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Product Detailed Parameters
- Description：CMC 12MH 10A 2LN TH
- Series：WE-CMBNC
- Mfr：Würth Elektronik
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：10A
- DC Resistance (DCR) (Max)：15mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.339" L x 0.906" W (34.00mm x 23.00mm)
- Height (Max)：1.417" (36.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：12 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7448051012 is a through-hole common mode choke from the WE-CMBNC series, utilizing nanocrystalline core technology. It features an inductance of 90 mH at 10 kHz and supports a maximum DC current of 3.5 A. The component has a maximum self-resilient frequency of 300 MHz and a DC resistance of 110 mΩ. Designed for robust performance, it operates within a temperature range of -40°C to +125°C and withstands up to 250 V AC. Physical dimensions include a 33 mm diameter and 25 mm lead pitch.
Feature Summary
- Utilizes nanocrystalline core material for high magnetic permeability and low loss characteristics.
- Provides effective common mode noise suppression with high inductance values.
- Supports through-hole mounting for secure mechanical attachment.
Applications
- Power line filtering in industrial equipment
- Noise suppression in consumer electronics power supplies
- EMI reduction in automotive non-critical systems
Procurement Notes
Verify the specific part number against official Wurth Elektronik documentation to ensure correct specifications. Confirm that the 90 mH inductance and 3.5 A current rating align with your circuit requirements. Check for RoHS and REACH compliance status as listed in the datasheet. Ensure the through-hole package dimensions fit your PCB layout constraints before ordering.
Selection Notes
Select this component when high inductance is required for low-frequency noise filtering. The nanocrystalline core offers advantages over traditional ferrite cores in terms of saturation characteristics. Consider the 3.5 A current limit and 110 mΩ DC resistance for thermal management. Verify that the 250 V AC voltage rating meets the application's isolation needs.
Part Context
This component belongs to the WE-CMBNC series, which specializes in nanocrystalline common mode chokes. The series is designed for applications requiring high performance in compact spaces. Nanocrystalline materials provide superior magnetic properties compared to standard ferrites, enabling higher inductance densities.
Replacement Considerations
Cross-reference with other WE-CMBNC variants for different inductance or current ratings. Ensure any substitute maintains the through-hole package and nanocrystalline core type. Verify compatibility with existing PCB footprints and thermal requirements.
