CM9900-395

Common Mode Chokes Overview

The Delevan CM9900-395 is a through-hole, PC mount common mode choke featuring a ferrite core and radial termination. It provides an inductance of 3.9 mH with a tolerance of ±25%, measured at a test frequency of 1 kHz. The component supports a maximum DC current of 440 mA and exhibits a maximum DC resistance of 669 mOhms. It 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. The unit is unshielded.

Common Mode Chokes Feature Summary

• Radial through-hole construction for PCB mounting
• Ferrite core design for common mode noise suppression
• Unshielded configuration

Common Mode Chokes Applications

• PCB mounted common mode filtering
• Signal line noise suppression
• Power supply EMI reduction

Common Mode Chokes Procurement Notes

Verify RoHS compliance status as documentation indicates non-compliance. Confirm availability and lead times directly with the manufacturer or authorized distributors, as stock levels may vary. Ensure ordering quantities align with factory packaging requirements specified by the supplier.

Common Mode Chokes Selection Notes

Select this component for applications requiring 3.9 mH inductance at 440 mA. Verify that the 669 mOhm DC resistance fits the circuit loss budget. Ensure the 5.1 mm lead spacing matches the PCB footprint. Check thermal management needs given the 125°C maximum operating temperature limit.

Common Mode Chokes Part Context

This part belongs to the Delevan CM9900 series of common mode chokes. These components are designed for general-purpose electromagnetic interference filtering in electronic circuits. The series offers various inductance values while maintaining consistent physical dimensions and mounting styles for standardized integration.

Common Mode Chokes Replacement Considerations

No public confirmed substitute part numbers are available.