DFKH-31-0006

Common Mode Chokes Overview

The Schurter DFKH-31-0006 is a magnetically compensated common mode choke from the DFKH series, designed for single-phase applications. It features a through-hole radial mounting configuration with a 12.5 mm lead pitch. The component provides an inductance of 2 mH and supports a maximum DC current of 6 A. Key electrical parameters include a maximum DC resistance of 24 mΩ and a tolerance range of -30% to +50%. The unit operates within a temperature range of -25°C to +100°C and has a maximum self-resonant frequency of 1.2 MHz. Physical dimensions are 31.5 x 18.5 x 33 mm.

Common Mode Chokes Feature Summary

• Magnetically compensated design for high performance in single-phase circuits
• Radial through-hole construction for standard PCB integration
• High current handling capability suitable for power line filtering

Common Mode Chokes Applications

• Single-phase power supply input filtering
• Common mode noise suppression in electronic equipment
• EMI reduction in AC mains interfaces

Common Mode Chokes Procurement Notes

Verify the specific part number DFKH-31-0006 against manufacturer datasheets to confirm magnetic compensation and inductance values. Ensure compatibility with required lead pitch and thermal operating ranges. Cross-reference certification requirements such as UL or IEC standards relevant to the final assembly. Confirm physical footprint dimensions match the target PCB layout constraints before procurement.

Common Mode Chokes Selection Notes

Select this component when a magnetically compensated choke is required for single-phase applications to minimize core saturation effects. Compare the 6 A current rating and 2 mH inductance against circuit specifications. Evaluate the radial package and 12.5 mm pitch against available board space. Consider the 24 mΩ DC resistance impact on voltage drop and efficiency in the specific power path design.

Common Mode Chokes Part Context

The DFKH series comprises magnetically compensated chokes engineered for demanding single-phase environments. These components utilize specialized winding techniques to enhance linearity and reduce audible noise. The series offers various inductance values and current ratings, providing flexibility for diverse EMI suppression needs while maintaining compact physical profiles for dense electronic assemblies.

Common Mode Chokes Replacement Considerations

Direct substitutes may include other Schurter DFKH variants with matching inductance and current ratings. Verify equivalent magnetic compensation characteristics and physical dimensions. Ensure alternative components meet the same regulatory certifications and thermal performance limits for seamless integration.