SF2250E-1

Overview

The RFMi SF2250E-1 is a Surface Acoustic Wave (SAW) bandpass filter designed for signal conditioning applications. It operates at a center frequency of 1615 MHz with a bandwidth of 20 MHz, covering the range from 1605 MHz to 1625 MHz. The component features a 50 Ohm impedance and an insertion loss of 3.4 dB. It is rated for a maximum voltage of 3 V and utilizes an SM30 surface-mount package. The device supports board mounting and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Surface Acoustic Wave technology for precise signal filtering
• Designed for high-frequency bandpass applications
• Compact surface-mount construction for automated assembly

Applications

• Wireless communication systems
• RF front-end modules
• Signal conditioning circuits

Procurement Notes

Verify the specific suffix against official documentation to confirm functional equivalence, as ordering codes may indicate variations in packaging or testing criteria. Confirm RoHS compliance status through the manufacturer's current datasheet. Ensure the selected variant matches the required AEC-Q200 qualification if automotive standards are mandated for the target application environment.

Selection Notes

Select this component when a 1615 MHz center frequency with a 20 MHz bandwidth is required for RF signal processing. The 50 Ohm impedance aligns with standard transmission line characteristics. Consider the 3.4 dB insertion loss and 3 V rating during circuit design to ensure signal integrity and voltage tolerance within the specified operating temperature range.

Part Context

This part belongs to the SF series of SAW filters manufactured by RFMi. These components are engineered for robust performance in demanding RF environments. The SF series typically offers reliable filtering solutions for various wireless standards, providing consistent electrical characteristics across production batches.

Replacement Considerations

The SF2250E is a related variant within the same product family. Verify pinout compatibility and exact electrical specifications before substitution.