ECSTA1V0703-1050-R

Overview

The ECSTA1V0703-1050-R is a surface-mount current sense transformer from Eaton Electronics, designed for automotive-grade applications. It features a primary current rating of 9 A and a turns ratio of 50:1. The component exhibits an inductance of 333 µH and a secondary winding resistance of 2.76 Ohms. It operates within a frequency range of 50 kHz to 1 MHz and supports a maximum operating temperature of +125°C. The unit is qualified under the AEC-Q200 standard and measures 7.2 mm in length, 5.2 mm in width, and 3 mm in height.

Feature Summary

• Automotive-grade reliability certified to AEC-Q200 standards
• Surface-mount design optimized for board space efficiency
• High-frequency operation capability up to 1 MHz

Applications

• Automotive power management systems
• On-board charger current sensing
• DC-DC converter feedback loops

Procurement Notes

Verify the specific suffix configuration against official Eaton documentation to ensure correct electrical parameters. Confirm that the required quantity aligns with the manufacturer's standard packaging multiples. Ensure the procurement channel provides valid traceability for automotive-grade components. Check for any recent updates to the datasheet regarding mechanical dimensions or material compliance before finalizing orders.

Selection Notes

Select this component when a 9 A primary current rating and 50:1 turns ratio are required for high-frequency current sensing. The compact SMT package suits applications with strict spatial constraints. Verify that the system operates within the specified 50 kHz to 1 MHz bandwidth. Ensure the thermal environment remains within the -40°C to +125°C operational range for reliable performance.

Part Context

This part belongs to the ECSTA series of automotive-grade current sense transformers. The series offers various current ratings and package sizes to accommodate different power levels. These components are engineered for robust performance in demanding automotive environments, providing accurate current feedback for control circuits.

Replacement Considerations

Consult Eaton Electronics for officially confirmed substitute part numbers. Do not assume cross-compatibility with other manufacturers' parts without verifying electrical and mechanical specifications.