B39431B3770Z810

Overview

The B39431B3770Z810 is a Surface Acoustic Wave (SAW) bandpass filter manufactured by Qualcomm. Designed for remote control applications, it operates at a center frequency of 433.92 MHz with a bandwidth of 120 kHz and an insertion loss of 1.9 dB. The component utilizes an 8-SMD, no-lead package measuring 3.80mm x 3.80mm with a maximum height of 1.50mm. It meets AEC-Q200 standards and complies with RoHS3 regulations.

Feature Summary

• Surface Acoustic Wave technology for RF signal conditioning
• Optimized for short-range device remote control systems
• Automotive-grade reliability certification

Applications

• Short Range Device (SRD) remote controls
• ISM band signal filtering
• RF front-end modules

Procurement Notes

Verify the specific suffix Z810 to confirm the 8-SMD package configuration and tape-and-reel packaging format. Ensure compatibility with surface-mount assembly processes. Confirm current availability status as distribution channels may vary. Cross-reference datasheet revisions to ensure compliance with latest environmental standards.

Selection Notes

Select this component for applications requiring precise 433.92 MHz filtering in compact layouts. The 8-pin SMD footprint suits high-density designs. Consider the 1.9 dB insertion loss and 120 kHz bandwidth when designing for signal integrity. Verify thermal management requirements for the specified package dimensions.

Part Context

This part belongs to the B39431 series of RF SAW filters from Qualcomm. These components are engineered for robust performance in consumer electronics and automotive remote access systems. The series offers various frequency options and package sizes tailored for different integration needs within the ISM band spectrum.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.