SF2133E-3

Overview

The RFMi SF2133E-3 is a low-loss Surface Acoustic Wave (SAW) bandpass filter designed for signal conditioning applications. It operates at a center frequency of 1.7475 GHz with a bandwidth of 75 MHz, covering the range from 1.71 GHz to 1.785 GHz. The component features a 50 Ohm impedance and an insertion loss of 2.3 dB. It is rated for a maximum voltage of 3 V and functions within a temperature range of -45°C to +105°C. The device is housed in an SM3030-6 surface-mount package.

Feature Summary

• Utilizes Surface Acoustic Wave technology for efficient RF signal filtering
• Provides low insertion loss characteristics for minimal signal attenuation
• Designed for board mount installation in compact electronic systems

Applications

• General purpose RF signal conditioning
• Wireless communication modules operating in the 1.7 GHz band
• Mobile device front-end circuitry

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to ensure correct electrical specifications and packaging configuration. Confirm RoHS compliance status through current datasheets as regulatory requirements may evolve. Cross-reference the part number with authorized distributor catalogs to validate authenticity and sourcing channels before procurement.

Selection Notes

Select this component when a narrowband filter is required for the 1.71–1.785 GHz spectrum with strict size constraints. The SM3030-6 package suits high-density PCB layouts. Ensure the system voltage does not exceed 3 V and that the operating environment remains within the specified thermal limits for reliable performance.

Part Context

This component belongs to the SF series of SAW filters manufactured by RFMi. These devices are engineered for general-purpose RF applications requiring precise frequency selection. The series typically offers standardized footprints and consistent electrical performance across various center frequencies to facilitate design reuse.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult the manufacturer's official substitution guide or contact technical support for validated alternatives.