PE-51717NL

Current Sense Transformers Overview

The PE-51717NL is a board-mount current sense transformer manufactured by Pulse Electronics, designed for through-hole installation. It features a non-invasive solid core type with an inductance of 5 mH and a maximum DC current rating of 20 A. The component operates within a frequency range of 20 kHz to 200 kHz and has a DC resistance of 700 mOhms. Physical dimensions include a length of 17.01 mm, width of 9.906 mm, and height of 20.32 mm.

Current Sense Transformers Feature Summary

• Non-invasive solid core design for accurate current sensing
• Through-hole mounting configuration for PCB integration
• Wide operating frequency range supporting high-speed switching applications

Current Sense Transformers Applications

• Switch-mode power supply output current monitoring
• Over-current protection circuits in electronic devices
• Feedback loop sensing in isolated power converters

Current Sense Transformers Procurement Notes

Verify the specific datasheet version for precise electrical tolerances and thermal characteristics before finalizing the design. Confirm that the through-hole footprint matches the target PCB layout requirements. Ensure the 20 A current rating aligns with the peak load conditions of the application to prevent saturation or damage during operation.

Current Sense Transformers Selection Notes

Select this component when a non-invasive current sensing solution is required for frequencies between 20 kHz and 200 kHz. The 5 mH inductance value should be evaluated against the driver circuit impedance to ensure proper signal coupling. Consider the physical height of 20.32 mm for clearance constraints within the assembly enclosure.

Current Sense Transformers Part Context

This part belongs to the Pulse Electronics board-mount current sensor family, specifically optimized for through-hole applications. It serves as a critical interface for isolating high-current paths from low-voltage control logic, enabling safe and accurate measurement in power electronics systems without breaking the primary circuit.

Current Sense Transformers Replacement Considerations

Consult official distributor catalogs for direct substitutes with matching inductance and current ratings. Verify pin compatibility and mechanical dimensions before swapping to ensure seamless integration without redesigning the PCB footprint.