744225

$2.01

Description：CMC 40UH 900MA 2LN 3.1 KOHM SMD
Series：WE-SL2
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:048eabfefefa Category: Common Mode Chokes Brand: Würth Elektronik

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Product introduction

Product Detailed Parameters

Description：CMC 40UH 900MA 2LN 3.1 KOHM SMD
Series：WE-SL2
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)
Filter Type：Signal Line
Number of Lines：2
Current Rating (Max)：900mA
DC Resistance (DCR) (Max)：250mOhm
Voltage Rating - DC：80V
Voltage Rating - AC：-
Operating Temperature：-40°C ~ 125°C
Ratings：-
Approval Agency：-
Features：-
Mounting Type：Surface Mount
Size / Dimension：0.362" L x 0.236" W (9.20mm x 6.00mm)
Height (Max)：0.209" (5.30mm)
Package / Case：Horizontal, 4 PC Pad
Inductance @ Frequency：40 µH @ 1 kHz
Impedance @ Frequency：3.1 kOhms @ 40 MHz
Qualification：-
Grade：-

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744225

Overview

The Würth Elektronik 744225 is a surface-mount common mode line filter from the WE-SL2 series. It features an inductance of 40 µH at 1 kHz and provides an impedance of 3.1 kΩ at 40 MHz. The component supports a maximum DC current of 900 mA with a maximum DC resistance of 250 mΩ. Rated for 80 VDC, it operates within a temperature range of -40°C to +125°C. The device utilizes a NiZn and MnZn ring core and meets AEC-Q200 automotive standards.

Feature Summary

Utilizes NiZn and MnZn ring core material for effective common mode noise suppression
Complies with AEC-Q200 automotive qualification standards
Designed for recommended reflow soldering profiles

Applications

Automotive electronics systems requiring AEC-Q200 compliance
Power electronics circuits for common mode noise suppression
Signal line filtering applications

Procurement Notes

Verify the manufacturer part number 744225 against official Wurth Elektronik documentation to confirm specifications. Ensure compatibility with the required operating voltage of 80VDC and current rating of 900mA. Confirm that the surface mount package dimensions fit the design layout. Check for RoHS compliance status if environmental regulations apply to the final assembly.

Selection Notes

Select this component when a compact SMD common mode choke with high impedance at 40 MHz is required. The 40 µH inductance and 900 mA current rating suit moderate power signal lines. The wide temperature range and automotive qualification make it suitable for harsh environments. Compare impedance characteristics against specific noise frequencies to ensure adequate attenuation.

Part Context

This component belongs to the WE-SL2 series of common mode line filters manufactured by Würth Elektronik. The series is designed for surface mount technology and offers various inductance values. The 744225 specifically targets applications needing robust noise suppression in a small footprint, leveraging ferrite ring core technology for performance.