SF2254E

Overview

The RFMi SF2254E is a Surface Acoustic Wave (SAW) bandpass filter designed for signal conditioning applications. It operates at a center frequency of 872.5 MHz with a bandwidth of 15 MHz, covering the range from 865 MHz to 880 MHz. The component features a 50 Ohm impedance and a maximum insertion loss of 2.7 dB. Rated for 3 V, it utilizes an SMD/SMT mounting type in an SM-3030-6 package. The device supports board mount installation and functions within a temperature range of -45°C to +125°C.

Feature Summary

• Utilizes Surface Acoustic Wave technology for precise signal filtering
• Provides bandpass filtering characteristics centered at 872.5 MHz
• Designed for surface-mount integration via SMD/SMT termination
• Operates reliably across extended industrial temperature ranges

Applications

• General purpose RF signal conditioning
• Wireless communication systems requiring 865-880 MHz filtering
• Industrial electronic equipment operating in extreme temperatures

Procurement Notes

Verify the specific manufacturer designation, as sources indicate both RFMi and Akoustis- RFMi branding for this part number. Confirm the package type matches the SM-3030-6 specification and ensure the voltage rating aligns with system requirements. Check RoHS compliance details directly from the official datasheet before finalizing procurement decisions.

Selection Notes

Select this component when a 15 MHz bandwidth at 872.5 MHz is required for RF signal paths. Ensure the design accommodates the 2.7 dB insertion loss and 50 Ohm system impedance. Verify that the physical dimensions of the SM-3030-6 package fit the available PCB real estate and that the thermal environment stays within the specified -45°C to +125°C operational limits.

Part Context

The SF2254E belongs to the SF series of SAW filters manufactured by RFMi. These components are categorized under signal conditioning products, specifically functioning as bandpass filters. The series is engineered for high-frequency applications requiring stable performance and compact form factors suitable for modern electronic assemblies.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official cross-reference guide or datasheet for verified alternatives.