ECST1V1308-1200-R

Overview

The ECST1V1308-1200-R is a surface-mount current sense transformer from Eaton Electronics, designed for high-frequency applications. It features a primary rated current of 15A and a turns ratio of 200:1. The component operates within a frequency range of 50 kHz to 1 MHz. Key electrical specifications include a maximum primary DC resistance of 3.9 mΩ and a secondary DC resistance of 8 Ω. The device has a maximum inductance of 22 mH and is qualified under the AEC-Q200 standard for automotive reliability. It supports an operating temperature range from -40°C to +125°C.

Feature Summary

• Surface-mount construction optimized for automated PCB assembly processes
• Automotive-grade qualification ensuring reliability in harsh environments
• High-frequency operation capability suitable for modern switching power supplies

Applications

• Current sensing in automotive power electronics systems
• Isolated feedback loops in switch-mode power supplies
• Over-current protection circuits in industrial converters

Procurement Notes

Verify that the specific part number matches the required 200:1 turns ratio and 15A primary rating for your design. Confirm that the surface-mount package dimensions align with your PCB footprint constraints. Ensure that the thermal management strategy accounts for the specified maximum operating temperature of 125°C during peak load conditions.

Selection Notes

Select this component when a high isolation voltage and precise current replication are required in a compact form factor. The 200:1 ratio provides significant signal amplification for low-side or high-side sensing applications. Consider the 22 mH inductance value to ensure adequate performance at the lower end of the 50 kHz operating frequency range without saturation issues.

Part Context

This component belongs to the ECST series of current sense transformers manufactured by Eaton Electronics. The series is characterized by its robust construction and suitability for demanding electronic environments. The specific model utilizes a standardized SMT package to facilitate integration into various board-level designs requiring galvanic isolation between primary and secondary circuits.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing footprints and electrical parameters before considering alternative manufacturers.