CM9900-824

Common Mode Chokes Overview

The Delevan CM9900-824 is a through-hole PC mount common mode choke belonging to the CM9900 series. It features radial termination and an unshielded ferrite core construction. The component provides an inductance of 820 µH with a tolerance of ±25%. It supports a maximum DC current of 1.1 A and has a maximum DC resistance of 0.131 Ω. The device operates within a temperature range of -55°C to +125°C. Physical dimensions are 18.8 mm in length, 21.3 mm in width, and 17 mm in height, with a lead spacing of 5.1 mm.

Common Mode Chokes Feature Summary

• Radial through-hole mounting for PCB integration
• Unshielded ferrite core design
• Wide operating temperature capability

Common Mode Chokes Applications

• Common mode noise suppression in electronic circuits
• EMI filtering for power supply lines
• Signal integrity protection in communication interfaces

Common Mode Chokes Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm electrical parameters and physical dimensions. Ensure compatibility with existing PCB footprint requirements, specifically the 5.1 mm lead spacing. Confirm RoHS compliance status as indicated in the source data, which lists this item as non-compliant. Cross-reference testing frequency specifications if high-frequency performance validation is required for the application.

Common Mode Chokes Selection Notes

Select this component when a common mode choke with 820 µH inductance is required for through-hole assembly. Consider the 1.1 A current rating and 0.131 Ω resistance for circuit design constraints. Verify that the unshielded design meets EMI requirements for the target environment. Check temperature ratings to ensure operation within the specified -55°C to +125°C range.

Common Mode Chokes Part Context

The CM9900-824 is part of the Delevan CM9900 series of common mode chokes. This series offers various inductance values for different filtering needs. Components in this line share similar physical dimensions and mounting styles, facilitating standardized PCB layouts across different designs requiring varying noise suppression levels.

Common Mode Chokes Replacement Considerations

Consult official Delevan documentation for verified substitute part numbers. Ensure any replacement matches the 820 µH inductance, 1.1 A current rating, and 5.1 mm lead spacing. Verify that alternative components meet the same temperature and resistance specifications.