PCS020-EE05320S

Current Sense Transformers Overview

The PCS020-EE05320S is a board-mount current sense transformer manufactured by Bourns Inc. It features an EE5 core geometry and supports surface mount technology (SMD/SMT) installation. The component has a primary-to-secondary turns ratio of 1:40 and a rated current of 20 A. Key electrical parameters include an inductance of 320 uH, a secondary coil resistance of 1.14 ohms, and a maximum operating temperature of +125 C. The device operates within a frequency range up to 1 MHz and measures 19.91 mm in length, 16.51 mm in width, and 10.5 mm in height.

Current Sense Transformers Feature Summary

• Utilizes EE5 core geometry for efficient magnetic coupling in compact designs.
• Supports surface mount technology for automated PCB assembly processes.
• Provides galvanic isolation between primary power circuits and secondary sensing electronics.

Current Sense Transformers Applications

• Current monitoring in switching power supplies
• Overcurrent protection circuits
• Power factor correction systems

Current Sense Transformers Procurement Notes

Verify the specific ordering suffix against the official Bourns datasheet to ensure correct packaging and tolerance specifications. Confirm that the selected variant matches the required RoHS compliance status and lead-free requirements for your manufacturing process. Cross-reference the manufacturer part number with authorized distributor catalogs to avoid counterfeit components.

Current Sense Transformers Selection Notes

Select this component when a 1:40 turns ratio and 20 A current rating align with the system's signal conditioning requirements. Ensure the PCB layout accommodates the specified physical dimensions of 19.91 mm by 16.51 mm. Verify that the operating environment remains within the -55 C to +125 C temperature range to maintain performance integrity.

Current Sense Transformers Part Context

This part belongs to the Bourns PCS series of current sense transformers, designed for high-frequency applications. The series offers various core sizes and inductance values to suit different power levels. The EE5 designation indicates the specific ferrite core shape used to optimize magnetic flux path efficiency for board-mounted implementations.

Current Sense Transformers Replacement Considerations

Consult the official Bourns replacement guide for direct equivalents. Verify that any substitute maintains the 1:40 turns ratio, 20 A rating, and compatible footprint dimensions to ensure mechanical and electrical compatibility without redesigning the PCB.

Current Sense Transformers FAQ

What is the primary winding resistance?

The primary winding resistance is approximately 7 mOhms.

Is this component suitable for automotive applications?

The provided documentation does not specify AEC-Q200 certification for this particular model; verify automotive grade requirements separately.