DKFP-B21B-1K6Q

Common Mode Chokes Overview

The DKFP-B21B-1K6Q is a current compensated noise suppression choke from the Schurter DKFP series. It features through-hole mounting with a single channel configuration. Key electrical parameters include an inductance of 6.8 mH per winding, a maximum DC current rating of 1.2 A, and a maximum DC resistance of 219 mohms. The component operates within a temperature range of -40 °C to +125 °C and has a self-resonant frequency of 600 kHz. Physical dimensions are 18.5 mm in length, 18 mm in width, and 13 mm in height.

Common Mode Chokes Feature Summary

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

Common Mode Chokes Applications

• Current compensated noise suppression circuits
• Common mode filtering in electronic assemblies

Common Mode Chokes Procurement Notes

Verify the specific suffix against official Schurter documentation to ensure exact electrical and mechanical compatibility. Confirm that the through-hole pin configuration matches the target PCB footprint. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before procurement.

Common Mode Chokes Selection Notes

Select this component when a compact, current-compensated choke is required for common mode noise reduction. Ensure the application current does not exceed the 1.2 A rating and that the PCB layout accommodates the specified physical dimensions. Verify thermal requirements align with the -40 °C to +125 °C operating range.

Common Mode Chokes Part Context

This component belongs to the DKFP series of current compensated chokes manufactured by Schurter Inc. These components are designed for noise suppression applications where magnetic compensation helps maintain performance under varying load conditions. The series offers various inductance and current ratings to suit different circuit requirements.

Common Mode Chokes Replacement Considerations

The DKFP-B22B-1K6Q is a documented variant within the same series. Verify dimensional and electrical compatibility before substitution.