ECST1V1308-1040-R

Overview

The ECST1V1308-1040-R is a surface-mount current sense transformer from Eaton Electronics. It features a 40:1 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 primary resistance of 3.9 mOhms, a secondary resistance of 500 mOhms, and a maximum inductance of 880 µH. It is designed for board mounting with SMD/SMT termination.

Feature Summary

• Surface-mount construction for automated assembly
• High-frequency operation up to 1 MHz
• Automotive qualification per AEC-Q200 standard

Applications

• Current sensing in power supply circuits
• Motor control systems
• Automotive electronics applications

Procurement Notes

Verify the specific suffix against official Eaton documentation to confirm electrical parameters. Ensure the ordering part number matches the required turns ratio and inductance specifications. Confirm RoHS compliance status and packaging format requirements prior to purchase.

Selection Notes

Select this component based on the required 40:1 turns ratio and 15 A current handling capability. Consider the 500 mOhm secondary resistance for burden resistor calculations. Verify that the 880 µH maximum inductance meets the circuit's frequency response needs.

Part Context

This model belongs to the ECST series of current sense transformers manufactured by Eaton Electronics Division. These components are designed for precise current monitoring in compact electronic designs. The series offers various turns ratios to suit different sensing requirements.

Replacement Considerations

Consult Eaton's official cross-reference guides for verified substitutes. Ensure replacement parts match the 40:1 ratio, 15 A rating, and SMD package dimensions.