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 MID-FLYLT LT8302 12 uH 7.5 W 750313442 Wurth Elektronik 1: 3,56 € 250In Stock	Mfr. Part No. 750313442 Mouser Part No 710-750313442	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 7.5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	250In Stock	Cut Tape 3,56 € 3,29 € Reel 2,48 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	7.5 W	8 V to 40 V	5 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.6 W 750313457 Wurth Elektronik 1: 3,56 € 5In Stock 2 750Expected 08/04/2027	Mfr. Part No. 750313457 Mouser Part No 710-750313457	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	5In Stock 2 750Expected 08/04/2027	Cut Tape 3,56 € 3,29 € 2,99 € 2,72 € Reel 2,48 € 2,24 € MouseReel Available	Min.: 1 Mult.: 1 : 250	8.6 W	8 V to 32 V	48 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W 750313970 Wurth Elektronik 1: 4,52 € 490In Stock	Mfr. Part No. 750313970 Mouser Part No 710-750313970	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	490In Stock	Cut Tape 4,52 € 4,18 € 3,46 € Reel 3,14 € 2,86 € MouseReel Available	Min.: 1 Mult.: 1 : 250	3.3 W	18 V to 42 V	3.3 V, 3.3 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 2.8 W 750313972 Wurth Elektronik 1: 5,04 € 309In Stock 6 750On Order	Mfr. Part No. 750313972 Mouser Part No 710-750313972	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 2.8 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	309In Stock 6 750On Order On Order Ship Dates Mfr. No: 750313972 Stock: 309 Can Dispatch Immediately On Order: 1 750 Expected 10/12/2026 2 250 Expected 28/01/2027 2 750 Expected 08/04/2027 Factory Lead Time: 17 Weeks	Cut Tape 5,04 € 4,66 € 4,24 € 3,85 € Reel 3,50 € 3,18 € MouseReel Available	Min.: 1 Mult.: 1 : 250	2.8 W	18 V to 42 V	5 V, 5 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W 750313973 Wurth Elektronik 1: 4,52 € 138In Stock 2 250On Order	Mfr. Part No. 750313973 Mouser Part No 710-750313973	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	138In Stock 2 250On Order On Order Ship Dates Mfr. No: 750313973 Stock: 138 Can Dispatch Immediately On Order: 1 000 Expected 19/11/2026 1 250 Expected 18/02/2027 Factory Lead Time: 17 Weeks	Cut Tape 4,52 € 4,18 € 3,80 € 3,46 € Reel 3,14 € 2,86 € MouseReel Available	Min.: 1 Mult.: 1 : 250	3.3 W	8 V to 32 V	3.3 V, 3.3 V	SMD/SMT
Power Transformers - Board Mount MID-IBTI LM5017MR 50 uH 1.5 W 750313995 Wurth Elektronik 1: 5,15 € 28In Stock	Mfr. Part No. 750313995 Mouser Part No 710-750313995	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI LM5017MR 50 uH 1.5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	28In Stock	Cut Tape 5,15 € 5,08 € Reel 5,08 € 3,81 € MouseReel Available	Min.: 1 Mult.: 1 : 200	1.5 W	15 V to 40 V	5 V, 5 V, 15 V, 15 V	SMD/SMT
Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL 750314226 Wurth Elektronik 1: 5,21 € 52In Stock 250Expected 26/11/2026	Mfr. Part No. 750314226 Mouser Part No 710-750314226	Wurth Elektronik	Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	52In Stock 250Expected 26/11/2026	Cut Tape 5,21 € 4,83 € 4,46 € 4,09 € Reel 4,09 € View 3,72 € 3,07 € MouseReel Available	Min.: 1 Mult.: 1 : 250	4.5 W	15 V to 40 V	15 V, 15 V	SMD/SMT
Power Transformers - Board Mount MID-IBTI LM5160 60 uH 3.9 W 750314597 Wurth Elektronik 1: 3,27 € 392In Stock 400Expected 10/11/2026	Mfr. Part No. 750314597 Mouser Part No 710-750314597	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI LM5160 60 uH 3.9 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	392In Stock 400Expected 10/11/2026	Cut Tape 3,27 € 3,03 € 2,50 € Reel 2,27 € 2,06 € MouseReel Available	Min.: 1 Mult.: 1 : 400	3.9 W	10 V to 40 V	15.5 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.3 W 750315825 Wurth Elektronik 1: 2,38 € 20In Stock 400Expected 04/02/2027	Mfr. Part No. 750315825 Mouser Part No 710-750315825	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.3 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	20In Stock 400Expected 04/02/2027	Cut Tape 2,38 € 2,26 € Reel 1,75 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	3.3 W	36 V to 72 V	3.3 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W 750315827 Wurth Elektronik 1: 2,12 € 381In Stock	Mfr. Part No. 750315827 Mouser Part No 710-750315827	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	381In Stock	Cut Tape 2,12 € 2,00 € Reel 1,55 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	2.9 W	36 V to 72 V	5 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W 750315829 Wurth Elektronik 1: 2,12 € 329In Stock 2 800On Order	Mfr. Part No. 750315829 Mouser Part No 710-750315829	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	329In Stock 2 800On Order On Order Ship Dates Mfr. No: 750315829 Stock: 329 Can Dispatch Immediately On Order: 1 200 Expected 19/11/2026 1 600 Expected 04/03/2027 Factory Lead Time: 19 Weeks	Cut Tape 2,12 € 2,00 € 1,69 € Reel 1,55 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	3.1 W	36 V to 72 V	24 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W 750315834 Wurth Elektronik 1: 2,12 € 35In Stock	Mfr. Part No. 750315834 Mouser Part No 710-750315834	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	35In Stock	Cut Tape 2,12 € 2,00 € Reel 1,55 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	3.5 W	36 V to 72 V	5 V, 5 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W 750315836 Wurth Elektronik 1: 2,58 € 659In Stock 800Expected 10/11/2026	Mfr. Part No. 750315836 Mouser Part No 710-750315836	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	659In Stock 800Expected 10/11/2026	Cut Tape 2,58 € 2,46 € 2,35 € 2,23 € Reel 2,23 € 2,00 € MouseReel Available	Min.: 1 Mult.: 1 : 200	14.4 W	36 V to 75 V	24 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W 750315837 Wurth Elektronik 1: 2,79 € 164In Stock 200Expected 28/01/2027	Mfr. Part No. 750315837 Mouser Part No 710-750315837	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	164In Stock 200Expected 28/01/2027	Cut Tape 2,79 € 2,65 € 2,53 € 2,40 € Reel 2,40 € 2,15 €	Min.: 1 Mult.: 1 : 200	14.4 W	36 V to 75 V	48 V	SMD/SMT
Power Transformers - Board Mount MID-FLYADI ADP1031 150 uH 1.1 W 750316566 Wurth Elektronik 1: 8,94 € 200In Stock	Mfr. Part No. 750316566 Mouser Part No 710-750316566	Wurth Elektronik	Power Transformers - Board Mount MID-FLYADI ADP1031 150 uH 1.1 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	200In Stock	Cut Tape 8,94 € 8,26 € 7,57 € 6,88 € Reel 5,68 € 4,99 € MouseReel Available	Min.: 1 Mult.: 1 : 675	1.1 W	18 V to 32 V	24 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3573 25 uH 6 W 750370058 Wurth Elektronik 1: 2,86 € 2In Stock 400Expected 19/11/2026	Mfr. Part No. 750370058 Mouser Part No 710-750370058	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 25 uH 6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	2In Stock 400Expected 19/11/2026	Cut Tape 2,86 € Reel 2,03 € 1,68 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	6 W	10 V to 30 V	15 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 1.5 mH 9 W 750811048 Wurth Elektronik 1: 4,42 € 48In Stock	Mfr. Part No. 750811048 Mouser Part No 710-750811048	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 1.5 mH 9 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	48In Stock	4,42 € 4,13 € 3,84 € 3,54 € View 3,25 € 2,74 €	Min.: 1 Mult.: 1	9 W	85 V to 265 V	30 V	Through Hole
Power Transformers - Board Mount WE-FB Flyback 5uH 500VAC 750311268 Wurth Elektronik 1: 6,21 € 17In Stock	Mfr. Part No. 750311268 Mouser Part No 710-750311268	Wurth Elektronik	Power Transformers - Board Mount WE-FB Flyback 5uH 500VAC Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	17In Stock	Cut Tape 6,21 € 5,73 € Reel 5,73 € 3,94 € MouseReel Available	Min.: 1 Mult.: 1 : 300	5 W	9 V to 16 V	100 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT3512 175 uH 2 W 750311559 Wurth Elektronik 1: 3,94 € 229In Stock	Mfr. Part No. 750311559 Mouser Part No 710-750311559	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT3512 175 uH 2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	229In Stock	Cut Tape 3,94 € 3,66 € Reel 2,81 € MouseReel Available	Min.: 1 Mult.: 1 : 300	2 W	35 V to 75 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3512 151 uH 6.24 W 750311662 Wurth Elektronik 1: 7,10 € 237In Stock	Mfr. Part No. 750311662 Mouser Part No 710-750311662	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3512 151 uH 6.24 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	237In Stock	Cut Tape 7,10 € 6,55 € 6,01 € 5,46 € Reel 5,46 € View 4,51 € 3,96 € MouseReel Available	Min.: 1 Mult.: 1 : 300	6.24 W	36 V to 72 V	48 V	SMD/SMT
Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W 750314462 Wurth Elektronik 1: 4,10 € 8In Stock	Mfr. Part No. 750314462 Mouser Part No 710-750314462	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	8In Stock	Cut Tape 4,10 € 3,79 € Reel 2,86 € MouseReel Available	Min.: 1 Mult.: 1 : 500	1.5 W	16 V to 36 V	- 12 V, 5 V, 12 V	SMD/SMT
Power Transformers - Board Mount WE-FB SMD Flyback On REFDsgn LM3481 TI 750316152 Wurth Elektronik 1: 13,72 € 41In Stock	Mfr. Part No. 750316152 Mouser Part No 710-750316152	Wurth Elektronik	Power Transformers - Board Mount WE-FB SMD Flyback On REFDsgn LM3481 TI Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	41In Stock	Cut Tape 13,72 € 12,66 € Reel 12,66 € 8,70 € MouseReel Available	Min.: 1 Mult.: 1 : 100	36 W	5 V to 32 V	12 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 9.07 uH 15 W 750311564 Wurth Elektronik 1: 3,64 € 9 095On Order	Mfr. Part No. 750311564 Mouser Part No 710-750311564	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 9.07 uH 15 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	9 095On Order On Order Ship Dates Mfr. No: 750311564 Stock: 0 On Order: 3 495 Expected 19/11/2026 2 200 Expected 13/05/2027 3 400 Expected 27/05/2027 Factory Lead Time: 17 Weeks	Cut Tape 3,64 € 3,42 € 3,21 € 3,12 € Reel 3,12 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	15 W	10 V to 40 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3751 2.5 uH 127.5 W 750310355 Wurth Elektronik 1: 11,09 € 375Expected 11/03/2027	Mfr. Part No. 750310355 Mouser Part No 710-750310355	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3751 2.5 uH 127.5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	375Expected 11/03/2027	11,09 € 10,39 € 9,03 € 8,13 € 6,45 €	Min.: 1 Mult.: 1	127.5 W	24 V	75 V	Through Hole
Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W 750310563 Wurth Elektronik 1: 6,54 € 800Expected 04/02/2027	Mfr. Part No. 750310563 Mouser Part No 710-750310563	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	800Expected 04/02/2027	Cut Tape 6,54 € 5,99 € 5,74 € 5,57 € Reel 5,22 € View 5,33 € 4,96 € 4,76 €	Min.: 1 Mult.: 1 : 200	9.6 W	18 V to 30 V	12 V	SMD/SMT

WE-FB Flyback Transformers

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1.5 W
1.6 W
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2 V to 5.5 V
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WE-FB Flyback Transformers

Types of Transformers

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