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CM9900-684 is listed in the Common Mode Chokes range at ChipApex. The manufacturer field lists Delevan. Its product description is CMC 680UH 1.1A 2LN TH. Review the specifications below when checking this part for your BOM.
Common Mode Chokes specifications for CM9900-684
- Description：CMC 680UH 1.1A 2LN TH
- Series：CM9900
- Mfr：Delevan
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：1.1A
- DC Resistance (DCR) (Max)：115mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-55°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.839" L x 0.740" W (21.30mm x 18.80mm)
- Height (Max)：0.669" (17.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：680 µH @ 1 kHz
- Impedance @ Frequency：-
Common Mode Chokes datasheet and documents for CM9900-684
Common Mode Chokes Overview
The Delevan CM9900-684 is a through-hole common mode choke designed for PCB mounting. It features a ferrite core and radial termination with a 5.1 mm lead spacing. The component provides an inductance of 680 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 115 mΩ. The device operates within a temperature range of -55°C to +125°C. Physical dimensions are 21.3 mm in length, 18.8 mm in width, and 17 mm in height.
Common Mode Chokes Feature Summary
- Radial through-hole construction for standard PCB integration
- Ferrite core material for effective noise suppression
- Unshielded design suitable for general electromagnetic interference filtering
Common Mode Chokes Applications
- Data line filtering in electronic circuits
- Common mode noise reduction in power supplies
- Signal integrity protection in communication interfaces
Common Mode Chokes Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to confirm exact electrical characteristics and packaging type. Ensure compatibility with existing PCB footprint requirements, specifically the 5.1 mm lead spacing. Confirm RoHS compliance status directly with the supplier or original datasheet before procurement.
Common Mode Chokes Selection Notes
Select this component when a 680 µH inductance value is required for common mode noise attenuation. Verify that the 1.1 A current rating meets the circuit's operational demands. Consider the unshielded nature of the device regarding proximity to sensitive components. Check thermal constraints to ensure operation remains within the specified -55°C to +125°C range.
Common Mode Chokes Part Context
This component belongs to the Delevan CM9900 series of common mode chokes. The series offers various inductance values tailored for different filtering applications. The CM9900-684 specifically targets applications requiring moderate inductance with high current handling capabilities relative to higher inductance variants in the same family.
Common Mode Chokes Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Cross-referencing requires matching inductance, current rating, and physical dimensions.
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