744242220

Overview

The Würth Elektronik 744242220 is a surface-mount common mode choke from the WE-SLM series, designed for signal line filtering. It features two lines with an inductance of 22 µH at 100 kHz and offers an impedance of 1.5 kOhms at 65 MHz. The component supports a maximum DC current of 300 mA and has a maximum DC resistance of 230 mOhms. It operates within a voltage range of up to 80 V DC and functions reliably across a temperature range of -40°C to +125°C. The package dimensions are 6.00 mm x 3.30 mm x 3.50 mm.

Feature Summary

• Provides effective suppression of common mode noise for signal lines
• Supports high current capability up to 300 mA
• Compatible with standard reflow soldering profiles
• Operates reliably across extended industrial temperature ranges

Applications

• Common mode noise filtering in electronic circuits
• RF choke applications requiring compact SMD solutions
• Signal line protection in data communication interfaces

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and tolerance specifications. Confirm that the procurement channel provides valid RoHS compliance certificates and original manufacturer traceability. Cross-reference the part number with the latest datasheet to confirm availability status and any recent production changes or PCN updates before finalizing orders.

Selection Notes

Select this component when designing for signal lines requiring compact common mode filtering with moderate current handling. The 22 µH inductance and 1.5 kOhms impedance at 65 MHz make it suitable for higher frequency noise suppression. Ensure the PCB footprint matches the 6.00 mm x 3.30 mm dimensions and verify thermal management capabilities for the expected operating environment.

Part Context

This component belongs to the WE-SLM series of common mode chokes by Würth Elektronik. The series is characterized by small size and high current capability, making it ideal for space-constrained applications. The WE-SLM series is widely used in various electronic devices for EMI suppression and signal integrity improvement.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.