744866392

Description：CMC 3.9MH 5A 2LN TH
Series：WE-FCL
Mfr：Würth Elektronik
Package：Bulk

SKU:ebd6dd2a3382 Category: Common Mode Chokes Brand: Würth Elektronik

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Product introduction

Product Detailed Parameters

Description：CMC 3.9MH 5A 2LN TH
Series：WE-FCL
Mfr：Würth Elektronik
Package：Bulk
Filter Type：Power Line
Number of Lines：2
Current Rating (Max)：5A
DC Resistance (DCR) (Max)：50mOhm
Voltage Rating - DC：-
Voltage Rating - AC：250V
Operating Temperature：-40°C ~ 125°C
Ratings：-
Approval Agency：-
Features：-
Mounting Type：Through Hole
Size / Dimension：1.457" L x 1.024" W (37.00mm x 26.00mm)
Height (Max)：1.772" (45.00mm)
Package / Case：Vertical, 4 PC Pin
Inductance @ Frequency：3.9 mH @ 10 kHz
Impedance @ Frequency：-
Qualification：-
Grade：-

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744866392

Overview

The Würth Elektronik 744866392 is a WE-FCL series common mode power line choke designed for through-hole mounting. It features an inductance of 3.9 mH and supports a rated current of 5 A with a maximum DC resistance of 50 mΩ. The component utilizes a two-line configuration to suppress electromagnetic interference in power circuits. It operates within a temperature range suitable for industrial applications and is constructed for robust performance in filtering high-frequency noise from power lines.

Feature Summary

Provides effective common mode noise suppression for power line applications
Designed for through-hole PCB mounting for secure mechanical attachment
Utilizes a two-line configuration for balanced signal integrity

Applications

Power supply input filtering
Industrial equipment EMI suppression
Consumer electronics power line protection

Procurement Notes

Verify the obsolete status of part number 744866392 before procurement, as it is no longer manufactured by Würth Elektronik. Confirm availability of recommended substitutes such as 744825605 if replacement is required. Ensure that any alternative components meet the original electrical specifications including inductance, current rating, and physical dimensions to maintain circuit compatibility and safety compliance.

Selection Notes

Select this component based on its specific 3.9 mH inductance and 5 A current handling capability for power line filtering needs. Consider the through-hole package style when designing PCB layouts for mechanical stability. Evaluate the 50 mΩ DC resistance impact on power efficiency. Verify that the operating temperature range aligns with the environmental conditions of the target application to ensure long-term reliability and performance consistency.

Part Context

This component belongs to the WE-FCL series of common mode chokes from Würth Elektronik. The series is engineered for power line applications requiring reliable electromagnetic interference suppression. The WE-FCL line typically offers various inductance and current ratings to suit different power management requirements across industrial and consumer electronic devices.