Power Transformers - Board Mount

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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.	Product	Primary Voltage Rating	Secondary Voltage Rating	Power Rating	Secondary Current Rating	Mounting Style	Primary Winding	Secondary Winding	Length	Width	Height	Series
Power Transformers - Board Mount WE-FB LT3575 7 uH 15 W 750311567 Wurth Elektronik 1: 8,32 € 420In Stock	Mfr. Part No. 750311567 Mouser Part No 710-750311567	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 7 uH 15 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	420In Stock	Cut Tape 8,32 € 7,52 € 7,22 € 6,99 € Reel 6,10 € View 6,77 € 4,99 € MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	10 V to 40 V	5 V	15 W	3 A	SMD/SMT	Single Primary Winding	Dual Secondary Winding	13.34 mm	15.24 mm	11.43 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W 750311592 Wurth Elektronik 1: 12,35 € 445In Stock	Mfr. Part No. 750311592 Mouser Part No 710-750311592	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	445In Stock	Cut Tape 12,35 € 11,57 € Reel 10,06 € 9,06 € MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	20 V to 48 V	24 V	45.6 W	1.9 A	SMD/SMT	Dual Primary Winding	Triple Secondary Winding	27.03 mm	32.31 mm	13.69 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W 750311660 Wurth Elektronik 1: 3,75 € 858In Stock	Mfr. Part No. 750311660 Mouser Part No 710-750311660	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	858In Stock	Cut Tape 3,75 € 3,48 € Reel 2,68 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	36 V to 72 V	15 V	2.1 W	140 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	9.78 mm	9.14 mm	10.54 mm	MID-FLYLT
Power Transformers - Board Mount WE-FB LT3573 30 uH 5 W 750370047 Wurth Elektronik 1: 3,37 € 1 420In Stock	Mfr. Part No. 750370047 Mouser Part No 710-750370047	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 30 uH 5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1 420In Stock	Cut Tape 3,37 € Reel 3,37 € MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	10 V to 30 V	5 V	5 W	1 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	13.35 mm	10.8 mm	9.14 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W 750311659 Wurth Elektronik 1: 2,53 € 1 396In Stock	Mfr. Part No. 750311659 Mouser Part No 710-750311659	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1 396In Stock	Cut Tape 2,53 € 2,19 € 2,13 € 2,06 € Reel 1,96 € View 1,89 € 1,76 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	36 V to 72 V	24 V	1.9 W	80 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	9.78 mm	9.14 mm	10.54 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT3798 14 uH 112 W 750312872 Wurth Elektronik 1: 24,51 € 919In Stock	Mfr. Part No. 750312872 Mouser Part No 710-750312872	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT3798 14 uH 112 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	919In Stock	24,51 € 22,63 € 15,56 €	Min.: 1 Mult.: 1	Flyback Transformers	20 V to 60 V	28 V	112 W	4 A	Through Hole	Dual Primary Winding	Dual Secondary Winding	39.6 mm	43.18 mm	30.48 mm	MID-FLYLT
Power Transformers - Board Mount WE-FB LT3573 50 uH 5 W 750370041 Wurth Elektronik 1: 4,02 € 1 037In Stock	Mfr. Part No. 750370041 Mouser Part No 710-750370041	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 50 uH 5 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	1 037In Stock	Cut Tape 4,02 € 3,69 € 3,66 € Reel 3,66 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	18 V to 30 V	5 V	5 W	1 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	9.78 mm	9.14 mm	10.54 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6.6 W 750313439 Wurth Elektronik 1: 3,56 € 941In Stock	Mfr. Part No. 750313439 Mouser Part No 710-750313439	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	941In Stock	Cut Tape 3,56 € 3,29 € Reel 2,48 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 40 V	3.3 V	6.6 W	2 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	13.34 mm	15.24 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount MID-IBTI LM5017 26 uH 1.6 W 750312924 Wurth Elektronik 1: 2,92 € 1 761In Stock	Mfr. Part No. 750312924 Mouser Part No 710-750312924	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI LM5017 26 uH 1.6 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	1 761In Stock	Cut Tape 2,92 € 2,78 € 2,15 € Reel 2,15 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 925	Flyback Transformers	36 V to 75 V	5 V, 10 V	1.6 W	80 mA, 120 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	8.35 mm	9.5 mm	6.35 mm	MID-IBTI
Power Transformers - Board Mount MID-IBTI LM5160 36.5 uH 13.8 W 750315038 Wurth Elektronik 1: 9,25 € 250In Stock 728Expected 10/11/2026	Mfr. Part No. 750315038 Mouser Part No 710-750315038	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI LM5160 36.5 uH 13.8 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	250In Stock 728Expected 10/11/2026	9,25 € 8,56 € 7,78 € 7,07 € View 6,43 € 5,85 €	Min.: 1 Mult.: 1	Power	7 V to 26 V	23 V, 23 V, 23 V, 23 V	13.8 W	100 mA, 100 mA, 100 mA, 300 mA	Through Hole	Single Primary Winding	Quad Secondary Winding	23.36 mm	23.88 mm	24.14 mm	MID-IBTI
Power Transformers - Board Mount WE-FB LT3750 10 uH 36 W 750032050 Wurth Elektronik 1: 10,13 € 293In 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	293In 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	Flyback Transformers	3 V to 24 V	300 V	36 W	120 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	18.01 mm	23.11 mm	9.4 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W 750315830 Wurth Elektronik 1: 2,12 € 1 792In Stock	Mfr. Part No. 750315830 Mouser Part No 710-750315830	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	1 792In Stock	Cut Tape 2,12 € 2,00 € 1,69 € Reel 1,55 € Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	36 V to 72 V	48 V	2.9 W	60 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	10.16 mm	13.36 mm	8.64 mm	MID-FLYLT
Power Transformers - Board Mount WE-FB LT3573 25 uH 10 W 750310471 Wurth Elektronik 1: 6,30 € 307In Stock	Mfr. Part No. 750310471 Mouser Part No 710-750310471	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 25 uH 10 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	307In Stock	Cut Tape 6,30 € 5,90 € 5,64 € 5,13 € Reel 4,62 € MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	9 V to 30 V	5 V	10 W	2 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	13.34 mm	15.24 mm	11.43 mm	WE-FB
Power Transformers - Board Mount MID-FLYADI ADP1031 280 uH 700 mW 750316743 Wurth Elektronik 1: 8,11 € 1 050In Stock	Mfr. Part No. 750316743 Mouser Part No 710-750316743	Wurth Elektronik	Power Transformers - Board Mount MID-FLYADI ADP1031 280 uH 700 mW Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	1 050In Stock	Cut Tape 8,11 € 7,48 € Reel 5,14 € MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	18 V to 32 V	24 V	700 mW	30 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	8.26 mm	8.6 mm	9.65 mm	MID-FLYADI
Power Transformers - Board Mount MID-FLYMAX MAX17690 16 uH 2.5 W 750317233 Wurth Elektronik 1: 6,53 € 1 269In Stock	Mfr. Part No. 750317233 Mouser Part No 710-750317233	Wurth Elektronik	Power Transformers - Board Mount MID-FLYMAX MAX17690 16 uH 2.5 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	1 269In Stock	Cut Tape 6,53 € 6,03 € Reel 6,03 € 4,15 € MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	8 V to 28 V	5 V	2.5 W	500 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	9.78 mm	9.5 mm	10.54 mm	MID-FLYMAX
Power Transformers - Board Mount MID-FLYMAX MAX17690 84 uH 3 W 750317236 Wurth Elektronik 1: 6,42 € 1 147In Stock	Mfr. Part No. 750317236 Mouser Part No 710-750317236	Wurth Elektronik	Power Transformers - Board Mount MID-FLYMAX MAX17690 84 uH 3 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	1 147In Stock	Cut Tape 6,42 € 5,92 € Reel 5,92 € 4,07 € MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	18 V to 60 V	12 V	3 W	250 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	9.78 mm	9.5 mm	10.54 mm	MID-FLYMAX
Power Transformers - Board Mount WE-FB LT3748 6 uH 45 W 750311589 Wurth Elektronik 1: 11,34 € 139In Stock	Mfr. Part No. 750311589 Mouser Part No 710-750311589	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 6 uH 45 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	139In Stock	Cut Tape 11,34 € 10,62 € 10,17 € Reel 9,24 € 8,32 € MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	20 V to 48 V	5 V	45 W	9 A	SMD/SMT	Dual Primary Winding	Triple Secondary Winding	27.03 mm	32.31 mm	13.69 mm	WE-FB
Power Transformers - Board Mount MID-IBTI LM20242 66 uH 15.2 W 750342156 Wurth Elektronik 1: 4,36 € 179In Stock	Mfr. Part No. 750342156 Mouser Part No 710-750342156	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI LM20242 66 uH 15.2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	179In Stock	Cut Tape 4,36 € 4,03 € 3,67 € 3,34 € Reel 3,04 € 2,75 € MouseReel Available	Min.: 1 Mult.: 1 : 250	Power	15 V to 40 V	12.7 V, 12.7 V	15.2 W	600 mA, 600 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	13.34 mm	15.24 mm	11.43 mm	MID-IBTI
Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W 750311600 Wurth Elektronik 1: 10,08 € 114In Stock	Mfr. Part No. 750311600 Mouser Part No 710-750311600	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	114In Stock	Cut Tape 10,08 € 9,44 € Reel 9,44 € 7,39 € MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	30 V to 75 V	15 V	30 W	2 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	23.11 mm	29.08 mm	11.43 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT 9-36V 50-200kHz 750315832 Wurth Elektronik 1: 2,12 € 329In Stock	Mfr. Part No. 750315832 Mouser Part No 710-750315832	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT 9-36V 50-200kHz Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	329In Stock	Cut Tape 2,12 € 2,00 € 1,69 € Reel 1,60 € MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	9 V to 36 V	100 V	1.5 W	15 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	10.16 mm	13.36 mm	8.64 mm	MID-FLYLT
Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W 750311593 Wurth Elektronik 1: 12,35 € 130In Stock	Mfr. Part No. 750311593 Mouser Part No 710-750311593	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	130In Stock	Cut Tape 12,35 € 11,57 € Reel 11,57 € 9,06 € MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	30 V to 75 V	5 V	45 W	9 A	SMD/SMT	Dual Primary Winding	Triple Secondary Winding	27.03 mm	32.31 mm	13.69 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 15 uH 30 W 750311605 Wurth Elektronik 1: 10,08 € 125In Stock	Mfr. Part No. 750311605 Mouser Part No 710-750311605	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	125In Stock	Cut Tape 10,08 € 9,44 € Reel 8,21 € 7,39 € MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	30 V to 75 V	5 V	30 W	6 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	23.11 mm	29.08 mm	11.43 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W 750311856 Wurth Elektronik 1: 4,33 € 67In Stock 200Expected 03/12/2026	Mfr. Part No. 750311856 Mouser Part No 710-750311856	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	67In Stock 200Expected 03/12/2026	Cut Tape 4,33 € 4,02 € 3,72 € 3,41 € Reel 3,10 € 2,55 € MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	16 V to 24 V	15 V, 15 V, 15 V, 15 V	9 W	150 mA, 150 mA, 150 mA, 150 mA	SMD/SMT	Dual Primary Winding	Quad Secondary Winding	13.97 mm	17.17 mm	12.7 mm	WE-FB
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	Flyback Transformers	36 V to 72 V	5 V	3.6 W	720 mA	SMD/SMT	Dual Primary Winding	Single Secondary Winding	10.16 mm	13.36 mm	8.64 mm	MID-FLYLT
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	Flyback Transformers	8 V to 70 V	50 V to 150 V	45 W	30 mA, 30 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	13.46 mm	17.75 mm	12.7 mm	WE-FB