ECSTA1V1308-1080-R

Overview

The ECSTA1V1308-1080-R is a surface-mount current sense transformer manufactured by Eaton Electronics Division. It features an 80:1 turns ratio and supports a maximum primary current of 15 A. The device operates within a frequency range of 50 kHz to 1 MHz. Electrical characteristics include a maximum primary DC resistance of 3.9 mOhm, a secondary DC resistance of 1.3 Ohm, and a maximum magnetizing inductance of 3.5 mH. It is qualified under the AEC-Q200 standard for automotive applications.

Feature Summary

• Provides galvanic isolation between primary and secondary circuits for accurate current monitoring.
• Designed for surface mount technology (SMT) with gull-wing termination style.
• Qualified for automotive reliability standards via AEC-Q200 certification.
• Operates effectively across a wide temperature range from -40°C to +125°C.

Applications

• Automotive power electronics current sensing
• Switch-mode power supply (SMPS) feedback loops
• Motor drive control systems

Procurement Notes

Verify the complete part number including suffixes such as -R for reel packaging when ordering. Confirm that the specific variant matches the required turns ratio and electrical parameters for your design. Ensure compatibility with the specified surface mount footprint during PCB layout. Check for any recent revisions to the datasheet regarding mechanical dimensions or material compliance before final procurement.

Selection Notes

Select this component based on the required 80:1 turns ratio and 15 A primary current rating. Ensure the operating frequency falls within the 50 kHz to 1 MHz range. Verify that the board space accommodates the SMT package and that the thermal environment stays within the -40°C to +125°C operational limits. Consider the secondary load impedance relative to the 1.3 Ohm internal resistance.

Part Context

This component belongs to the ECSTA1V1308 series of current sense transformers from Eaton Electronics. The series offers various turns ratios, such as 100:1 or 115:1, while maintaining similar physical footprints and core technologies. These devices are engineered for high-frequency current monitoring in compact electronic designs requiring reliable isolation.

Replacement Considerations

Direct substitutes within the same series include ECSTA1V1308-1100-R (100:1 ratio) and ECSTA1V1308-1150-R (115:1 ratio). Note that these alternatives have different turns ratios and may require circuit adjustments. No other exact equivalent with identical specifications is publicly confirmed in the provided documentation.

FAQ

What is the maximum voltage isolation rating?

The datasheet specifies a maximum operating voltage of 500 Vac.

Does this component meet automotive quality standards?

Yes, it is qualified according to the AEC-Q200 standard.