CFWLA455KD1Y-B0

Overview

The Murata CFWLA455KD1Y-B0 is a discontinued ceramic bandpass filter designed for signal conditioning applications. It operates at a center frequency of 455 kHz with a nominal impedance of 1.5 kOhms. The component features a five-lead through-hole cube package, measuring approximately 11.0 mm in length and 7.0 mm in width. It supports an operating temperature range from -20°C to +80°C. This device belongs to the CERAFIL series and is intended for use in circuits requiring precise intermediate frequency filtering.

Feature Summary

• Utilizes ceramic material technology for stable bandpass filtering characteristics
• Features a five-pin through-hole cube package for board mounting
• Designed for intermediate frequency signal conditioning at 455 kHz

Applications

• Intermediate frequency stages in AM radio receivers
• Signal processing circuits requiring 455 kHz filtering
• Communication equipment utilizing ceramic filter technology

Procurement Notes

This component is officially classified as obsolete by the manufacturer. Verification of current availability requires checking authorized distributors for remaining stock or approved replacement alternatives. Do not assume standard production status. Confirm end-of-life documentation and substitute part numbers before design finalization.

Selection Notes

Select this part only if legacy compatibility with 1.5 kOhm impedance and 455 kHz center frequency is required. Verify that the through-hole cube package fits the existing PCB layout. Consider modern ceramic filter equivalents if new designs are permitted, ensuring electrical parameters match the original circuit requirements.

Part Context

The CFWLA455KD1Y-B0 is part of Murata's CERAFIL line of ceramic filters. These components are widely recognized for their reliability in consumer electronics and communication devices. The specific model denotes a 455 kHz filter with 1.5 kOhm impedance in a five-lead configuration, commonly used in analog audio and radio frequency applications.

Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the available source data. Users should consult Murata Electronics directly or authorized distributors for verified cross-reference information and approved alternative components.