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Product Detailed Parameters
- Description：CMC 10MH 700MA 2LN TH
- Series：WE-LF
- Mfr：Würth Elektronik
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：700mA
- DC Resistance (DCR) (Max)：550mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.709" L x 0.709" W (18.00mm x 18.00mm)
- Height (Max)：0.512" (13.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：10 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7446621010 is a through-hole common mode choke from the WE-LF Type SH series, designed for mains power line filtering. It features an inductance of 10 mH with a 30% tolerance and supports a maximum DC current of 700 mA. The component has a maximum DC resistance of 550 mOhms and operates within a temperature range of -40°C to +125°C. Its physical dimensions are 18 mm in length, 18 mm in width, and 13 mm in height.
Feature Summary
- Provides effective suppression of common mode noise on AC mains lines
- Utilizes a current-compensated core design for stable performance
- Constructed for reliable operation in high-temperature environments
Applications
- AC/DC converter input stages
- Offline switching power supplies
- Mains power line EMI filtering
Procurement Notes
Verify the specific suffix and manufacturing date code against the latest distributor data sheets to ensure compliance with current RoHS directives and material declarations. Confirm that the through-hole package dimensions match the target PCB footprint requirements before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring robust common mode noise attenuation for single-phase AC inputs. Ensure the circuit's operating current remains below the 700 mA rating to prevent saturation. Consider the 18x18 mm footprint and 13 mm height during mechanical layout planning to avoid clearance issues.
Part Context
This part belongs to the WE-LF Type SH series, which specializes in common mode chokes for mains applications. It complements other Wurth Elektronik passive components by offering standardized filtering solutions for power electronics, ensuring compatibility with various industrial and consumer power supply designs.
Replacement Considerations
Check for direct substitutes within the WE-LF series or equivalent current-compensated chokes from other manufacturers. Verify that any replacement matches the 10 mH inductance, 700 mA current rating, and through-hole mounting style to maintain circuit integrity.
