B39431B3790Z810

Overview

The B39431B3790Z810 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm. It operates at a center frequency of 433.92MHz, designed for remote control applications. The device features an insertion loss of 3.6dB and a bandwidth of 120kHz. It is housed in an 8-SMD, no-lead package with dimensions of 0.150" L x 0.150" W (3.80mm x 3.80mm) and a maximum height of 0.059" (1.50mm).

Feature Summary

• Surface Acoustic Wave technology for RF signal filtering.
• Optimized for remote control frequency bands.
• Compact surface-mount design for PCB integration.

Applications

• Remote control systems
• RF front-end modules

Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure compatibility with target designs. Confirm that the 8-SMD package dimensions and electrical parameters match system requirements. Check for any recent Product Change Notifications or lifecycle status updates from Qualcomm before finalizing procurement plans.

Selection Notes

Select this component when a SAW filter with a 433.92MHz center frequency and 120kHz bandwidth is required. Ensure the 8-SMD footprint fits the board layout. Consider insertion loss specifications relative to system sensitivity needs. Verify RoHS compliance if environmental regulations apply to the end product.

Part Context

This component belongs to the Qualcomm B39431 series of RF front-end filters. These devices are engineered for wireless communication applications requiring precise frequency selection. The series utilizes SAW technology to provide effective signal filtering in compact packages suitable for modern electronic devices.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult official Qualcomm documentation for potential alternatives or updated series replacements.