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Wurth Elektronik 346 μH Ferrite Toroidal Inductor, Max SRF:3.3 MHz, 3.8 A Idc, 140 mΩ Rdc, WE-SI

RS Stock No.:: 163-3227
Mfr. Part No.:: 744136
Manufacturer:: Wurth Elektronik

Wurth Elektronik 346 μH Ferrite Toroidal Inductor, Max SRF:3.3 MHz, 3.8 A Idc, 140 mΩ Rdc, WE-SI

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Bulk discount available

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Subtotal (1 bag of 25 units)*

TWD3,565.00

(exc. GST)

TWD3,743.25

(inc. GST)

FREE delivery for orders over NT$1,300.00

In Stock

50 unit(s) ready to ship from another location
Plus 175 unit(s) shipping from June 22, 2026

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

Units	Per unit	Per Bag*
25 - 100	TWD142.60	TWD3,565.00
125 +	TWD128.30	TWD3,207.50

*price indicative

RS Stock No.:: 163-3227
Mfr. Part No.:: 744136
Manufacturer:: Wurth Elektronik

Specifications

Product overview and Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Wurth Elektronik
	Inductance	346μH
	Product Type	Toroidal Inductor
	Maximum DC Current	3.8A
	Mount Type	Lead Wire
	Packaging	Tray
	Maximum DC Resistance	140mΩ
	Automotive Standard	No
	Lead Diameter	0.7mm
	Diameter	31mm
	Height	15.3mm
	Minimum Operating Temperature	-40°C
	Core Material	Ferrite
	Maximum Operating Temperature	105°C
	Maximum Self Resonant Frequency	3.3MHz
	Inductance Tolerance	±20 %
	Length	33mm
	Termination Style	Solder
	Standards/Approvals	RoHS
	Depth	15.3mm
	Lead Pitch	13mm
	Series	WE-SI

	Select all
	Brand Wurth Elektronik
	Inductance 346μH
	Product Type Toroidal Inductor
	Maximum DC Current 3.8A
	Mount Type Lead Wire
	Packaging Tray
	Maximum DC Resistance 140mΩ
	Automotive Standard No
	Lead Diameter 0.7mm
	Diameter 31mm
	Height 15.3mm
	Minimum Operating Temperature -40°C
	Core Material Ferrite
	Maximum Operating Temperature 105°C
	Maximum Self Resonant Frequency 3.3MHz
	Inductance Tolerance ±20 %
	Length 33mm
	Termination Style Solder
	Standards/Approvals RoHS
	Depth 15.3mm
	Lead Pitch 13mm
	Series WE-SI

COO (Country of Origin):: CN

Wurth WE-FI/SI Series Toroidal Radial Chokes

Wurth Elektronik WE-FI series leaded inductors have a magnetic powder core and are ideal for use as storage suppressors in chopper regulators or as filter or smoothing chokes for suppression in thyristor or triac circuits. The ratings are based on recommendations of the various manufacturers of chopper regulator ICs.

Applications

Low iron losses

High storage capacity

Low radiated noise

Tinned solder terminals for easy assembly

Excellent price/performance ratio

Inductance Tolerance ±20%

Filter / smoothing chokes up to 10 MHz

Wurth Leaded Inductors (Chokes)

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