SF2248E-1

Overview

The RFMi SF2248E-1 is a surface acoustic wave (SAW) bandpass filter designed for signal conditioning applications. It operates at a center frequency of 314.45 MHz with a bandwidth of 5 MHz, covering a range from 313.8 MHz to 315.1 MHz. The component features a 50 Ohm impedance and a 3 V voltage rating. It utilizes SMD/SMT termination and is housed in an SM-3030-6 package. The device functions within a temperature range of -30°C to +70°C.

Feature Summary

• Surface acoustic wave technology for precise RF filtering
• Designed for general-purpose RF signal conditioning
• Compact surface-mount form factor

Applications

• General purpose RF systems
• Wireless communication devices
• Signal processing circuits

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to ensure correct electrical characteristics. Confirm that the SM-3030-6 package matches the design requirements. Check for any updated qualification standards or environmental compliance certifications prior to final procurement decisions.

Selection Notes

Select this component when a SAW filter centered at 314.45 MHz is required. Ensure the system impedance is 50 Ohms. Verify that the operating temperature range of -30°C to +70°C meets the application environment. Compare bandwidth specifications against other models if tighter filtering is needed.

Part Context

This part belongs to the SF series of signal conditioning components manufactured by RFMi. It is categorized under bandpass filters within the broader filter subcategory. The product is identified by Mouser as item 198-SF2248E-1.

Replacement Considerations

SF2248E is a related model in the same series. Verify if the bandwidth or package variations in alternative parts meet the specific circuit requirements before substitution.

FAQ

What is the center frequency of the SF2248E-1?

The center frequency is 314.45 MHz.

What package type does this filter use?

It uses an SM-3030-6 surface-mount package.