Transformers – Mouser Finland

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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Power Rating	Primary Voltage Rating	Secondary Voltage Rating	Mounting Style
Power Transformers - Board Mount WE-FB Flyback 2.7uH 500VDC 750311088 Wurth Elektronik 1: 6,14 € 402In Stock	Mfr. Part No. 750311088 Mouser Part No 710-750311088	Wurth Elektronik	Power Transformers - Board Mount WE-FB Flyback 2.7uH 500VDC Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	402In Stock	Cut Tape 6,14 € 5,67 € 5,19 € 4,72 € Reel 4,72 € 3,90 € MouseReel Available	Min.: 1 Mult.: 1 : 300	5 W	6 V to 12.6 V	100 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.6 W 750315826 Wurth Elektronik 1: 2,71 € 513In Stock	Mfr. Part No. 750315826 Mouser Part No 710-750315826	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.6 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	513In Stock	Cut Tape 2,71 € 2,57 € 2,17 € Reel 1,99 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	3.6 W	36 V to 72 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3511 200 uH 45 W 750311963 Wurth Elektronik 1: 7,47 € 855In Stock	Mfr. Part No. 750311963 Mouser Part No 710-750311963	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3511 200 uH 45 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	855In Stock	7,47 € 6,90 € 4,75 €	Min.: 1 Mult.: 1	45 W	8 V to 70 V	50 V to 150 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH 750032051 Wurth Elektronik 1: 6,19 € 215In Stock	Mfr. Part No. 750032051 Mouser Part No 710-750032051	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	215In Stock	Cut Tape 6,19 € 5,36 € 5,19 € Reel 4,98 € 4,73 € View 4,55 € 4,48 € MouseReel Available	Min.: 1 Mult.: 1 : 125				SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 15 uH 45.6 W 750311594 Wurth Elektronik 1: 12,35 € 112In Stock	Mfr. Part No. 750311594 Mouser Part No 710-750311594	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 15 uH 45.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	112In Stock	Cut Tape 12,35 € 11,57 € Reel 11,57 € 9,06 € MouseReel Available	Min.: 1 Mult.: 1 : 100	45.6 W	30 V to 75 V	12 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3750 10 uH 36 W 750032050 Wurth Elektronik 1: 10,13 € 296In Stock	Mfr. Part No. 750032050 Mouser Part No 710-750032050	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3750 10 uH 36 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	296In Stock	Cut Tape 10,13 € 9,35 € 8,57 € 7,79 € Reel 7,79 € View 6,42 € 5,65 € MouseReel Available	Min.: 1 Mult.: 1 : 200	36 W	3 V to 24 V	300 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3751 10 uH 750032052 Wurth Elektronik 1: 9,32 € 2 013In Stock	Mfr. Part No. 750032052 Mouser Part No 710-750032052	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3751 10 uH Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	2 013In Stock	Cut Tape 9,32 € 8,74 € 8,35 € Reel 7,59 € 6,84 € MouseReel Available	Min.: 1 Mult.: 1 : 125				SMD/SMT
Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W 750310562 Wurth Elektronik 1: 5,23 € 477In Stock	Mfr. Part No. 750310562 Mouser Part No 710-750310562	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	477In Stock	Cut Tape 5,23 € 4,85 € Reel 3,73 € MouseReel Available	Min.: 1 Mult.: 1 : 250	9.6 W	18 V to 30 V	12 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 2 W 750311019 Wurth Elektronik 1: 4,53 € 683In Stock	Mfr. Part No. 750311019 Mouser Part No 710-750311019	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	683In Stock	Cut Tape 4,53 € 4,21 € Reel 3,23 € MouseReel Available	Min.: 1 Mult.: 1 : 300	2 W	35 V to 75 V	3.3 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3574 3 uH 12 W 750311308 Wurth Elektronik 1: 6,24 € 428In Stock	Mfr. Part No. 750311308 Mouser Part No 710-750311308	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3574 3 uH 12 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	428In Stock	Cut Tape 6,24 € 5,63 € 5,40 € 5,24 € Reel 4,85 € View 5,07 € 4,61 € 4,57 € MouseReel Available	Min.: 1 Mult.: 1 : 200	12 W	36 V	24 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 50 uH 20 W 750311423 Wurth Elektronik 1: 6,23 € 320In Stock	Mfr. Part No. 750311423 Mouser Part No 710-750311423	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 50 uH 20 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	320In Stock	Cut Tape 6,23 € 5,83 € 5,27 € Reel 5,12 € 4,78 € MouseReel Available	Min.: 1 Mult.: 1 : 200	20 W	36 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3575 25 uH 10 W 750311675 Wurth Elektronik 1: 7,48 € 408In Stock	Mfr. Part No. 750311675 Mouser Part No 710-750311675	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 25 uH 10 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	408In Stock	Cut Tape 7,48 € 6,91 € 6,33 € 5,75 € Reel 5,13 € View 4,77 € 4,59 € MouseReel Available	Min.: 1 Mult.: 1 : 250	10 W	9 V to 30 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 400 uH 45 W 750311771 Wurth Elektronik 1: 12,35 € 602In Stock 1 000Expected 10/12/2026	Mfr. Part No. 750311771 Mouser Part No 710-750311771	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 400 uH 45 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	602In Stock 1 000Expected 10/12/2026	Cut Tape 12,35 € 11,57 € 11,07 € Reel 10,06 € 9,06 € MouseReel Available	Min.: 1 Mult.: 1 : 100	45 W	157 V to 629 VAC	15 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 20 uH 60 W 750311783 Wurth Elektronik 1: 12,35 € 915In Stock	Mfr. Part No. 750311783 Mouser Part No 710-750311783	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 20 uH 60 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	915In Stock	Cut Tape 12,35 € 11,57 € 11,07 € Reel 10,06 € 9,06 € MouseReel Available	Min.: 1 Mult.: 1 : 100	60 W	19 V to 70 V	24 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W 750311838 Wurth Elektronik 1: 3,35 € 1 110In Stock	Mfr. Part No. 750311838 Mouser Part No 710-750311838	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1 110In Stock	Cut Tape 3,35 € 3,04 € 2,83 € 2,74 € Reel 2,61 € View 2,41 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	2.1 W	36 V to 72 V	15 V, 15 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W 750312365 Wurth Elektronik 1: 3,05 € 677In Stock	Mfr. Part No. 750312365 Mouser Part No 710-750312365	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	677In Stock	Cut Tape 3,05 € 2,05 € Reel 2,05 € MouseReel Available	Min.: 1 Mult.: 1 : 400	3.6 W	30 V to 72 V	12 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.7 W 750312367 Wurth Elektronik 1: 3,13 € 714In Stock	Mfr. Part No. 750312367 Mouser Part No 710-750312367	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.7 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	714In Stock	Cut Tape 3,13 € 2,94 € 2,65 € Reel 2,37 € 2,05 € MouseReel Available	Min.: 1 Mult.: 1 : 400	1.7 W	22 V to 72 V	3.3 V	SMD/SMT
Power Transformers - Board Mount WE-FB LTC3300 3.46 uH 5 W 750312504 Wurth Elektronik 1: 2,64 € 1 864In Stock	Mfr. Part No. 750312504 Mouser Part No 710-750312504	Wurth Elektronik	Power Transformers - Board Mount WE-FB LTC3300 3.46 uH 5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1 864In Stock	Cut Tape 2,64 € 2,45 € 2,26 € 2,07 € Reel 2,07 € View 1,88 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	5 W	2 V to 5.5 V	20 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.6 W 750313974 Wurth Elektronik 1: 4,52 € 939In Stock 1 000Expected 22/02/2027	Mfr. Part No. 750313974 Mouser Part No 710-750313974	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	939In Stock 1 000Expected 22/02/2027	Cut Tape 4,52 € 4,18 € 3,80 € 3,46 € Reel 3,14 € 2,86 € MouseReel Available	Min.: 1 Mult.: 1 : 250	3.6 W	8 V to 32 V	5 V, 5 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W 750313975 Wurth Elektronik 1: 4,52 € 713In Stock 1 250Expected 18/02/2027	Mfr. Part No. 750313975 Mouser Part No 710-750313975	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	713In Stock 1 250Expected 18/02/2027	Cut Tape 4,52 € 4,18 € 3,80 € 3,46 € Reel 3,14 € 2,86 € MouseReel Available	Min.: 1 Mult.: 1 : 250	3.4 W	8 V to 32 V	24 V, 24 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W 750313976 Wurth Elektronik 1: 4,52 € 784In Stock	Mfr. Part No. 750313976 Mouser Part No 710-750313976	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	784In Stock	Cut Tape 4,52 € 4,18 € 3,46 € Reel 3,14 € 2,86 € MouseReel Available	Min.: 1 Mult.: 1 : 250	3.4 W	8 V to 32 V	48 V, 48 V	SMD/SMT
Power Transformers - Board Mount WE-FB SMD Flyback On REFDesign LTC8304 750315125 Wurth Elektronik 1: 3,42 € 3 757In Stock 3 000Expected 19/11/2026	Mfr. Part No. 750315125 Mouser Part No 710-750315125	Wurth Elektronik	Power Transformers - Board Mount WE-FB SMD Flyback On REFDesign LTC8304 Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	3 757In Stock 3 000Expected 19/11/2026	Cut Tape 3,42 € 3,27 € 3,11 € 2,96 € Reel 2,96 € MouseReel Available	Min.: 1 Mult.: 1 : 200	22.5 W	18 V to 72 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB SMD Flyback On REFDesign LTC8304 750315126 Wurth Elektronik 1: 3,21 € 1 989In Stock 1 600Expected 18/02/2027	Mfr. Part No. 750315126 Mouser Part No 710-750315126	Wurth Elektronik	Power Transformers - Board Mount WE-FB SMD Flyback On REFDesign LTC8304 Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1 989In Stock 1 600Expected 18/02/2027	Cut Tape 3,21 € 2,98 € 2,75 € 2,52 € Reel 2,52 € View 2,30 € 1,89 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	15 W	36 V to 72 V	12 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 15.8 W 750315835 Wurth Elektronik 1: 3,21 € 989In Stock	Mfr. Part No. 750315835 Mouser Part No 710-750315835	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 15.8 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	989In Stock	Cut Tape 3,21 € 3,06 € 2,77 € Reel 2,77 € 2,56 €	Min.: 1 Mult.: 1 : 200	15.8 W	36 V to 75 V	3.3 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8304 750315839 Wurth Elektronik 1: 2,67 € 1 514In Stock	Mfr. Part No. 750315839 Mouser Part No 710-750315839	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8304	Datasheet	1 514In Stock	Cut Tape 2,67 € 2,48 € 2,29 € 2,10 € Reel 1,87 € View 1,93 € 1,66 € 1,63 € 1,62 €	Min.: 1 Mult.: 1 : 200

WE-FB Flyback Transformers

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100 mW
150 mW
300 mW
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800 mW
1 W
1.1 W
1.2 W
1.3 W
1.4 W
1.5 W
1.6 W
1.7 W
1.8 W
1.9 W
2 W
2.1 W
2.3 W
2.5 W

2 V to 5.5 V
2.5 V to 3.5 V
3 V to 24 V
3 V to 6 V
4 V to 8 V
5 V
5 V to 32 V
6 V to 12.6 V
7 V to 26 V
8 V to 15 V
8 V to 24 V
8 V to 28 V
8 V to 32 V
8 V to 40 V
8 V to 70 V
9 V to 15 V
9 V to 16 V
9 V to 18 V
9 V to 30 V
9 V to 36 V

- 200 V, 200 V
- 150 V, 150 V
- 17.5 V, 17.5 V
- 12 V, 12 V, 24 V
- 12 V, 5 V, 12 V
- 10 V, - 5 V, 5 V, 10 V
- 7 V, - 5 V, 5 V, 7 V
- 5 V, - 5 V, 12 V, 12 V
- 5 V, 5 V
- 5 V, 5 V, 15 V
- 5 V, 5 V, 24 V
3.3 V
3.3 V, 24 V
3.3 V, 3.3 V
5 V
5 V, 10 V
5 V, 15 V, 15 V
5 V, 5 V
5 V, 5 V, 14 V, 14 V
5 V, 5 V, 15 V, 15 V

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WE-FB Flyback Transformers

Types of Transformers

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