744851221

Arrays, Signal Transformers Overview

The Würth Elektronik 744851221 is a WE-DCT series toroidal double power choke designed for surface mount applications. It features an inductance of 22 µH with a tolerance range of -20% to +30%. The component supports a maximum DC current of 3.5 A and exhibits a maximum DC resistance of 45 mΩ. Its physical dimensions are 23 mm in length, 18.5 mm in width, and 11.5 mm in height. The device operates within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Toroidal core construction provides high magnetic efficiency and low electromagnetic interference.
• Surface mount design facilitates automated PCB assembly processes.
• Robust thermal performance ensures stable operation across wide industrial temperature ranges.

Arrays, Signal Transformers Applications

• Power supply input filtering
• DC-DC converter stages
• Automotive electronics systems

Arrays, Signal Transformers Procurement Notes

Verify the specific manufacturer part number against official Wurth Elektronik documentation to ensure authenticity. Confirm that the delivered components match the specified electrical parameters and physical dimensions. Check for any recent product change notices or lifecycle status updates directly from the manufacturer before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when a compact surface mount common mode choke with 22 µH inductance is required. Ensure the application current does not exceed the 3.5 A rating. Verify that the PCB footprint accommodates the 23x18.5 mm package size. Consider the operating temperature requirements to confirm compatibility with the -40°C to +125°C range.

Arrays, Signal Transformers Part Context

This component belongs to the WE-DCT series of toroidal double power chokes from Würth Elektronik. The series is engineered for high-performance filtering in space-constrained environments. The toroidal geometry offers superior shielding characteristics compared to standard E-core designs, making it suitable for sensitive electronic circuits requiring effective noise suppression.

Arrays, Signal Transformers Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternatives. Cross-reference inductance, current ratings, and physical dimensions when evaluating potential replacements. Do not assume functional equivalence based solely on similar specifications without manufacturer confirmation.