PM2165.125NL

Current Sense Transformers Overview

The PM2165.125NL is a surface mount current sense transformer manufactured by Pulse Electronics, designed for board-level integration. It features a turns ratio of 1:125 and supports primary currents up to 20 A. The device operates within a frequency range of 20 kHz to 1 MHz. Electrical characteristics include a maximum primary DC resistance of 0.75 mOhms and a secondary resistance of 7.7 Ohms. The component utilizes an EE8 core platform with a physical footprint of 13 mm x 10.5 mm x 7.2 mm.

Current Sense Transformers Feature Summary

• Provides isolated AC current sensing capabilities through magnetic coupling
• Engineered for low-loss measurement in high-frequency switching circuits
• Optimized for compact board space using the EE8 transformer platform

Current Sense Transformers Applications

• AC current monitoring in power supply circuits
• Current feedback loops in switching mode power converters
• Isolated current sensing in automotive electronics

Current Sense Transformers Procurement Notes

Verify that the specific part number suffix matches the required packaging configuration, as tape and reel options may vary. Confirm that the operating temperature range aligns with the thermal environment of the target application. Ensure that the PCB layout accommodates the specified footprint dimensions to maintain electrical integrity and mechanical stability during assembly processes.

Current Sense Transformers Selection Notes

Select this component when a compact solution for high-frequency AC current sensing is required. The 1:125 ratio provides sufficient signal amplification for downstream processing while maintaining isolation. Consider the low primary impedance for minimal insertion loss in high-current paths. Evaluate the frequency response limits to ensure compatibility with the switching frequency of the host circuit design.

Current Sense Transformers Part Context

This component belongs to the series of surface mount current sense transformers from Pulse Electronics. These devices are engineered to replace bulky traditional current transformers in modern electronic designs. The product line emphasizes miniaturization and efficiency for applications where space constraints and thermal management are critical design factors.

Current Sense Transformers Replacement Considerations

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