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Product Detailed Parameters
- Description：CMC 2.2MH 1.3A 2LN TH
- Series：WE-FC
- Mfr：Würth Elektronik
- Package：Tube
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：1.3A
- DC Resistance (DCR) (Max)：170mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.835" L x 0.654" W (21.20mm x 16.60mm)
- Height (Max)：0.886" (22.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：2.2 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7448640409 is a through-hole common mode choke from the WE-FC series, designed for power line filtering. It features an inductance of 2.2 mH and a maximum DC current rating of 1.3 A to 1.6 A depending on specific configuration. The component has a maximum DC resistance of 0.17 Ω to 0.2 Ω. It operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification for automotive reliability.
Feature Summary
- AEC-Q200 qualified for automotive applications
- Radial through-hole mounting style
- Dual-line common mode filtering capability
Applications
- Automotive power supply noise suppression
- DC/DC converter input/output filtering
- Industrial control system EMI reduction
Procurement Notes
Verify the exact electrical parameters against the manufacturer's datasheet, as sources indicate variations in current ratings (1.3 A vs 1.6 A) and resistance values. Confirm package dimensions and lead availability directly with authorized distributors to ensure compatibility with your assembly process.
Selection Notes
Select this component when automotive-grade reliability is required for common mode noise suppression in power lines. Ensure the operating current does not exceed the rated limit to maintain inductance stability. Verify thermal management requirements given the 125°C maximum operating temperature.
Part Context
This part belongs to the WE-FC series of common mode chokes by Würth Elektronik. The series is characterized by high saturation currents and low DC resistance, making it suitable for compact power electronics designs requiring robust EMI performance in constrained spaces.
Replacement Considerations
Check for direct substitutes within the WE-FC series with similar inductance and current ratings. Ensure any replacement maintains AEC-Q200 certification if used in automotive contexts. Verify pin-out and mechanical footprint compatibility before substitution.
