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Product Detailed Parameters
- Description：CMC 30UH 1.4A 2LN 2.2 KOHM SMD
- Series：WE-SL5 HC
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power, Signal Line
- Number of Lines：2
- Current Rating (Max)：1.4A
- DC Resistance (DCR) (Max)：60mOhm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.374" L x 0.327" W (9.50mm x 8.30mm)
- Height (Max)：0.209" (5.30mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：30 µH @ 100 kHz
- Impedance @ Frequency：2.2 kOhms @ 60 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744273222 is a surface mount common mode line filter from the WE-SL5 HC series. It features an inductance of 30 µH at 100 kHz and supports a maximum DC current of 1.4 A. The component has a low DC resistance of 60 mΩ ±25% and offers high impedance, reaching 2.2 kΩ at 60 MHz. Constructed with a ferrite core and sectional winding style, it operates within a temperature range of -40°C to +125°C. The physical dimensions are 9.5 mm in length, 8.3 mm in depth, and 5.3 mm in height, utilizing a four-terminal SMD package.
Feature Summary
- Utilizes a sectional winding structure for enhanced performance in compact designs.
- Designed for reflow soldering profiles suitable for automated surface mount assembly.
- Provides effective common mode noise suppression with high impedance characteristics.
Applications
- Signal line filtering in electronic circuits
- Noise suppression in data transmission interfaces
- EMI reduction in consumer electronics
Procurement Notes
Verify the complete part number 744273222 against official Wurth Elektronik documentation to ensure correct specifications. Confirm compliance with relevant standards such as IEC 61249-2-21 and RoHS requirements during sourcing. Cross-reference technical parameters like inductance tolerance and current ratings with the manufacturer's datasheet before integration into design projects.
Selection Notes
Select this component when a low-profile SMD common mode choke is required for space-constrained applications. The 1.4 A current rating and 30 µH inductance make it suitable for specific signal lines. Ensure the operating temperature range of -40°C to +125°C aligns with the environmental conditions of the target system.
Part Context
This component belongs to the WE-SL5 HC series, which focuses on high-current capabilities in a small footprint. The series utilizes ferrite cores and sectional winding techniques to achieve reliable performance in surface mount configurations. It is designed to meet modern manufacturing demands for compact and efficient electromagnetic interference solutions.
Replacement Considerations
Consult official Wurth Elektronik substitution guides or equivalent product lists for verified alternatives. Do not assume cross-compatibility with other manufacturers' components without verifying electrical and mechanical parameters.
FAQ
What is the impedance value at 60 MHz?
The impedance is 2.2 kΩ at 60 MHz.
Does this component support automotive standards?
No, the component is not certified for automotive standards according to available data.
