CST25-1000

Overview

The CST25-1000 is a current sense transformer from Triad Magnetics designed for high-frequency applications. It features a 1:1000 turns ratio and supports a maximum operating current of 25 A with an output current of 25 mA. The device operates within a frequency range of 50 kHz to 500 kHz and has a primary impedance of 50 Ohms. It includes a built-in sense winding for ease of use and provides high isolation voltages, specifically a high potential of 4000 VAC. The component is rated for temperatures between -40°C and +100°C and utilizes through-hole mounting with PC pins.

Feature Summary

• Built-in sense winding facilitates easy integration and monitoring
• High isolation voltage capability ensures safety in high-voltage environments
• Optimized for high-frequency current detection applications

Applications

• Monitoring currents in high-frequency power circuits
• Current detection in conductors for reliable system feedback
• High-frequency switching power supply designs

Procurement Notes

Verify the specific datasheet version when sourcing, as manufacturer documentation may be updated. Confirm that the through-hole package and PC pin lead style match your PCB layout requirements. Ensure the operating temperature range of -40°C to +100°C aligns with your environmental conditions. Cross-reference the 4000 VAC isolation rating against your safety standards. Check for any recent changes in the CST25 series specifications before finalizing procurement.

Selection Notes

Select this component when precise current monitoring is required in high-frequency environments up to 500 kHz. The 1:1000 ratio suits applications needing accurate signal representation of primary currents. Consider the 25 A maximum current limit and 25 mA output capability for circuit design compatibility. The through-hole mounting style dictates PCB assembly methods. Evaluate the thermal performance within the specified temperature range for long-term reliability in your specific application context.

Part Context

The CST25-1000 belongs to Triad Magnetics' CST25 series of current sense transformers. This series is engineered for detecting current passing through conductors in various electronic systems. The components are noted for their reliability and effective operation in demanding electrical environments. The series generally focuses on providing isolated current sensing solutions for modern power electronics.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternatives from other manufacturers. Ensure any replacement matches the 1:1000 ratio, frequency range, and isolation requirements.