B39431B3740H110

Overview

The B39431B3740H110 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm, designed for remote control applications. It operates at a center frequency of 433.92 MHz with a bandwidth of 340 kHz and an insertion loss of 1.9 dB. The component features a 6-SMD, no-lead package measuring 3.00 mm x 3.00 mm with a maximum height of 1.00 mm. It supports a voltage rating of 6 V and a system impedance of 50 Ohms. Operating temperatures range from -45°C to +125°C. The device meets AEC-Q200 standards and complies with RoHS3 regulations.

Feature Summary

• Surface Acoustic Wave technology optimized for RF signal conditioning in remote control systems
• AEC-Q200 qualification ensuring reliability for automotive-grade environments
• Compact 3.00 mm x 3.00 mm surface-mount footprint for space-constrained designs
• Wide operating temperature range supporting extreme environmental conditions

Applications

• Automotive remote keyless entry systems
• Industrial, Scientific, and Medical (ISM) band equipment at 434 MHz
• Short-range wireless communication modules
• Remote control transmitters requiring robust RF filtering

Procurement Notes

Verify the specific suffix H110 against official Qualcomm documentation to confirm exact electrical tolerances and packaging specifications. Confirm current manufacturing status as product availability may vary. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Cross-reference datasheet parameters for insertion loss and bandwidth against system requirements before integration.

Selection Notes

Select this component for applications requiring precise 433.92 MHz filtering with low insertion loss. The AEC-Q200 qualification makes it suitable for automotive electronics where reliability is critical. Consider the 6-SMD package size for board layout constraints. Verify that the 6 V voltage rating and 50 Ohm impedance match the circuit design specifications.

Part Context

This part belongs to the B39431 series of RF front-end filters from Qualcomm. These components are engineered for high-performance signal conditioning in wireless communication devices. The series includes various SAW filters tailored for different frequency bands and application requirements, providing standardized solutions for RF interface challenges.

Replacement Considerations

B39431B3743H110 is listed as a similar alternative. Verify pinout compatibility and electrical parameter alignment before substitution.