CTX1-4P-R

Arrays, Signal Transformers Overview

The CTX1-4P-R is a coupled inductor from the Eaton Electronics CTX_P series, designed for surface-mount technology (SMD/SMT) applications. It features an iron powder core and operates within a temperature range of -40°C to +85°C. The component provides a parallel inductance of 1.1 µH with a tolerance of ±20%, supporting a maximum DC current of 5.9 A and a DC resistance of 8 mΩ. In series configuration, it offers 4.4 µH inductance at 2.95 A. The physical dimensions are 11.43 mm in length, 11.43 mm in width, and 6.35 mm in height.

Arrays, Signal Transformers Feature Summary

• Dual-coil coupled inductor architecture suitable for synchronous rectification and multiphase power stages
• Surface-mount construction utilizing iron powder core material for stable magnetic performance
• RoHS compliant manufacturing process ensuring environmental safety standards

Arrays, Signal Transformers Applications

• Multiphase DC-DC converter output filtering
• Synchronous buck regulator inter-phase coupling
• Point-of-load (POL) power supply modules

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix 'R' indicates reel packaging when ordering. Confirm that the required quantity aligns with standard factory pack multiples. Ensure the selected variant matches the exact electrical specifications for parallel and series operation. Cross-reference the manufacturer part number with official distributor catalogs to avoid substitution errors. Validate compliance requirements against project specifications before finalizing procurement.

Arrays, Signal Transformers Selection Notes

Select this component based on the required inductance values for both parallel and series configurations. Evaluate the thermal management needs given the 5.9 A parallel current rating. Consider the physical footprint constraints due to the 11.43 mm square package size. Assess the impact of the 8 mΩ DC resistance on overall system efficiency. Verify compatibility with the target PCB layout and soldering profile for SMD assembly.

Arrays, Signal Transformers Part Context

This component belongs to the CTX_P series of coupled inductors manufactured by Eaton Electronics. These devices are engineered for high-current density applications requiring compact form factors. The series utilizes iron powder cores to minimize core losses while maintaining structural integrity under varying load conditions. The CTX1-4P-R specifically targets applications needing precise magnetic coupling between phases.

Arrays, Signal Transformers Replacement Considerations

Consult Eaton Electronics documentation for direct cross-references within the CTX_P family. Verify pinout compatibility and mechanical dimensions before substituting with other manufacturers' parts. Ensure equivalent electrical parameters, including inductance tolerance and current ratings, are met. Check for any differences in core material or saturation characteristics that might affect circuit performance.