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Product Detailed Parameters
- Description：CMC 17MH 4A 2LN TH
- Series：WE-CMBNC
- Mfr：Würth Elektronik
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：4A
- DC Resistance (DCR) (Max)：52mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：300V
- Operating Temperature：-55° C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.906" L x 0.531" W (23.00mm x 13.50mm)
- Height (Max)：1.024" (26.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：17 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7448030417 is a Nano Crystal common mode choke from the WE-CMBNC series, designed for through-hole mounting. It features an inductance of 17 mH measured at 10 kHz and supports a maximum current of 4 A. The component has a DC resistance (DCR) of 52 mOhm. It is constructed with two lines and utilizes Nano Crystalline technology to provide effective electromagnetic interference suppression in general electronic equipment applications.
Feature Summary
- Utilizes Nano Crystalline core technology for high-performance filtering
- Designed for through-hole PCB mounting
- Provides common mode noise suppression for two-line circuits
Applications
- General electronic equipment power line filtering
- Electromagnetic interference suppression in industrial electronics
- Noise reduction in AC/DC converter input stages
Procurement Notes
Verify the specific datasheet version for the 7448030417 part number to confirm mechanical dimensions and thermal characteristics. Ensure that the application environment remains within the specified operating temperature range. Confirm that the 4 A current rating aligns with the system's peak load requirements. Check for any specific handling instructions related to the through-hole assembly process.
Selection Notes
Select this component when high inductance values are required for low-frequency noise attenuation in through-hole designs. The 17 mH value offers significant impedance at common mode frequencies. Consider the 52 mOhm DCR for efficiency calculations in power supply inputs. The Nano Crystalline material provides a balance between size and performance compared to traditional ferrite cores.
Part Context
This component belongs to the WE-CMBNC series, which specializes in Nano Crystal common mode chokes. The series is characterized by its ability to handle high currents while maintaining compact form factors. The 7448030417 specifically targets applications requiring robust EMI filtering in general-purpose electronics where through-hole reliability is preferred.
Replacement Considerations
Consult official Würth Elektronik documentation for direct substitutes within the WE-CMBNC series. Verify that alternative part numbers match the 17 mH inductance and 4 A current specifications. Ensure compatibility with existing PCB footprints if replacing during manufacturing.
