7446322010

Overview

The Würth Elektronik 7446322010 is a through-hole common mode choke from the WE-LF series, designed for power line applications. It features an inductance of 10 mH at 10 kHz and supports a maximum DC current of 1.9 A. The component has a maximum DC resistance of 0.18 ohms and operates within a temperature range of -40°C to +125°C. Measuring 23.50 mm in length, 16.00 mm in width, and up to 25.50 mm in height, it utilizes a vertical 4-pin package.

Feature Summary

• Provides effective suppression of common mode noise on mains power lines
• Constructed with robust materials suitable for high-temperature environments
• Complies with VDE certification standards for safety

Applications

• Mains power line filtering
• EMI suppression in AC power inputs
• Power supply input stages

Procurement Notes

Verify the specific manufacturer part number against official Wurth Elektronik documentation to ensure authenticity. Confirm that the component meets required safety certifications such as VDE for your intended application. Check datasheets for precise mechanical dimensions and thermal ratings before integration into the design.

Selection Notes

Select this component when designing circuits requiring through-hole mounting for power line EMI filtering. Ensure the 1.9 A current rating and 10 mH inductance align with system requirements. Consider the vertical package profile and operating temperature range relative to the enclosure constraints.

Part Context

This component belongs to the WE-LF series of common mode chokes specifically engineered for mains power lines. The series is characterized by its ability to handle significant currents while providing substantial impedance to common mode interference. It is widely used in industrial and consumer electronics for compliance with electromagnetic compatibility regulations.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.