Transformers

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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.

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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-FLEX W/Air Gap 23.3uH 0.33A 749196311 Wurth Elektronik 1: 6,72 € 156In Stock 300Expected 22/01/2027	Mfr. Part No. 749196311 Mouser Part No 710-749196311	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 23.3uH 0.33A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	156In Stock 300Expected 22/01/2027	Cut Tape 6,72 € 5,44 € 4,40 € 4,12 € Reel 3,74 € View 3,94 € 3,20 € MouseReel Available	Min.: 1 Mult.: 1 : 300	500 VA			SMD/SMT
Power Transformers - Board Mount WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms 749196501 Wurth Elektronik 1: 9,60 € 119In Stock	Mfr. Part No. 749196501 Mouser Part No 710-749196501	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	119In Stock	Cut Tape 9,60 € 9,18 € 7,59 € Reel 5,01 € 4,80 € MouseReel Available	Min.: 1 Mult.: 1 : 120
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.9uH 1.17A 749196510 Wurth Elektronik 1: 8,88 € 69In Stock	Mfr. Part No. 749196510 Mouser Part No 710-749196510	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.9uH 1.17A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	69In Stock	Cut Tape 8,88 € 8,82 € 8,81 € 8,53 € Reel 7,51 € 6,86 €	Min.: 1 Mult.: 1 : 120	500 VA			SMD/SMT
Power Transformers - Board Mount WE-FLEX W/Air Gap 12.0uH 1.73A 749196521 Wurth Elektronik 1: 8,88 € 239In Stock	Mfr. Part No. 749196521 Mouser Part No 710-749196521	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 12.0uH 1.73A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	239In Stock	Cut Tape 8,88 € 8,82 € 8,36 € Reel 7,51 € 6,86 €	Min.: 1 Mult.: 1 : 120	500 VA			SMD/SMT
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 5.3uH 2.81A 749196527 Wurth Elektronik 1: 10,63 € 165In Stock	Mfr. Part No. 749196527 Mouser Part No 710-749196527	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 5.3uH 2.81A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	165In Stock	Cut Tape 10,63 € 9,57 € Reel 8,08 € 7,40 € 6,73 € 6,05 € MouseReel Available	Min.: 1 Mult.: 1 : 120				SMD/SMT
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A 749196531 Wurth Elektronik 1: 8,17 € 69In Stock	Mfr. Part No. 749196531 Mouser Part No 710-749196531	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	69In Stock	Cut Tape 8,17 € 7,76 € Reel 7,35 €	Min.: 1 Mult.: 1 : 120	500 VA			SMD/SMT
Power Transformers - Board Mount WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH 750032051 Wurth Elektronik 1: 9,33 € 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 9,33 € 8,75 € 8,36 € Reel 7,60 € 6,58 € 5,59 € MouseReel Available	Min.: 1 Mult.: 1 : 125				SMD/SMT
Audio Transformers / Signal Transformers WE-AMT Trnsfmr 30uH .350Ohm 750082154 Wurth Elektronik 1: 0,679 € 423In Stock 6 000Expected 28/01/2027	Mfr. Part No. 750082154 Mouser Part No 710-750082154	Wurth Elektronik	Audio Transformers / Signal Transformers WE-AMT Trnsfmr 30uH .350Ohm Learn More about Wurth Elektronik wurth electronics signal transformers	Datasheet	423In Stock 6 000Expected 28/01/2027	Cut Tape 0,679 € 0,676 € 0,633 € 0,57 € 0,507 € Reel 0,507 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Power Transformers - Board Mount WE-FB LT3751 5 uH 75 W 750310349 Wurth Elektronik 1: 11,09 € 113In Stock	Mfr. Part No. 750310349 Mouser Part No 710-750310349	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3751 5 uH 75 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	113In Stock	11,09 € 10,39 € 9,93 € 9,03 € View 8,13 € 6,45 €	Min.: 1 Mult.: 1	75 W	24 V	300 V	Through Hole
Power Transformers - Board Mount WE-FB LT3573 63 uH 10 W 750310564 Wurth Elektronik 1: 4,32 € 193In Stock	Mfr. Part No. 750310564 Mouser Part No 710-750310564	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 63 uH 10 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	193In Stock	Cut Tape 4,32 € 4,01 € 3,39 € Reel 3,08 € 2,55 € MouseReel Available	Min.: 1 Mult.: 1 : 250	10 W	12 V to 30 V	- 5 V, 5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 4.5 uH 36 W 750310617 Wurth Elektronik 1: 9,68 € 190In Stock	Mfr. Part No. 750310617 Mouser Part No 710-750310617	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 4.5 uH 36 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	190In Stock	Cut Tape 9,68 € 8,73 € 8,37 € 8,19 € Reel 7,71 € View 7,33 € 7,04 € 6,93 € MouseReel Available	Min.: 1 Mult.: 1 : 120	36 W	9 V to 36 V	12 V	SMD/SMT
Power Transformers - Board Mount WE-POE PD70201 38 uH 25 W 750310744 Wurth Elektronik 1: 5,44 € 187In Stock	Mfr. Part No. 750310744 Mouser Part No 710-750310744	Wurth Elektronik	Power Transformers - Board Mount WE-POE PD70201 38 uH 25 W Learn More about Wurth Elektronik we PoE transformers	Datasheet	187In Stock	Cut Tape 5,44 € 5,06 € 4,27 € Reel 3,89 € 3,38 €	Min.: 1 Mult.: 1 : 200	25 W	37 V to 57 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 15 uH 30 W 750311385 Wurth Elektronik 1: 8,07 € 205In Stock	Mfr. Part No. 750311385 Mouser Part No 710-750311385	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 15 uH 30 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	205In Stock	Cut Tape 8,07 € 7,55 € Reel 6,57 € 5,91 € MouseReel Available	Min.: 1 Mult.: 1 : 125	30 W	18 V to 60 V	13 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W 750311424 Wurth Elektronik 1: 3,35 € 11In Stock 200Expected 28/01/2027	Mfr. Part No. 750311424 Mouser Part No 710-750311424	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	11In Stock 200Expected 28/01/2027	Cut Tape 3,35 € Reel 2,43 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	12 W	36 V	12 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 50 uH 20 W 750311457 Wurth Elektronik 1: 7,03 € 62In Stock	Mfr. Part No. 750311457 Mouser Part No 710-750311457	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	62In Stock	Cut Tape 7,03 € 6,53 € Reel 5,02 € MouseReel Available	Min.: 1 Mult.: 1 : 200	20 W	36 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 15 uH 13.2 W 750311458 Wurth Elektronik 1: 6,82 € 239In Stock	Mfr. Part No. 750311458 Mouser Part No 710-750311458	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 15 uH 13.2 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	239In Stock	Cut Tape 6,82 € 6,33 € Reel 4,87 € MouseReel Available	Min.: 1 Mult.: 1 : 200	13.2 W	36 V	3.3 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW 750311486 Wurth Elektronik 1: 5,04 € 475In Stock	Mfr. Part No. 750311486 Mouser Part No 710-750311486	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	475In Stock	Cut Tape 5,04 € 4,72 € 4,52 € 4,10 € Reel 3,69 € MouseReel Available	Min.: 1 Mult.: 1 : 200	800 mW	12 V	- 200 V, 200 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W 750311590 Wurth Elektronik 1: 11,34 € 125In Stock	Mfr. Part No. 750311590 Mouser Part No 710-750311590	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	125In Stock	Cut Tape 11,34 € 10,62 € Reel 9,24 € 8,32 € MouseReel Available	Min.: 1 Mult.: 1 : 100	45.6 W	20 V to 48 V	12 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 12 uH 45.6 W 750311596 Wurth Elektronik 1: 12,35 € 31In Stock	Mfr. Part No. 750311596 Mouser Part No 710-750311596	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 12 uH 45.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	31In 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	24 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 8 uH 30 W 750311599 Wurth Elektronik 1: 10,08 € 108In Stock 125Expected 03/12/2026	Mfr. Part No. 750311599 Mouser Part No 710-750311599	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 8 uH 30 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	108In Stock 125Expected 03/12/2026	Cut Tape 10,08 € 9,44 € Reel 8,21 € 7,39 € MouseReel Available	Min.: 1 Mult.: 1 : 125	30 W	20 V to 48 V	15 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 8 uH 31.2 W 750311604 Wurth Elektronik 1: 6,85 € 295In Stock	Mfr. Part No. 750311604 Mouser Part No 710-750311604	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 8 uH 31.2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	295In Stock	Cut Tape 6,85 € 6,33 € Reel 5,27 € 4,66 € 4,26 € MouseReel Available	Min.: 1 Mult.: 1 : 125	31.2 W	20 V to 48 V	24 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W 750311608 Wurth Elektronik 1: 6,67 € 129In Stock	Mfr. Part No. 750311608 Mouser Part No 710-750311608	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	129In Stock	Cut Tape 6,67 € 6,20 € Reel 6,20 € 4,77 € MouseReel Available	Min.: 1 Mult.: 1 : 125	31.2 W	30 V to 75 V	24 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W 750311624 Wurth Elektronik 1: 6,71 € 270In Stock	Mfr. Part No. 750311624 Mouser Part No 710-750311624	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	270In Stock	Cut Tape 6,71 € 6,24 € 5,27 € Reel 4,79 € 3,96 € MouseReel Available	Min.: 1 Mult.: 1 : 200	15 W	10 V to 40 V	15 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3575 9 uH 13.2 W 750311625 Wurth Elektronik 1: 7,25 € 294In Stock 400Expected 18/02/2027	Mfr. Part No. 750311625 Mouser Part No 710-750311625	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 9 uH 13.2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	294In Stock 400Expected 18/02/2027	Cut Tape 7,25 € 6,69 € 5,58 € Reel 4,60 € 4,04 € MouseReel Available	Min.: 1 Mult.: 1 : 200	13.2 W	10 V to 40 V	3.3 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW 750311681 Wurth Elektronik 1: 2,97 € 337In Stock 400Expected 17/12/2026	Mfr. Part No. 750311681 Mouser Part No 710-750311681	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	337In Stock 400Expected 17/12/2026	Cut Tape 2,97 € 2,75 € 2,56 € 2,38 € Reel 2,18 € View 1,91 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	800 mW	12 V	- 200 V, 200 V	SMD/SMT