DFKH-31-0002

Common Mode Chokes Overview

The Schurter DFKH-31-0002 is a through-hole common mode choke from the DFKH series. It features an inductance of 1 mH and supports a maximum DC current of 4 A. The component has a maximum DC resistance of 250 mΩ and a self-resonant frequency of 1.2 MHz. It utilizes a radial mounting type with a lead pitch of 12.5 mm. The unit measures 31.5 x 18.5 x 33 mm and operates within a temperature range of -25°C to +100°C.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for differential signal lines
• Designed for through-hole PCB mounting applications
• Constructed with high saturation magnetic core material

Common Mode Chokes Applications

• Differential data line filtering in industrial equipment
• EMI suppression in power supply input stages
• Signal integrity protection in communication interfaces

Common Mode Chokes Procurement Notes

Verify the specific part number suffix against official Schurter documentation to confirm electrical ratings and physical dimensions. Ensure compatibility with assembly processes regarding lead pitch and thermal limits. Cross-reference certification requirements such as UL or IEC standards with the target application regulations before finalizing procurement decisions.

Common Mode Chokes Selection Notes

Select this component based on the required inductance value and current handling capacity for the specific circuit design. Consider the physical footprint constraints and mounting orientation relative to other board components. Evaluate the operating temperature range to ensure reliability under expected environmental conditions during system operation.

Common Mode Chokes Part Context

The DFKH series represents Schurter's lineup of common mode chokes designed for general-purpose EMI filtering. These components are engineered to meet stringent international safety and performance standards. The series offers various inductance values and current ratings to suit diverse electronic applications requiring robust noise reduction capabilities.

Common Mode Chokes Replacement Considerations

Consult official Schurter substitution guides for verified equivalent parts. Ensure replacement components match critical parameters including inductance, current rating, and physical dimensions.