CFUKF455KC4X-R0

Overview

The CFUKF455KC4X-R0 is a ceramic bandpass filter from the Murata CERAFIL CFU series, designed for signal conditioning applications. It operates at a center frequency of 455 kHz with a nominal impedance of 1 kOhms. The component utilizes surface-mount technology (SMD/SMT) and is housed in a compact chip package. It functions within an operating temperature range of -20°C to +80°C. This device is engineered to provide precise frequency selection and interference rejection in electronic circuits requiring stable intermediate frequency filtering.

Feature Summary

• Provides precise bandpass filtering at a fixed 455 kHz center frequency
• Utilizes robust ceramic construction for stable signal conditioning
• Designed for surface-mount board integration

Applications

• Intermediate frequency stages in communication receivers
• Signal processing circuits requiring 455 kHz selectivity
• Electronic equipment utilizing standard AM broadcast frequencies

Procurement Notes

Verify current availability status as distribution channels may indicate limited stock or end-of-life conditions. Confirm that the specified 1 kOhm impedance matches your circuit design requirements. Ensure compatibility with surface-mount assembly processes. Check for updated datasheets regarding mechanical dimensions and soldering profiles before finalizing procurement plans.

Selection Notes

Select this component when a 1 kOhm impedance interface is required for 455 kHz filtering. Compare against other CFU series variants if different impedance levels such as 2 kOhms are needed. Consider the operating temperature range of -20°C to +80°C for environmental suitability. Verify that the SMD package format aligns with existing PCB footprint constraints.

Part Context

This part belongs to the Murata CERAFIL CFU series of ceramic filters. These components are widely used in consumer electronics and industrial equipment for intermediate frequency applications. The CFU series offers various impedance options and frequency centers to support diverse signal conditioning needs across multiple industries.

Replacement Considerations

Consult official substitution lists for compatible alternatives. Other CFU series parts with similar specifications may serve as functional replacements if impedance and frequency parameters match.