RF3631D

Overview

The RF3631D is an active Surface Acoustic Wave (SAW) bandpass filter manufactured by RFMi, an Akoustis brand. Designed for signal conditioning in wireless applications, it operates at a center frequency of 427.5 MHz with a bandwidth ranging from 19.5 MHz to 23.6 MHz. The component features a maximum insertion loss of 1.5 dB and is rated AEC-Q200 for automotive reliability. It utilizes a surface mount package with a maximum height of 1.50 mm, suitable for integration into transmitters requiring precise frequency control within the 420 MHz to 435 MHz range.

Feature Summary

• Surface mount SAW technology for compact integration
• AEC-Q200 qualified for automotive environment reliability
• Low insertion loss design for efficient signal transmission

Applications

• Automotive transmitter frequency control
• Wireless communication signal conditioning
• Bandpass filtering in RF front-ends

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the AEC-Q200 rating aligns with your target application's environmental requirements. Cross-reference the center frequency and bandwidth parameters with system schematics to guarantee compatibility with existing RF circuit designs before finalizing procurement.

Selection Notes

Select this component when a low-loss SAW filter is required for the 427.5 MHz band in automotive or high-reliability wireless systems. The AEC-Q200 certification makes it suitable for harsh environments where standard commercial parts may fail. Ensure the PCB layout accommodates the specified surface mount footprint and thermal constraints during soldering processes defined in the datasheet.

Part Context

RFMi, now part of Akoustis Technologies, specializes in RF components based on SAW, crystal, and ceramic technologies. The RF3631D belongs to their SAW filter portfolio, designed to provide precise frequency selection for digital and wireless communications. This product line emphasizes miniaturization and performance stability for modern mobile and automotive electronics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Engineers should consult the manufacturer's official substitution guide or contact technical support directly for validated alternatives that match the electrical and mechanical specifications.