SF2177E-1

Overview

The RFMi SF2177E-1 is a Surface Acoustic Wave (SAW) filter designed for signal conditioning applications. It operates at a center frequency of 1472 MHz with a bandwidth of 40 MHz, covering the range from 1452 MHz to 1492 MHz. The device features an insertion loss of typically 3.3 dB and a maximum of 4.5 dB within the specified band. It supports a voltage rating of 3 V and utilizes 50 Ohm and 100 Ohm impedance configurations. Packaged in an SM3030-6 surface-mount format, it functions reliably between -40°C and +85°C.

Feature Summary

• AEC-Q200 qualified for automotive reliability standards
• Low insertion loss performance for efficient signal transmission
• Compact surface-mount design suitable for space-constrained layouts

Applications

• Automotive communication systems requiring AEC-Q200 compliance
• UHF signal filtering in general-purpose electronic devices
• Band-pass filtering for 1472 MHz frequency ranges

Procurement Notes

Verify the specific suffix designation when ordering, as variants such as SF2177E-1 and SF2177E may differ in package pin count or electrical tolerances. Confirm AEC-Q200 qualification status if automotive deployment is intended. Ensure compatibility with SM3030-6 footprint dimensions during PCB layout. Cross-reference datasheets for precise insertion loss and bandwidth limits against system requirements before finalizing procurement decisions.

Selection Notes

Select this component for applications demanding high-frequency stability at 1472 MHz with minimal signal degradation. The AEC-Q200 certification makes it suitable for harsh automotive environments where thermal cycling and vibration resistance are critical. Compare insertion loss specifications against alternative SAW filters to ensure optimal link budget performance. Verify that the 40 MHz bandwidth aligns with the required channel spacing for the target communication protocol.

Part Context

This part belongs to the RFMi SF series of low-loss UHF SAW filters. These components are engineered for precision frequency selection in radio frequency front-end modules. The series emphasizes compact form factors and robust performance across wide temperature ranges, catering to modern wireless infrastructure and mobile device requirements.

Replacement Considerations

Direct substitutes must match the 1472 MHz center frequency, 40 MHz bandwidth, and SM3030-6 package. Verify equivalent AEC-Q200 qualification and similar insertion loss characteristics to maintain system integrity.