PCS020-EE05081S

Current Sense Transformers Overview

The PCS020-EE05081S is a surface mount current sense transformer from the Bourns PCS series, designed for high-frequency applications up to 1 MHz. It features a 1:20 turns ratio and an inductance of 81 mH. The device supports a maximum primary current of 20 A with a saturation voltage-time product of 10.8 Vµs. Electrical characteristics include a maximum primary resistance of 7 mOhm and a secondary resistance of 400 mOhm. It provides 500 Vrms isolation between windings and operates within a temperature range of -40°C to 125°C.

Current Sense Transformers Feature Summary

• High-frequency operation capability up to 1 MHz for precise current sensing
• Robust 500 Vrms isolation barrier between primary and secondary windings
• Surface mount package design optimized for automated PCB assembly

Current Sense Transformers Applications

• Switch-mode power supply (SMPS) output current monitoring
• DC-DC converter overcurrent protection circuits
• Industrial motor drive current feedback systems

Current Sense Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct electrical parameters and packaging configuration. Confirm that the component meets the required thermal and isolation standards for the target application environment before finalizing procurement orders.

Current Sense Transformers Selection Notes

Select this component when high-frequency current sensing is required with significant galvanic isolation. Ensure the primary current rating of 20 A aligns with the system's peak load requirements. Verify that the 1:20 turns ratio matches the downstream signal conditioning circuitry input expectations.

Current Sense Transformers Part Context

This part belongs to the Bourns PCS series of current sense transformers. The series is characterized by its suitability for high-frequency switching applications and its compact surface mount form factor. The model designation indicates specific magnetic core geometry and winding configurations tailored for precision sensing.

Current Sense Transformers Replacement Considerations

Consult the official Bourns replacement guide for direct equivalents. Verify that any substitute maintains the 1:20 ratio, 81 mH inductance, and 500 Vrms isolation rating to ensure circuit compatibility.