Power Transformers - Board Mount

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DC/DC Converter Transformers

Würth Elektronik DC/DC Converter Transformers include the MID-PPTI, MID-PPMAX, MID-IBTI, MID-IBTEL, MID-IBMAX, MID-PLN, MID-HB, WE-FB, MID-FLYMAX, MID-FLYLT, and MID-FLYADI series. These transformers feature a wide range of options from output voltages, with or without AUX, THT, or SMT, and single or multiple outputs. Würth Elektronik DC/DC Converter Transformers are suitable for isolated DC/DC SMPS, industrial controls, building automation, and telecom converter applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) 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 MID-FLYLT LT8303 150 uH 3.5 W 750315834 Wurth Elektronik 1: 15,82 kr. 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 15,82 kr. 14,92 kr. Reel 11,56 kr. Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	36 V to 72 V	5 V, 5 V	3.5 W	350 mA, 350 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	10.16 mm	13.36 mm	8.64 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W 750315836 Wurth Elektronik 1: 19,25 kr. 479In Stock 1.000Expected 12/11/2026	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	479In Stock 1.000Expected 12/11/2026	Cut Tape 19,25 kr. 18,35 kr. 17,53 kr. 16,64 kr. Reel 16,64 kr. 14,92 kr. MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	36 V to 75 V	24 V	14.4 W	600 mA	SMD/SMT	Dual Primary Winding	Single Secondary Winding	13.46 mm	17.75 mm	12.7 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W 750315837 Wurth Elektronik 1: 20,81 kr. 164In Stock 200Expected 24/12/2026	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 24/12/2026	Cut Tape 20,81 kr. 19,77 kr. 18,87 kr. 17,90 kr. Reel 17,90 kr. 16,04 kr.	Min.: 1 Mult.: 1 : 200	Flyback Transformers	36 V to 75 V	48 V	14.4 W	300 mA	SMD/SMT	Dual Primary Winding	Single Secondary Winding	13.46 mm	17.75 mm	12.7 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYADI ADP1031 150 uH 1.1 W 750316566 Wurth Elektronik 1: 66,69 kr. 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 66,69 kr. 61,62 kr. 56,47 kr. 51,32 kr. Reel 42,37 kr. 37,23 kr. MouseReel Available	Min.: 1 Mult.: 1 : 675	Flyback Transformers	18 V to 32 V	24 V	1.1 W	45 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	7 mm	6.91 mm	7.8 mm	MID-FLYADI
Power Transformers - Board Mount WE-FB LT3573 25 uH 6 W 750370058 Wurth Elektronik 1: 21,34 kr. 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 21,34 kr. Reel 15,14 kr. 12,53 kr. Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	10 V to 30 V	15 V	6 W	400 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	10.8 mm	13.35 mm	9.14 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 1.5 mH 9 W 750811048 Wurth Elektronik 1: 32,97 kr. 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	32,97 kr. 30,81 kr. 28,65 kr. 26,41 kr. View 24,25 kr. 20,44 kr.	Min.: 1 Mult.: 1	Flyback Transformers	85 V to 265 V	30 V	9 W	300 mA	Through Hole	Dual Primary Winding	Single Secondary Winding	20.32 mm	24.38 mm	16 mm	WE-FB
Power Transformers - Board Mount WE-FB Flyback 5uH 500VAC 750311268 Wurth Elektronik 1: 46,33 kr. 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 46,33 kr. 42,75 kr. Reel 42,75 kr. 29,39 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	9 V to 16 V	100 V	5 W	50 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	9.78 mm	9.14 mm	10.54 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT LT3512 175 uH 2 W 750311559 Wurth Elektronik 1: 29,39 kr. 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 29,39 kr. 27,30 kr. Reel 20,96 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	35 V to 75 V	5 V	2 W	400 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 LT3512 151 uH 6.24 W 750311662 Wurth Elektronik 1: 52,97 kr. 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 52,97 kr. 48,86 kr. 44,83 kr. 40,73 kr. Reel 40,73 kr. View 33,64 kr. 29,54 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	36 V to 72 V	48 V	6.24 W	130 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	9.78 mm	9.14 mm	10.54 mm	WE-FB
Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W 750314462 Wurth Elektronik 1: 30,59 kr. 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 30,59 kr. 28,27 kr. Reel 21,34 kr. MouseReel Available	Min.: 1 Mult.: 1 : 500	Flyback Transformers	16 V to 36 V	- 12 V, 5 V, 12 V	1.5 W	40 mA, 40 mA, 100 mA	SMD/SMT	Single Primary Winding	Triple Secondary Winding	12.95 mm	12.7 mm	5.98 mm	MID-IBTI
Power Transformers - Board Mount WE-FB SMD Flyback On REFDsgn LM3481 TI 750316152 Wurth Elektronik 1: 102,35 kr. 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 102,35 kr. 94,44 kr. Reel 94,44 kr. 64,90 kr. MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	5 V to 32 V	12 V	36 W	3 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	27.03 mm	32.45 mm	13.97 mm	WE-FB
Power Transformers - Board Mount WE-PPTI SN6501 340 uH 3.3 V SMD/SMT 125C 750313626 Wurth Elektronik 1: 26,11 kr. 12.000On Order	Mfr. Part No. 750313626 Mouser Part No 710-750313626	Wurth Elektronik	Power Transformers - Board Mount WE-PPTI SN6501 340 uH 3.3 V SMD/SMT 125C Learn More about Wurth Elektronik wurth we pp transformers	Datasheet	12.000On Order On Order Ship Dates Mfr. No: 750313626 Stock: 0 On Order: 1.000 Expected 19/11/2026 3.000 Expected 08/04/2027 8.000 Expected 27/05/2027 Factory Lead Time: 18 Weeks	Cut Tape 26,11 kr. 24,47 kr. 22,60 kr. 20,37 kr. Reel 18,50 kr. View 15,37 kr. Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	Power	3.3 V	5 V	1.8 W	350 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	9.14 mm	12.7 mm	7.62 mm	WE-PPTI
Power Transformers - Board Mount WE-FB LT3751 2.5 uH 127.5 W 750310355 Wurth Elektronik 1: 82,73 kr. 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	82,73 kr. 77,51 kr. 67,36 kr. 60,65 kr. 48,12 kr.	Min.: 1 Mult.: 1	Flyback Transformers	24 V	75 V	127.5 W	1.7 A	Through Hole	Single Primary Winding	Dual Secondary Winding	36.5 mm	42 mm	23 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W 750310563 Wurth Elektronik 1: 47,00 kr. 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 47,00 kr. 43,49 kr. 41,70 kr. 40,43 kr. Reel 37,90 kr. View 38,27 kr. 36,03 kr. 34,61 kr. 34,47 kr.	Min.: 1 Mult.: 1 : 200	Flyback Transformers	18 V to 30 V	12 V	9.6 W	800 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	13.34 mm	15.24 mm	11.43 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3573 25 uH 5.6 W 750310799 Wurth Elektronik 1: 21,93 kr. 2.398Expected 26/11/2026	Mfr. Part No. 750310799 Mouser Part No 710-750310799	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 25 uH 5.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	2.398Expected 26/11/2026	Cut Tape 21,93 kr. Reel 21,93 kr. 21,11 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	18 V to 30 V	15 V	5.6 W	400 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	9.14 mm	9.78 mm	10.54 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 37 uH 25.2 W 750311439 Wurth Elektronik 1: 29,54 kr. 798Expected 30/10/2026	Mfr. Part No. 750311439 Mouser Part No 710-750311439	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 37 uH 25.2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	798Expected 30/10/2026	Cut Tape 29,54 kr. 27,90 kr. 26,26 kr. 24,62 kr. Reel 22,98 kr. 20,22 kr. MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	37 V to 57 V	12 V	25.2 W	2.1 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	13.46 mm	17.75 mm	12.7 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W 750311607 Wurth Elektronik 1: 59,31 kr. 975On 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	975On Order On Order Ship Dates Mfr. No: 750311607 Stock: 0 On Order: 475 Expected 24/12/2026 500 Expected 28/01/2027 Factory Lead Time: 19 Weeks	Cut Tape 59,31 kr. 54,76 kr. 50,21 kr. Reel 45,58 kr. 37,60 kr. 33,05 kr. MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	30 V to 75 V	12 V	30 W	2.5 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 14 uH 30 W 750311797 Wurth Elektronik 1: 51,40 kr. 377On Order	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	377On Order On Order Ship Dates Mfr. No: 750311797 Stock: 0 On Order: 127 Expected 26/11/2026 250 Expected 17/12/2026 Factory Lead Time: 19 Weeks	Cut Tape 51,40 kr. 47,45 kr. Reel 39,54 kr. 32,60 kr. 28,65 kr. MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	18 V to 100 V	12 V	30 W	2.5 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 LT8300 300 uH 1.7 W 750312558 Wurth Elektronik 1: 24,92 kr. 1.470Expected 07/01/2027	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 07/01/2027	Cut Tape 24,92 kr. 23,13 kr. 19,55 kr. Reel 17,75 kr. 14,70 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	36 V to 72 V	12 V, 12 V	1.7 W	70 mA, 70 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	9.78 mm	9.14 mm	10.54 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 9 W 750313443 Wurth Elektronik 1: 26,56 kr. 6.250On Order	Mfr. Part No. 750313443 Mouser Part No 710-750313443	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 9 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	6.250On Order On Order Ship Dates Mfr. No: 750313443 Stock: 0 On Order: 1.750 Expected 18/02/2027 4.500 Expected 22/04/2027 Factory Lead Time: 19 Weeks	Cut Tape 26,56 kr. 24,54 kr. 22,31 kr. 20,29 kr. Reel 18,50 kr. 16,71 kr. MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 32 V	12 V, 12 V	9 W	375 mA, 375 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	13.34 mm	15.24 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W 750315828 Wurth Elektronik 1: 15,82 kr. 1.200Expected 04/03/2027	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 04/03/2027	Cut Tape 15,82 kr. 14,92 kr. 12,61 kr. Reel 11,56 kr. Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	36 V to 72 V	12 V	3.1 W	260 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 LT3573 30uH 5 W 750370040 Wurth Elektronik 1: 28,72 kr. 1.499On Order	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	1.499On Order On Order Ship Dates Mfr. No: 750370040 Stock: 0 On Order: 299 Expected 19/11/2026 1.200 Expected 15/02/2027 Factory Lead Time: 14 Weeks	Cut Tape 28,72 kr. 27,15 kr. 25,44 kr. 23,80 kr. Reel 22,16 kr. 19,25 kr. 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 WE-FB LT3748 4.5 uH 36 W 750310617 Wurth Elektronik 1: 69,23 kr. 190Expected 30/10/2026	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	190Expected 30/10/2026	Cut Tape 69,23 kr. 62,51 kr. 59,90 kr. 59,08 kr. Reel 57,96 kr. View 55,65 kr. 54,76 kr. MouseReel Available	Min.: 1 Mult.: 1 : 120	Flyback Transformers	9 V to 36 V	12 V	36 W	3 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 14 uH 40 W 750310988 Wurth Elektronik 1: 61,69 kr. 200Expected 26/11/2026	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 26/11/2026	Cut Tape 61,69 kr. 56,99 kr. Reel 47,45 kr. 39,17 kr. 34,47 kr. MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	12 V	48 V	40 W	850 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	32.31 mm	27.03 mm	13.69 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W 750311456 Wurth Elektronik 1: 46,92 kr. 198Expected 03/12/2026	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	198Expected 03/12/2026	Cut Tape 46,92 kr. 43,57 kr. Reel 33,50 kr. MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	36 V	12 V	12 W	1 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	13.46 mm	17.75 mm	12.7 mm	WE-FB