CTCB0805F-300U

Chip Ferrite Bead Overview

The CTCB0805F-300U is a power line ferrite bead manufactured by Central Technologies, designed for filtering electrical noise in high-speed digital circuits. It operates effectively at frequencies around 100 MHz with an impedance of 30 Ohms. The component supports a current rating of 5A and features a DC resistance of 550mOhm. It is housed in a compact 0805 (2012 Metric) surface-mount package, suitable for applications requiring robust EMI suppression in space-constrained environments.

Chip Ferrite Bead Feature Summary

• Designed for effective filtering of electrical noise in high-speed digital circuits
• Capable of handling high current loads up to 5A for power line applications
• Constructed as an ultra multilayer ferrite chip bead for reliable performance

Chip Ferrite Bead Applications

• Filtering electrical noise in high-speed digital circuits
• EMI suppression in power lines operating at 100 MHz
• Noise reduction in compact electronic devices requiring 0805 footprint components

Chip Ferrite Bead Procurement Notes

Verify the specific impedance value of 30 Ohms at 100 MHz against your circuit requirements before procurement. Confirm that the 5A current rating and 550mOhm DC resistance align with your power supply design. Ensure the 0805 package size fits your PCB layout constraints. Cross-reference the manufacturer series CTCBF-UHC to confirm compatibility with existing supply chains and verify the operating temperature range of -40°C to +125°C for your environmental conditions.

Chip Ferrite Bead Selection Notes

Select this component when high current handling capability is required alongside effective high-frequency noise suppression. The 30 Ohm impedance at 100 MHz makes it suitable for specific EMI filtering needs rather than broadband attenuation. Consider the 0805 package size if board space is limited but higher current capacity than standard signal-line beads is necessary. Evaluate the thermal performance within the -40°C to +125°C range to ensure reliability under operational stress.

Chip Ferrite Bead Part Context

This part belongs to the CTCBF-UHC series from Central Technologies, which focuses on ultra multilayer ferrite chip beads. These components are engineered for power line applications where significant current flow must be managed while suppressing electromagnetic interference. The series offers various impedance values tailored for different frequency ranges, with the 300U variant specifically targeting 30 Ohm performance at 100 MHz.

Chip Ferrite Bead Replacement Considerations

Direct substitutes may include other 0805 ferrite beads with similar 30 Ohm impedance at 100 MHz and 5A current ratings. Verify that any replacement maintains the same physical footprint and thermal characteristics. Check if alternative manufacturers offer comparable DC resistance and impedance profiles to ensure circuit performance remains unaffected during substitution.