B39431B3735H110

Overview

The B39431B3735H110 is a Surface Acoustic Wave (SAW) RF filter manufactured by Qualcomm. It operates at a center frequency of 433.42MHz with an insertion loss of 2.2dB and a bandwidth of 360kHz. The component utilizes a 6-SMD, no-lead package measuring 3.00mm x 3.00mm x 1.00mm. Designed for remote control applications, it complies with RoHS3 standards and holds an MSL rating of 1.

Feature Summary

• Surface Acoustic Wave technology for signal filtering
• Optimized for remote control RF applications
• Compact surface-mount design

Applications

• Remote control systems
• ISM band filtering

Procurement Notes

Verify the current manufacturing status before procurement as this part may be obsolete or subject to change. Confirm that the 6-SMD package dimensions and electrical parameters match the specific circuit requirements. Ensure compliance with RoHS3 regulations is required for the target assembly process.

Selection Notes

Select this component when a narrowband SAW filter is required for 433.42MHz ISM band operations. The 3x3mm footprint offers space efficiency compared to larger packages. Verify compatibility with existing PCB layouts designed for 6-terminal SMD components.

Part Context

This device belongs to the B39431 series of RF front-end filters from Qualcomm. The series includes various SAW and resonator components tailored for industrial, consumer, and automotive applications. This specific model targets the 433MHz frequency range commonly used in wireless control interfaces.

Replacement Considerations

B39431B3743H110 is listed as a similar alternative part number.