PCS020-EE05500S

Current Sense Transformers Overview

The Bourns PCS020-EE05500S is a board-mount current sense transformer designed for surface mount technology. It features an EE5 core geometry and supports a primary current rating of 20 A with a turns ratio of 1:50. The component exhibits an inductance of 500 uH and operates within a frequency range up to 1 MHz. Electrical characteristics include a primary DC resistance of 7 mOhms and a secondary DC resistance of 1.5 Ohms. The device is rated for a maximum operating temperature of +125°C and a minimum of -40°C, ensuring reliability in demanding power conversion environments.

Current Sense Transformers Feature Summary

• Surface mount construction utilizing EE5 core geometry for compact integration
• High primary current handling capability of 20 A for robust sensing
• Optimized magnetic performance with 500 uH inductance and 1 MHz bandwidth

Current Sense Transformers Applications

• Power factor correction circuits
• DC-DC converter current monitoring
• Industrial motor drive protection

Current Sense Transformers Procurement Notes

Verify the specific suffix against the manufacturer's official datasheet to confirm electrical tolerances and packaging configuration. Ensure the selected variant matches the required inductance and current ratings for the target application. Cross-reference the RoHS compliance status and lead times with authorized distributors prior to finalizing procurement orders.

Current Sense Transformers Selection Notes

Select this component based on the required 20 A primary current capacity and the need for high-frequency operation up to 1 MHz. Evaluate the physical dimensions and surface mount footprint compatibility with the PCB layout. Consider the thermal performance at +125°C maximum operating temperature when designing the heat dissipation strategy for the power stage.

Current Sense Transformers Part Context

This part belongs to the Bourns PCS020 series of current sense transformers, which are engineered for precise current measurement in switching power supplies. The series utilizes standardized EE5 cores to provide consistent magnetic properties across variants. These components serve as critical elements for feedback loops and overcurrent protection in modern electronic power systems.

Current Sense Transformers Replacement Considerations

The PCS020-EE05320S is a documented alternative within the same product family, offering identical mechanical form factors but differing in inductance (320 uH) and turns ratio (1:40). Verify that the system design can accommodate these electrical parameter changes before substitution.