CST306-1T

Overview

The Triad Magnetics CST306-1T is a through-hole current sense transformer designed for high-frequency applications. It features a non-invasive solid core construction with a primary turns ratio of 50CT:1 and an inductance of 3.5 mH. The device supports a maximum primary current rating of 35 A and operates within a frequency range of 20 kHz to 200 kHz. Key electrical specifications include a maximum primary DC resistance of 0.34 Ohms, a secondary resistance of 3.75 Ohms, and an ET value of 500 Vµs. The component utilizes a three-terminal PC pin mounting style.

Feature Summary

• Non-invasive solid core design for accurate current monitoring
• Optimized for high-frequency operations between 20 kHz and 200 kHz
• Through-hole mounting configuration for secure board integration

Applications

• Switch-mode power supplies
• LED lighting systems
• High-frequency current sensing circuits

Procurement Notes

Verify the specific suffix designation against official Triad Magnetics documentation to ensure correct electrical characteristics. Confirm that the required current rating and frequency range align with the application's operational parameters. Check for any specific packaging or handling requirements associated with the through-hole package type before finalizing procurement orders.

Selection Notes

Select this component when a non-invasive solution is required for currents up to 35 A in high-frequency environments. Ensure the system operates within the 20 kHz to 200 kHz range to maintain performance integrity. Consider the physical dimensions and through-hole footprint compatibility during the PCB layout phase to guarantee proper installation and thermal management.

Part Context

This part belongs to the CST206/CST306 series of high-frequency current sense transformers from Triad Magnetics. This series is engineered specifically for demanding applications requiring precise current monitoring at elevated frequencies. The CST306-1T variant provides standardized electrical properties suitable for general-purpose high-frequency switching applications.

Replacement Considerations

Consult official manufacturer substitution lists for verified equivalents. Generic cross-references may not match the specific 50CT:1 ratio or 3.5 mH inductance requirements. Verify mechanical footprint compatibility if considering alternative brands.