750311308

Wurth Elektronik
710-750311308
750311308

Mfr.:

Description:
Power Transformers - Board Mount WE-FB LT3574 3 uH 12 W
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Datasheet:
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Product Attribute Attribute Value Select Attribute
Wurth Elektronik
Product Category: Power Transformers - Board Mount
RoHS:  
Flyback Transformers
36 V
24 V
12 W
500 mA
SMD/SMT
Single Primary Winding
Single Secondary Winding
15.24 mm
13.34 mm
11.43 mm
WE-FB
Brand: Wurth Elektronik
Inductance: 3 uH
Maximum Operating Temperature: + 125 C
Minimum Operating Temperature: - 40 C
Operating Frequency: 100 kHz
Packaging: Reel
Packaging: Cut Tape
Packaging: MouseReel
Product Type: Power Transformers
Factory Pack Quantity: 200
Subcategory: Transformers
Termination Style: SMD/SMT
Turns Ratio: 0.042361111
Type: Flyback
Part # Aliases: LT3574
Unit Weight: 4.460 g
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Attributes selected: 0

Datasheet

PCN

RedExpert

Compliance Codes
CNHTS:
8504319000
CAHTS:
8504310020
USHTS:
8504314035
JPHTS:
850431000
ECCN:
EAR99
Origin Classifications
Country of Origin:
China
Assembly Country of Origin:
Not available
Country of Diffusion:
Not available
The country is subject to change at the time of shipment.

DC/DC Converter Transformers

Würth Elektronik DC/DC Converter Transformers include the MID-PPTI, MID-PPMAX, MID-IBTI, MID-IBTEL, MID-IBMAX, MID-PLN, MID-HB, WE-FB, MID-FLYMAX, MID-FLYLT, and MID-FLYADI series. These transformers feature a wide range of options from output voltages, with or without AUX, THT, or SMT, and single or multiple outputs. Würth Elektronik DC/DC Converter Transformers are suitable for isolated DC/DC SMPS, industrial controls, building automation, and telecom converter applications.

WE-FB Flyback Transformers

Würth Elektronik WE-FB Flyback Transformers provide a straightforward design solution, requiring fewer external components and occupying minimal board space. These cost-effective transformers are compatible with multiple Linear Technologies (LT) chipsets, ensuring reliable voltage control over the long term. With an isolation voltage of up to 2.5kV, Würth Elektronik WE-FB Flyback Transformers deliver sustained performance and safety.

Components for Battery Chargers

Würth Elektronik Electronic Components for Battery Chargers include common mode chokes, capacitors, sure protection, ferrites for cable assembly, transformers for AC/DC converters, wireless power, LEDs, and inductors. The electromechanical components include wire-to-board connectors, REDCUBE terminals, detector switches, spacers, and SKEDD connectors.

Components for AC Power Tools Less Than 1kW

Würth Elektronik Components for AC Power Tools <1kW include ESD protection, sensors, LEDs, MLCCs, inductors, converters, and much more. These power tool applications offer a power rating of less than 1kW and offer solutions for electronic components, electromechanical components, and wireless connectivity and sensors.

Transformers

Würth Elektronik Transformers feature power transformers for AC/DC, DC/DC, data/signal, battery management systems (BMS), and interfaces. Additional transformer solutions are gate drive and current sense transformers. These Würth power transformers feature several topologies, including flyback, push-pull, isolated buck, forward, and half-bridge. Würth Elektronik transformers are ideal for power electronics, LED lighting, signal applications, white goods, and more.

Components for AC Power Tools More Than 1kW

Würth Elektronik Components for AC Power Tools >1kW include capacitors, fuse holders, rocker switches, transformers, common mode chokes, sensors, and many more. All of these components have a power rating of more than 1kW. 

In Stock: 228

Stock:
228
Can Dispatch Immediately
On Order:
200
Expected 02/11/2026
Factory Lead Time:
21
Weeks Estimated factory production time for quantities greater than shown.
Minimum: 1   Multiples: 1
Unit Price:
$-.--
Ext. Price:
$-.--
Est. Tariff:
Packaging:
Full Reel (Order in multiples of 200)

Pricing (USD)

Qty. Unit Price
Ext. Price
Cut Tape / MouseReel™ †
$6.87 $6.87
$6.20 $62.00
$5.95 $148.75
$5.77 $288.50
$5.59 $559.00
Full Reel (Order in multiples of 200)
$5.35 $1,070.00
$5.09 $2,036.00
$4.89 $4,890.00
† A MouseReel™ fee of $7.00 will be added and calculated in your basket. All MouseReel™ orders are non-cancellable and non-returnable. ↩

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