CFUKG455KE4A-R0

Overview

The CFUKG455KE4A-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 1.5 kOhms. The device features a bandwidth of 7.5 kHz and utilizes a chip package with three pads. This component is manufactured by Murata Electronics and falls under the signal conditioning product category.

Feature Summary

• Utilizes ceramic technology for stable signal filtering performance
• Designed as a compact surface-mount chip component
• Provides specific bandpass characteristics for intermediate frequency stages

Applications

• Intermediate frequency (IF) filtering in communication receivers
• Signal conditioning circuits requiring 455 kHz center frequency
• Electronic systems utilizing 1.5 kOhm impedance matching

Procurement Notes

Verify the current lifecycle status directly with Murata Electronics or authorized distributors, as availability may vary. Confirm that the 3-pad J-Lead or chip configuration matches your PCB footprint requirements. Ensure the datasheet specifications align with your system's impedance and bandwidth needs before finalizing procurement decisions.

Selection Notes

Select this component when a 455 kHz center frequency and 1.5 kOhm impedance are required. The 7.5 kHz bandwidth defines its selectivity. Compare against other CFU series variants if different element counts or package styles are needed. Ensure the operating temperature range meets your application environment constraints.

Part Context

This part belongs to the Murata CERAFIL CFU series of ceramic filters. These components are widely used in analog and digital communication equipment. The CFU series offers various configurations to suit different circuit board space and electrical performance requirements within the radio frequency and intermediate frequency domains.

Replacement Considerations

Check for direct substitutes within the CFU series, such as CFUKF455KD1X-R0 or CFUKG455KD4A-R0, ensuring identical electrical parameters. Verify pin compatibility and package dimensions before substitution.