7446321027

Overview

The Würth Elektronik 7446321027 is a through-hole common mode choke from the WE-LF Type LV series. It features an inductance of 27 mH with a 30% tolerance and supports a maximum DC current of 1 A. The component has a maximum DC resistance of 640 mOhms (0.64 Ohms). It operates within a temperature range of -40°C to +125°C. Physical dimensions are 26.5 mm length, 18.5 mm width, and 30.5 mm height.

Feature Summary

• Provides common mode noise suppression for line filter applications
• Utilizes current-compensated choke design for efficient filtering
• Supports high-temperature operation up to 125°C

Applications

• Line filtering in electronic circuits
• Common mode noise reduction in signal lines
• EMI suppression in power supply inputs

Procurement Notes

Verify the manufacturer part number 7446321027 against official Wurth Elektronik documentation to ensure authenticity. Confirm that the component matches the specified 27 mH inductance and 1 A current rating for your specific circuit requirements. Check for RoHS compliance status as indicated in the official datasheet before finalizing procurement decisions.

Selection Notes

Select this component when a through-hole common mode choke with 27 mH inductance is required. Ensure the PCB layout accommodates the 26.5 x 18.5 mm footprint and 30.5 mm height. Verify that the 1 A current rating meets the operational load and that the 640 mOhm DCR is acceptable for voltage drop considerations in the target application.

Part Context

This component belongs to the WE-LF Type LV series of common mode chokes manufactured by Wurth Elektronik. It is categorized under Inductors, Chokes & Coils. The series is designed for line filtering applications requiring through-hole mounting. The product is identified by the Mouser number 710-7446321027.

Replacement Considerations

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