MPN

Wurth Elektronik 51 μH 1 A Common Mode Filter 0.16 Ω 80V

RS Stock No.:: 144-9782
Mfr. Part No.:: 744227
Brand:: Wurth Elektronik

Wurth Elektronik 51 μH 1 A Common Mode Filter 0.16 Ω 80V

Subtotal (1 reel of 1000 units)*

£1,167.00

(exc. VAT)

£1,400.00

(inc. VAT)

FREE delivery for orders over £60.00

Temporarily out of stock

1,000 unit(s) shipping from 25 January 2027

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Reel*
1000 +	£1.167	£1,167.00

*price indicative

RS Stock No.:: 144-9782
Mfr. Part No.:: 744227
Brand:: Wurth Elektronik

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Wurth Elektronik
	Inductance	51μH
	Product Type	Common Mode Filter
	Maximum DC Current	1A
	Series	WE-SL2
	Impedance	5.5kΩ
	Packaging	Tape & Reel
	Test Frequency	1kHz
	Maximum Operating Temperature	125°C
	Minimum Operating Temperature	-40°C
	Automotive Standard	AEC-Q200
	Mount Type	Surface
	Choke Voltage	80V
	Pin Count	4
	Inductance Tolerance	±30 %
	Length	9.2mm
	Termination Style	Surface Mount
	Maximum DC Resistance	0.16Ω
	Depth	6mm
	Standards/Approvals	REACH, RoHS
	Height	5mm

	Select all
	Brand Wurth Elektronik
	Inductance 51μH
	Product Type Common Mode Filter
	Maximum DC Current 1A
	Series WE-SL2
	Impedance 5.5kΩ
	Packaging Tape & Reel
	Test Frequency 1kHz
	Maximum Operating Temperature 125°C
	Minimum Operating Temperature -40°C
	Automotive Standard AEC-Q200
	Mount Type Surface
	Choke Voltage 80V
	Pin Count 4
	Inductance Tolerance ±30 %
	Length 9.2mm
	Termination Style Surface Mount
	Maximum DC Resistance 0.16Ω
	Depth 6mm
	Standards/Approvals REACH, RoHS
	Height 5mm

COO (Country of Origin):: CN

Wurth Elektronik WE-SL2 Series Common Mode Filter, 51μH Inductance, 5.5kΩ Impedance - 744227

This common-mode filter is a surface-mounted EMI suppression component designed for automotive and industrial environments. It operates across a wide temperature range and is intended to reduce conducted interference on differential signal lines while maintaining signal integrity. The component meets automotive-level reliability expectations and is supplied in an assembly-friendly packaging format for volume placement.

Features and Benefits:

• ±30% inductance tolerance provides predictable attenuation performance
• 80V choke voltage enables handling of elevated line potentials
• Low DCR 0.16Ω reduces insertion loss and heat generation
• 1A maximum DC current supports moderate power signal lines
• 125°C maximum operating temperature sustains high-temperature operation

Applications

• Suitable for EMI suppression in vehicle electronics
• Ideal for filtering signal lines in control units
• Used with power rails requiring noise attenuation
• Can be used for interference reduction on sensor interfaces

What termination style does it use?

It employs a surface-mount termination style for automated placement.

How is it packaged for production assembly?

The component is supplied on tape and reel to support pick-and-place processes.

What environmental approvals does it carry?

It complies with REACH and RoHS requirements.

What are the component’s physical envelope dimensions?

The device measures 9.2mm in length, 6mm in depth and 5mm in height.

What test condition defines its impedance rating?

Impedance is specified at a 1kHz test frequency.

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