ECSTA1V0504-1125-R

Overview

The ECSTA1V0504-1125-R is a surface-mount current sense transformer from Eaton Electronics, designed for high-frequency applications. It features a primary current rating of 7 A and a turns ratio of 1:125. The component operates within a frequency range of 50 kHz to 1 MHz. Key electrical specifications include a maximum inductance of 1.28 mH, a primary resistance of 3 Ohms, and a secondary resistance of 13 Ohms. It meets AEC-Q200 automotive qualification standards.

Feature Summary

• Automotive-grade reliability certified under AEC-Q200 standards
• Surface-mount design optimized for space-constrained PCB layouts
• High-frequency operation capability up to 1 MHz

Applications

• Automotive powertrain control units
• On-board charger current monitoring
• DC-DC converter feedback loops

Procurement Notes

Verify the specific suffix and manufacturer part number against official Eaton documentation to ensure correct variant selection. Confirm that the 1:125 ratio and 7A rating match the target circuit requirements. Check for updated revision levels or packaging options directly from authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a high isolation voltage and precise current sensing are required in automotive environments. The 1:125 ratio suits low-current secondary side detection from higher primary currents. Ensure the operating temperature range aligns with the application's thermal profile and that the SMD footprint fits the board design constraints.

Part Context

This model belongs to the ECSTA series of current sense transformers. These components are engineered for robust performance in noisy electrical environments. The series provides various ratios and current ratings to accommodate different sensor needs in modern electronic systems.

Replacement Considerations

No public substitute part numbers are confirmed.