ECSTA1V0504-1050-R

Overview

The ECSTA1V0504-1050-R is an automotive-grade surface-mount current sense transformer manufactured by Eaton Electronics. It features a turns ratio of 50:1 and supports primary currents up to 7 A. The device operates within a frequency range of 50 kHz to 1 MHz, with a maximum primary inductance of 205 uH. Electrical characteristics include a primary DC resistance of 3 mOhm and a secondary DC resistance of 2.5 Ohms. The component is designed for SMD/SMT installation, measuring 4.8 mm in length, 3.65 mm in width, and 3.65 mm in height.

Feature Summary

• Automotive-grade construction compliant with AEC-Q200 standards
• Surface-mount design optimized for automated PCB assembly
• High-frequency operation capability from 50 kHz to 1 MHz
• Defined 50:1 turns ratio for precise current sensing applications

Applications

• Automotive power management systems
• On-board charger (OBC) current monitoring
• DC-DC converter feedback loops
• Electric vehicle battery management circuits

Procurement Notes

Verify the specific suffix 'R' indicates reel packaging when sourcing. Confirm AEC-Q200 qualification status is required for automotive integration. Check lead times as production cycles may vary. Ensure soldering procedures adhere to thermal limits, avoiding direct iron contact during manual handling.

Selection Notes

Select this component for applications requiring high-frequency current sensing in automotive environments. The 50:1 ratio suits low-voltage secondary interfaces. Verify that the 7 A primary rating aligns with peak load requirements. Consider the compact SMD footprint for space-constrained board layouts.

Part Context

This part belongs to the ECSTA series of current sense transformers. It is specifically engineered for automotive electronics, distinguishing it from general industrial variants through rigorous qualification standards. The series offers various current ratings and inductance values to match different power stage designs.

Replacement Considerations

Direct substitutes are not explicitly listed in public documentation. Evaluate other ECSTA series parts with matching 50:1 ratios and compatible current ratings. Verify pinout compatibility and physical dimensions before replacing.