FIS125NL

Current Sense Transformers Overview

The FIS125NL is a board-mount current sense transformer manufactured by Pulse Electronics, designed for through-hole installation. It features an inductance of 76 mH and a secondary coil resistance of 4.5 ohms. The component supports a rated current of 25 A with a turns ratio of 1:200. Its physical dimensions are 15 mm in length, 12.5 mm in width, and 12 mm in height. The device operates within a frequency range up to 500 kHz.

Current Sense Transformers Feature Summary

• Provides accurate current sensing capabilities for high voltage applications
• Designed for precise current measurement and monitoring tasks
• Supports through-hole mounting for secure PCB integration

Current Sense Transformers Applications

• High voltage circuit monitoring
• Precision current measurement systems
• Current sensing applications requiring isolation

Current Sense Transformers Procurement Notes

Verify the specific datasheet version when sourcing, as manufacturer documentation may undergo revisions. Confirm that the through-hole package dimensions align with your PCB footprint requirements. Ensure the operating frequency range meets your application needs. Cross-reference the manufacturer part number with authorized distributors to guarantee authenticity. Check for any recent product change notices regarding electrical characteristics or packaging.

Current Sense Transformers Selection Notes

Select this component when a high inductance value is required for effective current sensing. The 1:200 turns ratio suits applications needing significant signal transformation. Verify that the 25 A rated current exceeds your maximum operational load. Consider the 4.5 ohm secondary resistance for downstream circuit impedance matching. Ensure the through-hole form factor fits your assembly process constraints.

Current Sense Transformers Part Context

This component belongs to the FIS series of current transformers from Pulse Electronics. It is categorized under board-mount current sense devices. The product line focuses on providing reliable isolation and measurement for power electronics. It serves as a specialized solution for detecting current flow in complex electrical systems.

Current Sense Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official distributor databases for potential equivalents if direct replacement is necessary.

Current Sense Transformers FAQ

What is the primary function of the FIS125NL?

It functions as a current sense transformer designed for accurate current measurement and monitoring in high voltage applications.

What is the turns ratio of this transformer?

The FIS125NL has a turns ratio of 1:200.