MHz with a bandwidth of 26 MHz and an insertion loss of 2.8 dB. The component is housed in a 5-SMD, No Lead package measuring 0.055 inches long by 0.043 inches wide.

Feature Summary

• Surface Acoustic Wave technology for RF filtering
• General purpose application design
• Compact surface mount packaging

Applications

• Wireless audio systems
• Remote control applications
• Industrial IoT connectivity

Procurement Notes

Verify the specific datasheet version and RoHS compliance status before integration. Confirm that the 5-SMD package dimensions align with the target PCB footprint. Ensure ESD handling procedures are followed during assembly to maintain device integrity.

Selection Notes

Select this component for designs requiring a 915 MHz SAW filter with low profile. Compare insertion loss and bandwidth specifications against system requirements. Evaluate the 5-SMD package size relative to available board space constraints.

Part Context

This part belongs to the Qualcomm RF Front-End (RFFE) filter portfolio. These filters utilize acoustic technologies to address RF design challenges in mobile and IoT devices. The product line supports multiband and multimode wireless connectivity solutions.

Replacement Considerations

Public documentation lists B39921B3705Z810 as a similar substitute. Verify electrical compatibility and pin configuration before replacement.