SU9H-R02140

Overview

The KEMET SU9H-R02140 is a through-hole common mode choke belonging to the SU-9H series. It features a bobbin construction with an inductance of 14 mH and a rated current of 0.2 A. The component supports a maximum voltage of 250 V and provides a maximum common mode impedance of 17 Ohms. Designed for robust performance, it operates within a temperature range of -40°C to +125°C.

Feature Summary

• Through-hole bobbin construction for mechanical stability
• High inductance value for effective noise suppression
• Rated for high voltage applications up to 250 V

Applications

• Power supply input filtering
• EMI suppression in AC/DC converters
• Signal line protection against common mode interference

Procurement Notes

Verify the specific suffix R02140 against official KEMET documentation to confirm the exact inductance tolerance and current rating specifications. Ensure the procurement channel provides genuine components with traceable manufacturing data to guarantee compliance with electrical standards and reliability requirements.

Selection Notes

Select this component when a through-hole solution is required for common mode noise reduction in low-current circuits. The 14 mH inductance offers significant attenuation for high-frequency interference. Consider the physical dimensions and mounting style compatibility with the target printed circuit board layout during the design phase.

Part Context

This part belongs to the KEMET SU-9H series of common mode chokes. These components are engineered for general-purpose electromagnetic interference filtering. The series utilizes a bobbin winding technique to ensure consistent electrical characteristics and durability under various environmental conditions.

Replacement Considerations

Consult official KEMET substitution guides for verified alternatives. Cross-referencing requires matching inductance, current rating, and package type to maintain circuit integrity.