SF1219E

Overview

The RFMi SF1219E is a Surface Acoustic Wave (SAW) filter designed for signal conditioning applications. It operates at a center frequency of 2.33875 GHz with a bandwidth of 12.5 MHz, covering a range from 2.3325 GHz to 2.345 GHz. The component features an impedance configuration of 50 ohms and 100 ohms and is rated for a maximum voltage of 3 V. It utilizes SMD/SMT termination and is housed in an SM-3030-8 package. The device supports an operating temperature range from -40 °C to +105 °C.

Feature Summary

• Utilizes Surface Acoustic Wave technology for precise signal filtering
• Designed for high-frequency signal conditioning in compact form factors
• Supports dual impedance configurations for flexible circuit integration

Applications

• Wireless communication systems requiring 2.3 GHz band filtering
• RF front-end modules for mobile devices
• Signal processing circuits in IoT hardware

Procurement Notes

Verify the specific datasheet version and RoHS compliance status before procurement. Confirm that the SM-3030-8 package dimensions align with your PCB footprint requirements. Ensure the 3 V rating and 50/100 Ohm impedance match your system design constraints. Check for any updated environmental certifications or manufacturing location changes in official documentation.

Selection Notes

Select this component when a SAW filter is required for the 2.33875 GHz frequency band. The SM-3030-8 package offers a small footprint suitable for space-constrained designs. Consider the 12.5 MHz bandwidth and dual impedance options to ensure compatibility with your RF chain. Verify thermal performance within the -40 °C to +105 °C range for your specific application environment.

Part Context

The SF1219E belongs to the RFMi SAW filter product line, categorized under signal conditioning components. It is part of a series of passive RF filters designed for wireless applications. The manufacturer specializes in providing standardized filter solutions for various frequency bands and packaging types.

Replacement Considerations

No public substitute part numbers are confirmed in the provided data.