CM9900R-127

Common Mode Chokes Overview

The Delevan CM9900R-127 is a through-hole, PC mount common mode choke from the CM9900R series. It features a ferrite core and radial termination with a 5.1 mm lead spacing. The component has an inductance of 120 mH (120,000 uH) at a test frequency of 1 kHz, with a tolerance of ±25%. It supports a maximum DC current of 100 mA and has a maximum DC resistance of 16 Ohms. Operating temperature ranges from -55°C to +125°C. Physical dimensions are 21.3 mm x 18.8 mm x 17 mm.

Common Mode Chokes Feature Summary

• Radial through-hole mounting for PCB integration
• Ferrite core construction for effective noise suppression
• High inductance value for low-frequency common mode filtering

Common Mode Chokes Applications

• Power supply input filtering
• EMI suppression in electronic circuits
• Signal line protection against common mode interference

Common Mode Chokes Procurement Notes

Verify the specific suffix 'R' indicates RoHS compliance status as documented by the manufacturer. Confirm the exact inductance value and tolerance match design requirements. Check lead spacing compatibility with PCB footprint. Ensure operating temperature range meets environmental conditions. Validate packaging type availability for production needs.

Common Mode Chokes Selection Notes

Select this component when high inductance is required for common mode noise reduction at low frequencies. Consider the 100 mA current rating for circuit load limits. Evaluate the 16 Ohm DC resistance impact on voltage drop. Compare physical dimensions against board space constraints. Assess thermal performance within the specified temperature range.

Common Mode Chokes Part Context

Part of the Delevan CM9900R series of common mode chokes. Designed for general-purpose EMI filtering applications. Offers robust performance in industrial and commercial electronics. Provides reliable noise suppression in power and signal lines.

Common Mode Chokes Replacement Considerations

Check for direct substitutes within the CM9900R series with similar inductance and current ratings. Verify pinout and dimensional compatibility before substitution. Consult manufacturer documentation for approved alternative part numbers.