CM9900R-824

Common Mode Chokes Overview

The Delevan CM9900R-824 is a through-hole, PC mount common mode choke designed for radial termination. It features an unshielded ferrite core and operates within a temperature range of -55°C to +125°C. The component provides an inductance of 820 µH at a test frequency of 1 kHz with a tolerance of ±25%. It supports a maximum DC current of 1.1 A and has a maximum DC resistance of 63 mOhms. The physical dimensions are 21.3 mm in length, 18.8 mm in width, and 17 mm in height, with a lead spacing of 5.1 mm.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression via dual-line filtering architecture
• Utilizes unshielded ferrite core construction for standard electromagnetic interference mitigation
• Supports robust thermal performance across extended industrial operating temperatures

Common Mode Chokes Applications

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

Common Mode Chokes Procurement Notes

Verify RoHS compliance status directly with the manufacturer or authorized distributors prior to procurement, as regulatory documentation may vary by production batch. Confirm that the specific ordering suffix matches the required packaging configuration, such as reel quantities, to ensure compatibility with automated assembly processes. Cross-reference the part number against official Delevan catalogs to validate current availability and manufacturing lifecycle status before finalizing purchase orders.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring moderate inductance values for common mode noise attenuation. Ensure the maximum DC current rating of 1.1 A exceeds the expected operational load to prevent saturation. Verify that the PCB footprint accommodates the specified lead spacing and physical envelope. Consider the unshielded nature of the device for placement relative to sensitive components to avoid unintended coupling effects during layout.

Common Mode Chokes Part Context

This component belongs to the CM9900R series of common mode chokes manufactured by Delevan. The series offers various inductance options tailored for different filtering requirements while maintaining consistent mechanical dimensions and mounting styles. These devices are engineered for reliable performance in applications demanding effective noise suppression without excessive size constraints.

Common Mode Chokes Replacement Considerations

Consult official Delevan substitution guides for verified alternative part numbers within the CM9900R series. Direct replacements must match electrical parameters including inductance, current rating, and DC resistance. Verify mechanical compatibility and pinout configurations before integrating substitute components into existing designs.