DKFP-D21D-0127

Common Mode Chokes Overview

The DKFP-D21D-0127 is a current compensated common mode choke manufactured by Schurter Inc. Designed for through-hole mounting, this component features a two-line configuration suitable for industrial environments. It operates with a typical DC resistance of 554mOhm and supports a current rating of 1A. The device utilizes lead wires with a diameter of 0.8 mm for secure PCB attachment.

Common Mode Chokes Feature Summary

• Current compensated design for effective noise suppression
• Compact magnetics construction for space-constrained applications
• Through-hole termination style for robust mechanical stability

Common Mode Chokes Applications

• Attenuation of common mode interferences in electronic circuits
• Noise filtering for chopper amplifiers
• EMI suppression in DC drives and stepper motor systems

Common Mode Chokes Procurement Notes

Verify the specific suffix code to ensure correct inductance and current ratings. Confirm package dimensions and lead spacing against PCB footprint requirements. Check for relevant safety approvals required for the target market. Ensure compatibility with assembly processes such as wave or manual soldering.

Common Mode Chokes Selection Notes

Select this component when high-frequency common mode noise reduction is critical for signal integrity. Consider the 1A current rating and low DC resistance for power efficiency. Evaluate the physical size constraints relative to the 31.5 mm length and 18.5 mm width specifications.

Common Mode Chokes Part Context

This part belongs to the DKFP series of suppression chokes from Schurter. The series is engineered for industrial use and meets independent testing body standards. It serves as a specialized solution for electromagnetic interference mitigation in sensitive control electronics.

Common Mode Chokes Replacement Considerations

Cross-reference with other DKFP-D21D variants for different inductance values. Verify that substitute components maintain equivalent current compensation characteristics and thermal performance limits.