CTX33-18428-R

Arrays, Signal Transformers Overview

The CTX33-18428-R is a surface-mount inductor array manufactured by Eaton Electronics. It features two coils housed in a 4-SMD package. The component has an inductance of 400 uH at 2A peak current and includes an auxiliary winding configuration. Its maximum DC resistance is 280 mOhms. This part is classified as a power inductor designed for buck converter applications with auxiliary winding capabilities.

Arrays, Signal Transformers Feature Summary

• Surface-mount inductor array with two integrated coils
• Designed for buck converter circuits with auxiliary winding support
• Unshielded construction for standard SMD mounting

Arrays, Signal Transformers Applications

• Buck converter power stages
• Power supply filtering
• DC-DC conversion circuits

Arrays, Signal Transformers Procurement Notes

Verify the obsolete status of this component before procurement planning. The product lifecycle is listed as End of Life, meaning new production has ceased. Availability is limited to existing stock from distributors or secondary markets. Ensure that any sourced units are genuine and match the original specifications, as replacement availability may vary significantly across suppliers.

Arrays, Signal Transformers Selection Notes

Select this component only if the specific 400 uH inductance and 2A peak current rating align with the circuit requirements. The presence of an auxiliary winding is a critical design constraint; verify compatibility with the control scheme. Due to its discontinued status, consider alternative components with similar electrical characteristics and pinout configurations for long-term sustainability.

Arrays, Signal Transformers Part Context

This part belongs to the Eaton Electronics passive components portfolio, specifically within the power inductor category. It is distinct from general signal transformers due to its high-current handling and power application focus. The 4-SMD package indicates a compact form factor suitable for modern PCB layouts requiring space-efficient magnetic components.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes are not explicitly confirmed in public documentation. Evaluate other Eaton OCTA-PAC series parts or comparable unshielded dual-coil arrays with matching inductance and DCR values. Verify pin compatibility and thermal performance when selecting alternatives.