CFULB455KD4A-B0

Overview

The Murata Electronics CFULB455KD4A-B0 is a 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 device features a 10 kHz bandwidth and utilizes a cube package with four PC pins for through-hole board mounting. It is rated for an operating temperature range from -20°C to +80°C.

Feature Summary

• Provides precise intermediate frequency selection via ceramic resonator technology
• Offers stable performance within specified industrial temperature limits
• Designed for reliable through-hole integration into circuit boards

Applications

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

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheets. Confirm the part number suffix matches the exact electrical specifications required. Ensure compatibility with existing PCB footprints and soldering processes before integration.

Selection Notes

Select this component when a 455 kHz center frequency and 1.5 kOhm impedance are required. Ensure the application environment stays within the -20°C to +80°C operational range. Verify that the through-hole package style fits the target board design constraints.

Part Context

This component belongs to the Murata CERAFIL series of ceramic filters. These devices are engineered for high stability and selectivity in analog signal processing. The series supports various impedance and bandwidth configurations for different electronic system requirements.

Replacement Considerations

Consult official Murata documentation for direct substitutes. Cross-reference parameters such as center frequency, impedance, and physical dimensions to ensure functional equivalence.