SH-311

Overview

The KEMET SH-311 is a through-hole common mode filter choke designed for DC line applications. It features an inductance of 3.2 µH at 100 kHz and supports a maximum DC current of 3 A. The component has a maximum DC resistance (DCR) of 25 mΩ. It operates within a temperature range of -25°C to +80°C. The physical dimensions are 14 mm in length, 12 mm in width, and 9.5 mm in height.

Feature Summary

• Provides common mode noise suppression for two-line DC circuits
• Utilizes through-hole mounting technology for PCB integration
• Engineered for high current handling up to 3 A

Applications

• DC power line filtering
• Electromagnetic interference suppression in electronic equipment
• Signal integrity protection in low voltage circuits

Procurement Notes

Verify the specific datasheet version for the SH-311 to confirm RoHS compliance status and exact thermal ratings. Ensure the selected component matches the required 3.2 µH inductance and 3 A current rating for your circuit design. Cross-reference the package dimensions with your PCB footprint requirements before finalizing procurement.

Selection Notes

Select the SH-311 when a through-hole solution is required for common mode noise reduction in DC lines. Consider its 3 A current capacity and 25 mΩ DCR for efficiency. Verify that the operating temperature range of -25°C to +80°C meets the environmental conditions of the target application.

Part Context

The SH-311 belongs to the KEMET SH series of common mode chokes. This series includes various models optimized for different current and inductance requirements. The SH-311 specifically targets applications needing moderate inductance with high current capability using a through-hole form factor.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.