CFULA455KB2A-B0

Overview

The CFULA455KB2A-B0 is a ceramic bandpass filter manufactured by Murata Electronics, 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 cube package with three pins and utilizes through-hole mounting technology. It is classified under the CERAFL series and is constructed from ceramic materials to provide stable filtering performance in electronic circuits.

Feature Summary

• Provides bandpass filtering functionality using ceramic construction
• Designed for through-hole board mount installation
• Optimized for 455 kHz center frequency operation

Applications

• Intermediate frequency stages in AM radio receivers
• Signal conditioning in communication equipment
• Audio processing circuits requiring specific frequency selection

Procurement Notes

Verify current availability status as this component may be discontinued or subject to supply constraints. Confirm that the 1.5 kOhm impedance and 455 kHz frequency specifications match the design requirements. Ensure compatibility with existing through-hole assembly processes and verify compliance with relevant environmental regulations before procurement.

Selection Notes

Select this component when a 455 kHz ceramic filter with 1.5 kOhm impedance is required for through-hole applications. Consider the physical dimensions of the cube package for PCB layout constraints. Evaluate if the bandwidth characteristics meet the system's selectivity needs compared to alternative filter technologies.

Part Context

This part belongs to Murata's CERAFL series of ceramic filters, which are widely used in consumer electronics for intermediate frequency applications. The series offers various impedance and frequency options to suit different circuit designs. These components are known for their stability and compact form factor in legacy and specialized audio/RF systems.

Replacement Considerations

Public sources indicate this product is no longer manufactured. Verify exact pinout and dimensional compatibility before substituting with other 455 kHz ceramic filters. Check datasheets for matching impedance and bandwidth specifications to ensure circuit performance remains unaffected.