DKIH-3242-202M-NK

Common Mode Chokes Overview

The DKIH-3242-202M-NK is a single-phase current compensated choke from Schurter's DKIH series, designed for PCB mounting. It features radial termination and an unshielded construction. Key electrical parameters include an inductance of 3.7 mH with a tolerance of -30% to +50%, and a maximum DC current rating of 20 A. The component exhibits a maximum DC resistance of 2.5 mOhms and a self-resonant frequency of 15.4 MHz. It operates within a temperature range of -40°C to +100°C.

Common Mode Chokes Feature Summary

• Provides high-current suppression for EMI noise generated by power applications on the PCB.
• Utilizes an open design architecture to achieve lightweight and compact physical dimensions.
• Offers current compensation functionality suitable for single-phase circuit protection.

Common Mode Chokes Applications

• Frequency Converters
• Charge Stations
• UPS Systems

Common Mode Chokes Procurement Notes

Verify the specific part number against official Schurter documentation to confirm technical specifications. Ensure compatibility with PCB layout requirements regarding radial lead spacing and thermal management. Confirm that the operating environment remains within the specified temperature limits. Cross-reference datasheets for any recent updates to mechanical drawings or material compliance statements before finalizing procurement decisions.

Common Mode Chokes Selection Notes

Select this component when designing single-phase systems requiring robust common-mode noise suppression at high current levels. The unshielded design necessitates careful placement relative to sensitive signal traces to prevent interference. Evaluate the 20 A current rating against peak load conditions to ensure reliable operation without saturation. Consider the radial mounting style for through-hole assembly processes compatible with the specified lead configuration.

Common Mode Chokes Part Context

This component belongs to the DKIH series of high-current chokes manufactured by Schurter Inc. The series expands the manufacturer's portfolio of current-compensated chokes for PCB mounting, offering options for both single-phase and three-phase applications. These components are engineered to address electromagnetic interference challenges in modern electronic power systems.

Common Mode Chokes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult Schurter technical support for direct equivalents or verify if other DKIH series variants meet the specific inductance and current requirements of the application.