CFWLA455KHFA-B0

Overview

The Murata CFWLA455KHFA-B0 is a ceramic bandpass filter designed for intermediate frequency signal conditioning. It operates at a center frequency of 455 kHz with a nominal impedance of 2 kOhms. The device features a 3 kHz bandwidth and utilizes a cube package with five pins for through-hole board mounting. It functions within an operating temperature range of -20°C to +80°C.

Feature Summary

• Utilizes ceramic technology for stable intermediate frequency filtering
• Provides precise 3 kHz bandwidth selection for signal conditioning
• Features a compact cube package with five-pin configuration

Applications

• Intermediate frequency stages in AM radio receivers
• Signal processing circuits requiring 455 kHz center frequency
• Consumer electronics utilizing ceramic filter components

Procurement Notes

This component is officially classified as End-of-Life (EOL) by the manufacturer. Verify current availability status through authorized distributors, as production has ceased. Ensure compliance with RoHS and REACH regulations before integration into new designs.

Selection Notes

Select this part for legacy designs requiring a 2 kOhm impedance ceramic filter at 455 kHz. Confirm that the 3 kHz bandwidth meets system requirements. Evaluate alternative surface-mount or leaded options from the same series if volume procurement is necessary due to discontinuation.

Part Context

This component belongs to the Murata CERAFIL CFWLA series of ceramic filters. These devices are engineered for high-reliability applications in consumer electronics. The specific model provides a standardized solution for fixed-frequency filtering tasks in analog signal paths.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consider reviewing the broader CFWLA series datasheet for compatible alternatives with similar electrical characteristics.