CST206-1A-B

Overview

The Triad Magnetics CST206-1A-B is a board-mount current sense transformer designed for through-hole installation. It features a non-invasive solid core construction with a 110 A current rating and a turns ratio of 100:1. The component operates within a frequency range of 20 kHz to 200 kHz, exhibiting a maximum DC resistance of 580 mOhm and an inductance of 14 mH. Its physical dimensions are 27.31 mm in length, 10.16 mm in width, and 31.12 mm in height, utilizing PC pin radial termination.

Feature Summary

• Non-invasive solid core design enables direct conductor insertion without circuit interruption
• High current handling capability supports demanding power sensing applications
• Through-hole mounting ensures secure mechanical attachment on printed circuit boards

Applications

• Switch-mode power supply primary side current monitoring
• Inverter and motor drive overcurrent protection circuits
• Industrial power converter feedback loops

Procurement Notes

Verify the specific suffix designation against manufacturer documentation to confirm exact electrical tolerances and packaging variations. Ensure the selected variant matches the required current rating and frequency response for the target application. Cross-reference datasheet specifications with system constraints before finalizing procurement orders.

Selection Notes

Select this component when high-current isolation and robust mechanical mounting are required. The solid core architecture simplifies assembly compared to split-core alternatives. Evaluate the 110 A rating against peak load conditions to ensure adequate margin. Confirm that the operating frequency falls within the specified 20 kHz to 200 kHz range for optimal performance.

Part Context

This part belongs to the CST series of current sense transformers from Triad Magnetics. These components are engineered for reliable operation in high-power electronic systems. The series offers various current ratings and turns ratios to accommodate different sensing requirements across industrial and commercial power electronics designs.

Replacement Considerations

Direct substitutes include the CST206-1A and CST206-3A models from the same manufacturer family. Verify compatibility regarding current rating, inductance, and physical footprint before substitution.