SCF20-05-550

Common Mode Chokes Overview

The KEMET SCF20-05-550 is a through-hole common mode choke from the SCF series, featuring a nanocrystalline metal core. It provides an inductance of 5.5 mH with a maximum DC current rating of 5 A and a maximum DC resistance of 0.028 ohms. Designed for vertical PCB mounting, this component operates within a temperature range of -40°C to +130°C.

Common Mode Chokes Feature Summary

• Utilizes nanocrystalline metal core technology for high permeability and inductance
• Designed for vertical printed circuit board mounting via wire terminals
• Capable of handling high DC currents up to 5 amperes

Common Mode Chokes Applications

• Home appliances
• Power supplies

Common Mode Chokes Procurement Notes

Verify the specific datasheet version and mechanical dimensions before integration. Confirm that the 5A current rating aligns with the thermal management design of the target application. Ensure the vertical mounting style fits the available PCB real estate. Cross-reference the nanocrystalline core specifications against electromagnetic interference requirements.

Common Mode Chokes Selection Notes

Select this component when high inductance density is required for common mode noise suppression in AC line filtering. The nanocrystalline core offers superior performance compared to traditional ferrite cores in specific frequency ranges. Consider the 5A current capacity and low DC resistance for efficient power transmission without excessive voltage drop.

Common Mode Chokes Part Context

This part belongs to the KEMET SCF series, which features toroidal coils with nanocrystalline metal cores. These components are engineered for ultra-high inductance and permeability, making them suitable for demanding EMI suppression tasks in power conversion systems where space efficiency and high performance are critical.

Common Mode Chokes Replacement Considerations

Check for direct substitutes within the SCF-X coil series or other nanocrystalline common mode chokes from KEMET. Verify that alternative parts match the 5.5 mH inductance, 5A current rating, and vertical mounting configuration to ensure mechanical and electrical compatibility.