ECST1V0504-1050-R

Overview

The ECST1V0504-1050-R is a surface-mount current sense transformer from Eaton Electronics, designed for board-level integration. It features a 7 A current rating and a 50:1 turns ratio. The component exhibits a maximum primary inductance of 205 uH, with a primary resistance of 3 mOhm and a secondary resistance of 2.5 Ohms. It operates within a frequency range of 50 kHz to 1 MHz. The physical dimensions are 4.8 mm in length, 3.65 mm in width, and 3.65 mm in height.

Feature Summary

• Surface-mount construction optimized for automated PCB assembly processes
• High-frequency operation capability suitable for switching power applications
• Compact footprint design facilitating dense circuit board layouts

Applications

• Current sensing in DC-DC converter circuits
• Overcurrent protection mechanisms in power supplies
• Feedback control loops in switch-mode power electronics

Procurement Notes

Verify the specific suffix configuration against the manufacturer's official datasheet to ensure alignment with required electrical parameters. Confirm that the surface-mount package dimensions match the target PCB land pattern. Check RoHS compliance status as documented in the latest product specification sheet before finalizing procurement orders.

Selection Notes

Select this component when a 7 A current rating and 50:1 transformation ratio are required for high-frequency signal isolation. Ensure the operating environment stays within the specified temperature range. Compare primary and secondary resistance values against circuit impedance requirements to minimize insertion loss and maintain signal integrity during current monitoring operations.

Part Context

This part belongs to the ECST series of current sense transformers manufactured by Eaton Electronics Division. These components are engineered for precise current measurement in compact electronic systems. The series provides reliable galvanic isolation between primary and secondary circuits while maintaining accurate signal transfer across the designated frequency spectrum.

Replacement Considerations

Consult Eaton Electronics official documentation for verified substitute part numbers within the same series. Cross-reference key parameters including current rating, turns ratio, and inductance values to ensure functional compatibility without modifying existing circuit designs.