DKFP-A21A-021J

Common Mode Chokes Overview

The DKFP-A21A-021J is a current compensated noise suppression choke from the Schurter DKFP series. It features a through-hole mounting style with a single channel configuration. The component provides an inductance of 1.1 mH and supports a maximum DC current of 2 A. Its typical DC resistance is 61 mOhm, with a self-resonant frequency of 200 kHz. The unit operates within a temperature range of -40°C to +125°C and measures 43 mm in length, 42 mm in width, and 25 mm in height.

Common Mode Chokes Feature Summary

• Magnetically compensated design for efficient noise suppression
• Compact form factor suitable for space-constrained PCB layouts
• Through-hole termination for secure board integration

Common Mode Chokes Applications

• Current compensated noise suppression circuits
• EMC filtering in power supply architectures
• Signal integrity protection in electronic equipment

Common Mode Chokes Procurement Notes

Verify the specific suffix against official Schurter documentation to confirm exact electrical tolerances and mechanical dimensions. Ensure compatibility with existing PCB footprints and thermal management requirements before finalizing procurement decisions.

Common Mode Chokes Selection Notes

Select this component when a compact, high-current compensated choke is required for EMI reduction. The 2 A rating and low DC resistance make it suitable for applications demanding minimal voltage drop while maintaining effective noise attenuation across the specified frequency range.

Common Mode Chokes Part Context

This part belongs to the DKFP series of current compensated chokes designed by Schurter. These components are engineered to provide magnetic compensation, reducing the overall size and weight compared to standard common mode chokes while delivering equivalent performance in noise suppression applications.

Common Mode Chokes Replacement Considerations

Consult official Schurter substitution guides for verified equivalents. Cross-referencing requires matching inductance, current rating, and physical dimensions to ensure functional compatibility without redesigning the host circuit.