DKFP-C21C-D539

Common Mode Chokes Overview

The SCHURTER DKFP-C21C-D539 is a through-hole current compensated common mode choke designed for noise suppression. It features an inductance of 39 mH per winding with a maximum DC current rating of 0.5 A and a typical DC resistance of 880 mOhm. The component operates within a temperature range of -40°C to +125°C and utilizes 0.8 mm lead diameter pins for PCB mounting.

Common Mode Chokes Feature Summary

• Provides effective common mode noise attenuation through current compensated choke technology
• Supports reliable surface or through-hole integration via standard leaded termination
• Maintains stable electrical performance across extended industrial temperature ranges

Common Mode Chokes Applications

• Electromagnetic interference filtering in low-current electronic circuits
• Signal integrity protection in sensitive measurement equipment
• Noise suppression in power supply input stages

Common Mode Chokes Procurement Notes

Verify the exact part number DKFP-C21C-D539 against official SCHURTER documentation before procurement. Confirm that the 0.5A current rating and 39mH inductance meet specific circuit requirements. Ensure compatibility with existing PCB footprint dimensions and lead spacing specifications to avoid assembly issues.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring moderate common mode noise reduction at low current levels. The 0.5A rating suits applications where high current handling is unnecessary. Verify that the through-hole package aligns with manufacturing capabilities and that the 880mOhm resistance does not impact voltage drop constraints in the target design.

Common Mode Chokes Part Context

This component belongs to the DKFP series of current compensated chokes from SCHURTER. These devices are engineered for compact noise suppression in space-constrained environments. The DKFP-C21C-D539 specifically targets applications needing balanced inductance characteristics with minimal differential mode interference.

Common Mode Chokes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult SCHURTER technical support for validated alternatives if this specific model is unavailable.