ST-201A

Overview

The KEMET ST-201A is a high-voltage ceramic disc capacitor designed for demanding electronic applications. It features a robust construction utilizing metallized ceramic dielectric technology to ensure long-term stability and reliability under stress. The component is engineered to withstand significant electrical loads while maintaining consistent performance characteristics across varying environmental conditions. Its design prioritizes safety and durability, making it suitable for circuits requiring precise capacitance values with high voltage tolerance.

Feature Summary

• Metallized ceramic dielectric construction for enhanced reliability
• High voltage tolerance capability for robust circuit protection
• Stable electrical performance under varying environmental stresses

Applications

• High-voltage filtering in power supply circuits
• Snubber networks for switching devices
• Coupling applications in RF systems

Procurement Notes

Verify the specific suffix codes on the component marking to confirm exact capacitance, voltage rating, and tolerance specifications before procurement. Ensure that the ordering information matches the required technical parameters for your circuit design. Cross-reference the manufacturer's latest datasheet to confirm availability and any potential obsolescence notices for this specific part number.

Selection Notes

Select this component based on its high voltage rating and ceramic dielectric properties. Consider the physical size constraints and mounting requirements of your PCB layout. Evaluate the operating temperature range to ensure the ceramic material remains stable within your application's thermal profile. Confirm that the capacitance value meets the circuit's timing or filtering requirements without exceeding voltage limits.

Part Context

This component belongs to KEMET's line of general-purpose ceramic capacitors. These parts are widely used in industrial and consumer electronics where reliability is critical. The ST series typically offers a balance of performance and cost-effectiveness for standard high-voltage applications. Understanding the broader family helps in identifying compatible alternatives if this specific model becomes unavailable.

Replacement Considerations

Check for direct substitutes from KEMET with identical case sizes and electrical ratings. Other manufacturers may offer equivalent ceramic disc capacitors, but verify pin compatibility and voltage derating curves. Ensure any replacement maintains the same safety certifications if used in regulated environments.