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Product Detailed Parameters
- Description：CMC 3MH 23A 2LN TH
- Series：WE-CMBNC
- Mfr：Würth Elektronik
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：23A
- DC Resistance (DCR) (Max)：3mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.417" L x 0.906" W (36.00mm x 23.00mm)
- Height (Max)：1.417" (36.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：3 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7448052303 is a through-hole common mode choke from the WE-CMBNC series, utilizing NanoCrystalline technology. It features an inductance of 3 mH at 10 kHz and supports a maximum DC current of 23 A with a low DC resistance of 3 mΩ. The component operates within a temperature range of -40°C to +125°C and has a self-resonant frequency up to 300 MHz.
Feature Summary
- Utilizes NanoCrystalline core material for high magnetic performance
- Designed for high current applications with low insertion loss
- Through-hole mounting configuration for robust PCB integration
Applications
- Industrial power supply input filtering
- Motor drive EMI suppression
- Uninterruptible power system (UPS) noise reduction
Procurement Notes
Verify the specific package type and pin configuration against the official datasheet before ordering. Confirm that the 23 A current rating aligns with your thermal management design. Ensure the through-hole footprint matches your PCB layout constraints. Cross-reference the manufacturer part number to avoid confusion with similar series components.
Selection Notes
Select this component when high current handling and effective common mode noise attenuation are required. The NanoCrystalline core offers superior saturation characteristics compared to standard ferrite cores. Consider the physical size and through-hole requirements during the mechanical design phase. Evaluate the self-resonant frequency to ensure effectiveness at target noise frequencies.
Part Context
This component belongs to the WE-CMBNC series, which specializes in high-performance common mode chokes using NanoCrystalline materials. This series is engineered for demanding industrial environments where high current capacity and wide bandwidth noise suppression are critical. It complements other Wurth Elektronik inductor families by focusing on robust EMI mitigation.
Replacement Considerations
Consult the official Wurth Elektronik substitution guide for verified alternatives. Direct replacements must match the 3 mH inductance, 23 A current rating, and through-hole form factor. Generic equivalents may not replicate the NanoCrystalline core performance or saturation limits.
