DKFP-A22A-D312

Common Mode Chokes Overview

The Schurter DKFP-A22A-D312 is a current compensated noise suppression choke designed for through-hole PCB mounting. It operates within a temperature range of -40°C to +125°C. The component features a compact, magnetically compensated design with dimensions of 18.5 mm length, 18 mm width, and 13 mm height. Key electrical specifications include a maximum DC current of 300 mA, a typical DC resistance of 1.28 Ohms, and a lead diameter of 0.8 mm.

Common Mode Chokes Feature Summary

• Magnetic compensation reduces inductance variation under DC bias conditions
• Compact surface-mount compatible footprint optimized for space-constrained PCB layouts
• Through-hole termination ensures secure mechanical attachment

Common Mode Chokes Applications

• DC-DC converter input filtering
• Noise suppression in low-current power supply lines
• Common mode interference mitigation in control circuits

Common Mode Chokes Procurement Notes

Verify the specific suffix D312 against official Schurter documentation to confirm exact electrical tolerances and pinout configuration. Ensure compatibility with existing PCB footprints regarding lead diameter and hole spacing. Cross-reference regulatory compliance certificates such as RoHS with the latest manufacturer release notes before finalizing procurement orders.

Common Mode Chokes Selection Notes

Select this component when low DC bias inductance drop is critical for circuit stability. The 300 mA rating suits applications with modest current demands. Evaluate thermal management requirements given the 1.28 Ohm resistance at full load. Confirm that the through-hole package aligns with assembly capabilities and available board real estate constraints.

Common Mode Chokes Part Context

This part belongs to the DKFP series of current compensated chokes from Schurter. These components are engineered to maintain stable inductance levels despite significant DC current flow, distinguishing them from standard common mode chokes. The series targets applications requiring precise noise filtering without sacrificing DC performance characteristics.

Common Mode Chokes Replacement Considerations

No public confirmed substitute part numbers are available in the provided source material.