CTX0.33-1A-R

Arrays, Signal Transformers Overview

The CTX0.33-1A-R is a coupled inductor from the Eaton Electronics OCTA-PAC 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 402 nH with a maximum DC resistance of 3.7 mOhms per coil. In series configuration, the inductance reaches 1.608 uH with a maximum DC resistance of 15 mOhms. The device has a tolerance of 20% and is supplied in cut tape or reel packaging.

Arrays, Signal Transformers Feature Summary

• Dual-coil coupled inductor architecture suitable for interleaved filtering
• Iron powder core construction for stable magnetic performance
• Surface mount design optimized for automated PCB assembly

Arrays, Signal Transformers Applications

• Interleaved power factor correction circuits
• Multi-phase DC-DC converter input/output filtering
• EMI suppression in compact power supply modules

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix and revision level against the manufacturer's latest datasheet to ensure compatibility with current production standards. Confirm that the operating temperature range and current ratings meet the thermal requirements of the target application environment before finalizing procurement decisions.

Arrays, Signal Transformers Selection Notes

Select this component when interleaved operation is required to reduce ripple current and improve transient response in multi-phase designs. Ensure the PCB footprint matches the SMD package dimensions and verify that the low DC resistance aligns with efficiency targets for the specific current load.

Arrays, Signal Transformers Part Context

This part belongs to the CTX series of coupled inductors manufactured by Eaton Electronics. These components are engineered for high-density power electronics, offering magnetic coupling between two coils to enhance performance in synchronous rectification and multiphase buck converter topologies.

Arrays, Signal Transformers Replacement Considerations

Consult official substitution lists for equivalent coupled inductors with matching inductance values and physical footprints. Verify that any alternative part maintains similar coupling coefficients and saturation characteristics to preserve circuit stability.