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Product Detailed Parameters
- Description：CMC 90MH 3.5A 2LN TH
- Series：WE-CMBNC
- Mfr：Würth Elektronik
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：3.5A
- DC Resistance (DCR) (Max)：110mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.299" L x 0.748" W (33.00mm x 19.00mm)
- Height (Max)：1.535" (39.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：90 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7448050490 is a through-hole common mode choke from the WE-CMBNC series, utilizing a nanocrystalline core. It features an inductance of 90 mH with a tolerance of -30% to +50%. The component supports a maximum DC current of 3.5 A and has a maximum DC resistance of 110 mΩ. It operates within a temperature range of -40°C to +125°C and has a maximum self-resonant frequency of 300 MHz. Physical dimensions include a diameter of 33 mm, height of 39 mm, and lead pitch of 25 mm.
Feature Summary
- Utilizes nanocrystalline core material for high magnetic performance
- Designed for power line noise suppression applications
- Through-hole mounting configuration for robust PCB integration
Applications
- Power electronics noise filtering
- Common-mode interference suppression in power lines
- Industrial equipment EMI mitigation
Procurement Notes
Verify the specific part number 7448050490 against official Wurth Elektronik datasheets to confirm electrical parameters and physical dimensions. Ensure compatibility with existing board layouts regarding lead pitch and component height. Confirm that the nanocrystalline core characteristics meet the specific noise suppression requirements of the target application circuit.
Selection Notes
Select this component when high inductance values are required for low-frequency common mode noise attenuation. The nanocrystalline core offers advantages in saturation current handling compared to traditional ferrite cores. Consider the through-hole form factor if mechanical stability is prioritized over surface area constraints on the printed circuit board.
Part Context
This component belongs to the WE-CMBNC series, which specializes in common mode chokes using nanocrystalline technology. This series is engineered for demanding power electronics environments where effective electromagnetic interference suppression is critical. The nanocrystalline material provides superior magnetic properties for efficient noise filtering in power line applications.
Replacement Considerations
Consult official Wurth Elektronik documentation for verified substitute part numbers within the WE-CMBNC series or other compatible common mode choke families. Ensure any replacement matches the 90 mH inductance, 3.5 A current rating, and through-hole package specifications.
