PE-64487NL

Current Sense Transformers Overview

The PE-64487NL is a through-hole current sense transformer manufactured by Pulse Electronics. It features a primary DC resistance of 100 Ohms and a secondary DC resistance of 1.4 Ohms, with an inductance of 20 mH. The device operates within a frequency range of 20 kHz to 200 kHz and supports a rated current of 20 A. Its physical dimensions are 22.86 mm in length, 17.78 mm in width, and 17.78 mm in height. The component utilizes a pin-through-hole termination style for board mounting.

Current Sense Transformers Feature Summary

• Provides electrical isolation between primary and secondary circuits for accurate current monitoring
• Designed for high-frequency operation suitable for switching power supply applications
• Constructed with a robust core structure to maintain performance under thermal stress

Current Sense Transformers Applications

• Current sensing in switch-mode power supplies
• Overcurrent protection circuits in industrial equipment
• Feedback control loops in AC/DC converters

Current Sense Transformers Procurement Notes

Verify the specific datasheet version prior to ordering, as manufacturer specifications may undergo revisions. Confirm that the through-hole package dimensions align with the target PCB footprint. Ensure the operating temperature range meets the environmental requirements of the final assembly. Cross-reference the insulation voltage ratings against system safety standards.

Current Sense Transformers Selection Notes

Select this component when a 1:100 turns ratio is required for precise current measurement. The 20 A rating suits moderate-power applications where thermal management is feasible. Consider the 20 mH inductance value for ripple current filtering needs. Evaluate the 100 Ohm primary impedance for compatibility with existing drive circuitry.

Current Sense Transformers Part Context

This part belongs to Pulse Electronics' line of board-mount current transformers. These components are engineered for reliable signal transformation in power electronics. The series offers various inductance and resistance configurations to match diverse circuit topologies.

Current Sense Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.