CFUKF455KE1X-R0

Overview

The CFUKF455KE1X-R0 is a ceramic filter from the Murata CERAFIL series, designed for signal conditioning applications. It operates at a center frequency of 455 kHz with a nominal impedance of 1.5 kOhms. The component utilizes a chip package configuration featuring three pads for surface-mount board mounting. It supports automatic placement and reflow soldering processes while remaining resistant to washing procedures. The device functions within an operating temperature range of -20°C to +80°C.

Feature Summary

• Supports automatic placement and reflow soldering processes
• Withstands washing procedures after assembly
• Designed for surface-mount board integration

Applications

• Communications equipment signal conditioning
• Intermediate frequency filtering in receivers
• Audio processing circuits requiring 455 kHz discrimination

Procurement Notes

Verify current lifecycle status as the part may be obsolete or end-of-life. Confirm availability through authorized distributors or direct manufacturer channels. Check for RoHS compliance documentation prior to procurement. Ensure storage conditions account for humidity sensitivity if applicable. Validate pinout and footprint compatibility with existing PCB designs before ordering.

Selection Notes

Select this component when a 455 kHz ceramic filter with 1.5 kOhm impedance is required for surface-mount assembly. Consider the CFU series characteristics for applications needing robustness against washing processes. Evaluate thermal performance within the specified -20°C to +80°C range. Compare physical dimensions of 7.50mm x 6.00mm against available board space constraints.

Part Context

This component belongs to the Murata CERAFIL family of ceramic filters. These devices are engineered for communication systems requiring precise frequency selection. The CFU series specifically targets surface-mount implementations. Similar parts include other variants within the 455 kHz band offering different element counts or impedance values.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.