CTCB1812F-121P

Chip Ferrite Bead Overview

The CTCB1812F-121P is a surface-mount power line ferrite bead manufactured by Central Technologies. It features an 1812 (4532 Metric) package and provides an impedance of 120 Ohms at 100 MHz. The component supports a current rating of 4A with a maximum DC resistance of 30mOhm. It operates within a temperature range of -40°C to +125°C and has a tolerance of ±25%.

Chip Ferrite Bead Feature Summary

• Designed for power line noise suppression in medium to high current applications
• Utilizes multi-layer chip bead technology for effective electromagnetic interference filtering

Chip Ferrite Bead Applications

• Power line noise suppression
• Medium to high current circuit protection
• Electromagnetic interference filtering

Chip Ferrite Bead Procurement Notes

Verify the specific impedance value of 120 Ohms at 100 MHz against your design requirements. Confirm the 4A current rating and 30mOhm DC resistance are suitable for your power line application. Ensure the 1812 package size fits your PCB layout constraints. Check that the operating temperature range of -40°C to +125°C meets environmental conditions.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits requiring significant current handling capability alongside noise suppression. The 1812 package offers a balance between physical size and thermal performance. Consider the 120 Ohm impedance profile for target frequency attenuation. Verify compatibility with surface mount assembly processes given the SMD mounting type.

Chip Ferrite Bead Part Context

This part belongs to the CTCB1812F series from Central Technologies, which includes various ferrite beads optimized for power line applications. The series utilizes multi-layer construction to achieve high current ratings while maintaining low DC resistance. Other variants in the series offer different impedance values and package sizes to suit diverse electronic design needs.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer cross-reference guides for potential alternatives if sourcing issues arise.