SU9V-R02140

Overview

The KEMET SU9V-R02140 is a through-hole common mode choke belonging to the SU-9V series. It features a bobbin style construction designed for power line filtering applications. The component provides a nominal inductance of 14 mH at a test frequency of 1 kHz. It supports a maximum current rating of 200 mA and exhibits a DC resistance of 6 Ohms. The device is rated for operation up to 250 V.

Feature Summary

• Through-hole bobbin construction for secure mounting
• Common mode noise suppression capability
• Designed for power line signal integrity

Applications

• Power supply input filtering
• Signal line noise reduction
• Electromagnetic interference suppression

Procurement Notes

Verify the specific inductance tolerance and current derating curves against the official KEMET datasheet before finalizing the design. Confirm that the through-hole footprint dimensions align with the target PCB layout requirements. Ensure the operating voltage does not exceed the 250 V rating under all transient conditions.

Selection Notes

Select this component when a through-hole solution is required for common mode noise attenuation in low-current power circuits. The 14 mH value offers significant impedance at standard switching frequencies. Consider the physical size constraints of the bobbin style compared to surface mount alternatives.

Part Context

This part belongs to the KEMET SU-9V series of common mode chokes. These components are engineered for general-purpose EMI filtering in electronic equipment. The series utilizes a bobbin winding technique to ensure consistent magnetic performance across production batches.

Replacement Considerations

Direct substitutes must match the 14 mH inductance, 200 mA current rating, and through-hole bobbin form factor. Verify pin compatibility and insulation class before substitution.