744862100

Overview

The Würth Elektronik 744862100 is a through-hole common mode filter choke from the WE-TFC series, designed for power line applications. It features an inductance of 10 mH with a tolerance of -30% to +50%, measured at a test frequency of 10 kHz. The component supports a maximum DC current of 450 mA and has a maximum DC resistance of 1.65 Ohms. It operates within a temperature range of -40°C to +125°C. The physical dimensions are 17 mm in length, 11 mm in width, and 17 mm in height, with an 8 mm lead spacing.

Feature Summary

• Provides common mode noise suppression for single-channel power lines
• Utilizes ferrite core technology for effective filtering performance
• Designed for reliable operation across extended industrial temperature ranges

Applications

• Power line filtering in electronic equipment
• EMI suppression in AC/DC converter circuits
• Noise reduction in general-purpose power supplies

Procurement Notes

Verify the specific datasheet version for the 744862100 part number to confirm exact electrical tolerances and mechanical drawings before integration. Ensure that the PCB footprint matches the 8 mm lead spacing and overall package dimensions provided in the official manufacturer documentation. Cross-reference the RoHS compliance status as indicated in the latest product specifications.

Selection Notes

Select this component when a 10 mH inductance value is required for common mode noise attenuation in power line applications. The 450 mA current rating must be sufficient for the target circuit's operating conditions. Consider the through-hole mounting style and 17 mm height constraint during PCB layout design to ensure adequate clearance and mechanical stability.

Part Context

This component belongs to the WE-TFC series of common mode chokes manufactured by Würth Elektronik. These components are specifically engineered for power line filtering tasks, offering a balance of high inductance and compact form factor. The series is characterized by its robust construction and suitability for various industrial and commercial electronic applications requiring EMI mitigation.

Replacement Considerations

Direct substitutes include other Wurth Elektronik WE-TFC parts with similar inductance and current ratings, such as the 744862018 (1.8 mH) or 744861100 (10 mH, different series). Verify compatibility with existing PCB footprints and thermal requirements when considering alternative models from the same or competing manufacturers.