CM9900-475

Common Mode Chokes Overview

The Delevan CM9900-475 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 4700 uH with a tolerance of +/- 25%. It supports a maximum DC current of 440 mA and has a maximum DC resistance of 760 mohms. 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

• Provides common mode noise filtering for electronic circuits
• Utilizes unshielded ferrite core technology
• Designed for reliable operation across extended industrial temperature ranges

Common Mode Chokes Applications

• Electromagnetic interference suppression in data lines
• Signal integrity protection in communication equipment
• Noise reduction in power supply input stages

Common Mode Chokes Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to confirm exact electrical characteristics and packaging configuration. Ensure compatibility with existing PCB footprint requirements, specifically the 5.1 mm lead spacing. Confirm RoHS compliance status directly from the datasheet as regulatory markings may vary by production batch or region.

Common Mode Chokes Selection Notes

Select this component when high inductance values are required for low-frequency common mode noise attenuation. Evaluate the 440 mA current rating against peak circuit loads to prevent saturation. Consider the unshielded design implications for nearby sensitive components. Compare physical dimensions against available board space constraints before finalizing the design integration.

Common Mode Chokes Part Context

This component is part of the API Delevan CM9900 series of PC mount common mode chokes. The series offers various inductance options tailored for different filtering requirements. These components are manufactured for robust performance in demanding electronic environments, providing consistent filtering characteristics across the specified operating temperature range.

Common Mode Chokes Replacement Considerations

Consult official Delevan cross-reference lists for verified substitutes. Ensure any replacement maintains identical inductance, current rating, and physical mounting dimensions to preserve circuit functionality and mechanical fit.