SF2437D

Overview

The SF2437D is a Surface Acoustic Wave (SAW) filter manufactured by RFMi, designed for signal conditioning applications. It operates at a center frequency of 480 MHz with a bandwidth ranging from 470 MHz to 490 MHz. The component features a 50 Ohm impedance and an insertion loss of 3.5 dB. It is rated for a maximum voltage of 3 V and supports SMD/SMT termination styles within the SM3838-8 package. The device functions reliably across a temperature range of -45°C to +125°C.

Feature Summary

• Utilizes Surface Acoustic Wave technology for precise RF signal filtering
• Optimized for general-purpose RF applications in the 470-490 MHz band
• Designed for board mount installation using SMD/SMT termination

Applications

• General purpose RF signal conditioning
• Wireless communication systems operating near 480 MHz
• Digital equipment requiring intermediate frequency filtering

Procurement Notes

Verify the specific manufacturer designation, as RFMi is a brand of Akoustis. Confirm the package variant matches the SM3838-8 specification. Ensure the required operating temperature range aligns with the -45°C to +125°C rating. Check for any specific RoHS compliance documentation if required by your assembly standards. Validate that the 3V voltage rating meets your circuit requirements.

Selection Notes

Select this component when a SAW filter is required for the 470-490 MHz frequency range. The 50 Ohm impedance makes it suitable for standard RF transmission lines. Consider the SM3838-8 package size for PCB layout constraints. The wide operating temperature range supports industrial or automotive environments. Verify that the 3.5 dB insertion loss is acceptable for your link budget calculations.

Part Context

The SF2437D belongs to the SF series of SAW filters produced by RFMi, an Akoustis brand. These components are engineered for digital and wireless applications using SAW, Xtal, and Ceramic technologies. The series focuses on providing reliable signal conditioning solutions for various RF frequencies.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official RFMi/Akoustis documentation for cross-reference information.