CTX100-4

Arrays, Signal Transformers Overview

The Eaton CTX100-4 is a discontinued surface-mount coupled inductor array from the OCTA-PAC series. It features two coils with an amorphous metal core and no shielding. Key electrical parameters include 99.23 µH inductance in parallel connection and 396.9 µH in series connection, with a ±20% tolerance. The component supports a maximum DC current of 920 mA in parallel and 460 mA in series. DC resistance is rated at a maximum of 302 mΩ for parallel and 1.21 Ω for series configurations. It operates within a temperature range of -40°C to 85°C and measures 13.97 mm x 13.97 mm x 6.35 mm.

Arrays, Signal Transformers Feature Summary

• Dual-coil configuration allowing flexible series or parallel circuit integration
• Amorphous metal core construction for efficient magnetic coupling
• Surface-mount design optimized for automated PCB assembly

Arrays, Signal Transformers Applications

• DC-DC converter input/output filtering
• Power supply noise suppression circuits
• Signal isolation stages in electronic systems

Arrays, Signal Transformers Procurement Notes

Verify component obsolescence status before procurement planning. Confirm availability of direct substitutes such as the CTX100-4-R variant. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Validate that alternative components meet identical electrical specifications and thermal requirements for seamless integration.

Arrays, Signal Transformers Selection Notes

Select this component for applications requiring precise coupled inductance values in a compact form factor. Consider the specific series or parallel inductance needs based on circuit topology. Evaluate thermal management capabilities within the specified operating temperature range. Assess physical dimensions against available board space constraints.

Arrays, Signal Transformers Part Context

Part of the OCTA-PAC family of toroidal power inductors designed for high-density electronics. This series emphasizes miniaturization while maintaining robust performance characteristics. The CTX100-4 specifically targets dual-channel power processing requirements.

Arrays, Signal Transformers Replacement Considerations

CTX100-4-R is listed as a direct substitute by the manufacturer.