7492541000

Current Sense Transformers Overview

The Würth Elektronik 7492541000 is a surface mount current sense transformer from the WE-CST series. It features a 1:1000 turns ratio and supports a maximum primary current of 40 A. The component has a primary DC resistance of 0.28 mOhms and a secondary DC resistance of 87.64 Ohms. It exhibits an inductance of 540 mH and operates at a frequency of 1 MHz.

Current Sense Transformers Feature Summary

• Provides galvanic isolation between high voltage circuits and low voltage sensing electronics
• Enables precise current monitoring through accurate signal transformation
• Designed for compact surface mount integration on printed circuit boards

Current Sense Transformers Applications

• Current monitoring in power supply units
• Overcurrent protection circuits
• Feedback loops in switching regulators

Current Sense Transformers Procurement Notes

Verify that the selected component matches the required electrical specifications, including the 1:1000 turns ratio and 40 A current rating. Confirm that the surface mount package dimensions are compatible with the intended PCB layout. Ensure that the operating frequency range aligns with the application requirements to maintain signal integrity and measurement accuracy during procurement.

Current Sense Transformers Selection Notes

Select this component when high precision current sensing is required in isolated environments. The 1:1000 ratio allows for detailed monitoring of high currents using standard low-voltage analog-to-digital converters. Consider the physical footprint and mounting orientation to ensure proper integration within the system architecture without compromising thermal or electrical performance.

Current Sense Transformers Part Context

This part belongs to the WE-CST series of current sense transformers manufactured by Würth Elektronik. These components are engineered for general electronic equipment applications requiring reliable isolation and accurate current feedback. The series provides various ratios and current ratings to suit different power management designs.

Current Sense Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing design constraints before considering alternative components.

Current Sense Transformers FAQ

What is the primary DC resistance of the 7492541000?

The primary DC resistance is 0.28 mOhms.

Does this component provide electrical isolation?

Yes, it is a current sense transformer designed to provide galvanic isolation between the primary and secondary sides.