CM9900R-124

Common Mode Chokes Overview

The Delevan CM9900R-124 is a through-hole, PC mount common mode choke designed for PCB integration. It features a ferrite core and radial termination with a 5.1 mm lead spacing. The component provides an inductance of 120 uH at a test frequency of 1 kHz, with a tolerance of +/- 25%. It supports a maximum DC current of 2.8 A and has a maximum DC resistance of 28 mOhms. Operating temperatures range from -55 C to +125 C. Physical dimensions are 18.8 mm length, 21.3 mm width, and 17 mm height.

Common Mode Chokes Feature Summary

• Radial through-hole mounting style for direct PCB insertion
• Ferrite core construction for effective noise suppression
• Unshielded design suitable for standard electromagnetic environments

Common Mode Chokes Applications

• Power supply input filtering
• Signal line noise reduction
• Electromagnetic interference suppression in electronic circuits

Common Mode Chokes Procurement Notes

Verify the specific part number CM9900R-124 against official manufacturer documentation to confirm electrical parameters and physical dimensions. Ensure compatibility with PCB footprint requirements, specifically the 5.1 mm lead spacing. Check RoHS compliance status as indicated in the latest datasheet before procurement.

Common Mode Chokes Selection Notes

Select this component when a 120 uH common mode choke is required for through-hole assembly. Consider the 2.8 A current rating and 28 mOhm resistance for circuit design. Verify that the unshielded nature meets the system's EMI requirements and that the operating temperature range fits the application environment.

Common Mode Chokes Part Context

This component belongs to the Delevan CM9900R series of common mode chokes. The series offers various inductance values while maintaining consistent physical dimensions and mounting styles. The CM9900R-124 specifically targets applications requiring moderate inductance with high current handling capabilities in a compact through-hole package.

Common Mode Chokes Replacement Considerations

Consult official Delevan documentation or authorized distributors for verified substitute part numbers within the CM9900R series or equivalent components from other manufacturers. Cross-reference electrical specifications and mechanical dimensions to ensure functional equivalence.