Transformers – Mouser Estonia

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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 LT3748 8 uH 45 W 750311591 Wurth Elektronik 1: 12,35 € 300Expected 2/18/2027	Mfr. Part No. 750311591 Mouser Part No 710-750311591	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 8 uH 45 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	300Expected 2/18/2027	Cut Tape 12,35 € 11,57 € Reel 10,06 € 9,06 € MouseReel Available	Min.: 1 Mult.: 1 : 100	45 W	20 V to 48 V	15 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W 750311607 Wurth Elektronik 1: 7,95 € 1.000On Order	Mfr. Part No. 750311607 Mouser Part No 710-750311607	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	1.000On Order On Order Ship Dates Mfr. No: 750311607 Stock: 0 On Order: 500 Expected 12/24/2026 500 Expected 1/28/2027 Factory Lead Time: 19 Weeks	Cut Tape 7,95 € 7,34 € 6,73 € Reel 6,11 € 5,04 € 4,43 € MouseReel Available	Min.: 1 Mult.: 1 : 125	30 W	30 V to 75 V	12 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W 750311797 Wurth Elektronik 1: 6,89 € 500Expected 6/10/2027	Mfr. Part No. 750311797 Mouser Part No 710-750311797	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	500Expected 6/10/2027	Cut Tape 6,89 € 6,36 € Reel 5,30 € 4,37 € 3,84 € MouseReel Available	Min.: 1 Mult.: 1 : 125	30 W	18 V to 100 V	12 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.7 W 750312558 Wurth Elektronik 1: 3,34 € 1.470Expected 2/4/2027	Mfr. Part No. 750312558 Mouser Part No 710-750312558	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	1.470Expected 2/4/2027	Cut Tape 3,34 € 3,10 € 2,62 € Reel 2,38 € 1,97 € MouseReel Available	Min.: 1 Mult.: 1 : 300	1.7 W	36 V to 72 V	12 V, 12 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.7 W 750312559 Wurth Elektronik 1: 3,08 € 800Expected 1/26/2027	Mfr. Part No. 750312559 Mouser Part No 710-750312559	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.7 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	800Expected 1/26/2027	Cut Tape 3,08 € 2,86 € 2,43 € 2,16 € Reel 2,16 € 1,84 € MouseReel Available	Min.: 1 Mult.: 1 : 400	1.7 W	36 V to 72 V	24 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W 750315828 Wurth Elektronik 1: 2,12 € 1.200Expected 3/4/2027	Mfr. Part No. 750315828 Mouser Part No 710-750315828	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	1.200Expected 3/4/2027	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	12 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3573 30uH 5 W 750370040 Wurth Elektronik 1: 3,85 € 1.199Expected 2/15/2027	Mfr. Part No. 750370040 Mouser Part No 710-750370040	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 30uH 5 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	1.199Expected 2/15/2027	Cut Tape 3,85 € 3,64 € 3,41 € 3,19 € Reel 2,97 € 2,58 € MouseReel Available	Min.: 1 Mult.: 1 : 300	5 W	18 V to 30 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 14 uH 40 W 750310988 Wurth Elektronik 1: 8,27 € 200Expected 11/30/2026	Mfr. Part No. 750310988 Mouser Part No 710-750310988	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 14 uH 40 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	200Expected 11/30/2026	Cut Tape 8,27 € 7,64 € Reel 6,36 € 5,25 € 4,62 € MouseReel Available	Min.: 1 Mult.: 1 : 100	40 W	12 V	48 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W 750311456 Wurth Elektronik 1: 6,29 € 188Expected 12/1/2026	Mfr. Part No. 750311456 Mouser Part No 710-750311456	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	188Expected 12/1/2026	Cut Tape 6,29 € 5,84 € Reel 4,49 € MouseReel Available	Min.: 1 Mult.: 1 : 200	12 W	36 V	12 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6 W 750313460 Wurth Elektronik 1: 3,56 € 500Expected 12/1/2026	Mfr. Part No. 750313460 Mouser Part No 710-750313460	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	500Expected 12/1/2026	Cut Tape 3,56 € 3,29 € Reel 2,48 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	6 W	4 V to 8 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3511 200 uH 45 W 750311963 Wurth Elektronik 1.000: 4,75 € Non-Stocked Lead-Time 14 Weeks	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	Non-Stocked Lead-Time 14 Weeks	4,75 €	Min.: 1.000 Mult.: 200	45 W	8 V to 70 V	50 V to 150 V	SMD/SMT
Power Transformers - Board Mount WE-FB Flyback 5uH 100mVAC 750032489 Wurth Elektronik 1.000: 4,68 € Non-Stocked Lead-Time 53 Weeks	Mfr. Part No. 750032489 Mouser Part No 710-750032489	Wurth Elektronik	Power Transformers - Board Mount WE-FB Flyback 5uH 100mVAC Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	Non-Stocked Lead-Time 53 Weeks	Cut Tape 4,68 €	Min.: 1.000 Mult.: 200 : 200	9.9 W	15 V	146 V	SMD/SMT
Power Transformers - Board Mount WE-FB Flyback 2.70uH 500VAC 750310084 Wurth Elektronik 1.000: 4,68 € Non-Stocked Lead-Time 53 Weeks	Mfr. Part No. 750310084 Mouser Part No 710-750310084	Wurth Elektronik	Power Transformers - Board Mount WE-FB Flyback 2.70uH 500VAC Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	Non-Stocked Lead-Time 53 Weeks	Cut Tape 4,68 €	Min.: 1.000 Mult.: 200 : 200	9.2 W	10 V	146 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3575 25 uH 4.3 W 750310559 Wurth Elektronik 1: 4,58 € Non-Stocked Lead-Time 19 Weeks	Mfr. Part No. 750310559 Mouser Part No 710-750310559	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 25 uH 4.3 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	Cut Tape 4,58 € 4,25 € 3,92 € 3,59 € Reel 3,27 € 2,69 € MouseReel Available	Min.: 1 Mult.: 1 : 250	4.3 W	12 V to 30 V	3.3 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3575 50 uH 15 W 750311303 Wurth Elektronik 250: 3,91 € Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 750311303 Mouser Part No 710-750311303	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 50 uH 15 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel 3,91 € 3,23 €	Min.: 250 Mult.: 250 : 250	15 W	36 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3575 1.5 uH 15 W 750311304 Wurth Elektronik 1: 5,55 € Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 750311304 Mouser Part No 710-750311304	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 1.5 uH 15 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	Non-Stocked Lead-Time 17 Weeks	Cut Tape 5,55 € 5,15 € Reel 3,96 € MouseReel Available	Min.: 1 Mult.: 1 : 250	15 W	36 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3575 750 uH 12 W 750311305 Wurth Elektronik 250: 4,01 € Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 750311305 Mouser Part No 710-750311305	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 750 uH 12 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel 4,01 € 3,31 €	Min.: 250 Mult.: 250 : 250	12 W	36 V	12 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3575 100 uH 12 W 750311306 Wurth Elektronik 200: 5,81 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. 750311306 Mouser Part No 710-750311306	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 100 uH 12 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel 5,81 € 5,65 € 5,64 €	Min.: 200 Mult.: 200 : 200	12 W	36 V	12 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3574 100 uH 12 W 750311307 Wurth Elektronik 1: 4,18 € Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 750311307 Mouser Part No 710-750311307	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3574 100 uH 12 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	Non-Stocked Lead-Time 17 Weeks	Cut Tape 4,18 € 3,91 € 3,64 € 3,37 € Reel 3,10 € 2,62 € MouseReel Available	Min.: 1 Mult.: 1 : 250	12 W	36 V	24 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3575 50 uH 20 W 750311422 Wurth Elektronik 200: 4,46 € Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 750311422 Mouser Part No 710-750311422	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 50 uH 20 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel 4,46 € 3,69 €	Min.: 200 Mult.: 200 : 200	20 W	36 V	5 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 2 W 750311558 Wurth Elektronik 1.200: 2,45 € Non-Stocked Lead-Time 19 Weeks	Mfr. Part No. 750311558 Mouser Part No 710-750311558	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 2 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	Cut Tape 2,45 € Quote Quote	Min.: 1.200 Mult.: 300 : 300	2 W	35 V to 75 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3512 200 uH 2.5 W 750311573 Wurth Elektronik 1: 6,72 € Non-Stocked Lead-Time 19 Weeks	Mfr. Part No. 750311573 Mouser Part No 710-750311573	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3512 200 uH 2.5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	Cut Tape 6,72 € 6,20 € Reel 6,20 € 4,27 € MouseReel Available	Min.: 1 Mult.: 1 : 300	2.5 W	35 V to 75 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 12 uH 45 W 750311595 Wurth Elektronik 1: 12,35 € Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 750311595 Mouser Part No 710-750311595	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 12 uH 45 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	Non-Stocked Lead-Time 17 Weeks	Cut Tape 12,35 € 11,57 € Reel 11,57 € 9,06 € MouseReel Available	Min.: 1 Mult.: 1 : 100	45 W	30 V to 75 V	15 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 6 uH 30 W 750311597 Wurth Elektronik 125: 8,21 € Non-Stocked Lead-Time 19 Weeks	Mfr. Part No. 750311597 Mouser Part No 710-750311597	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 6 uH 30 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	Reel 8,21 € 7,39 €	Min.: 125 Mult.: 125 : 125	30 W	20 V to 48 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 8.3 uH 30 W 750311598 Wurth Elektronik 125: 8,21 € Non-Stocked Lead-Time 19 Weeks	Mfr. Part No. 750311598 Mouser Part No 710-750311598	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 8.3 uH 30 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	Reel 8,21 € 7,39 €	Min.: 125 Mult.: 125 : 125	30 W	20 V to 48 V	12 V	SMD/SMT

WE-FB Flyback Transformers

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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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