Power Transformers - Board Mount – Mouser United Kingdom

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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 (GBP) 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 SMD Flyback On REFDsgn LM3481 TI 750316152 Wurth Elektronik 1: £11.98 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 £11.98 £11.05 Reel £11.05 £7.60 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 MID-FLYADI ADP1031 150 uH 1.1 W 750316566 Wurth Elektronik 1: £7.80 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 £7.80 £7.21 £6.61 £6.01 Reel £4.96 £4.36 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 MID-FLYMAX MAX17690 84 uH 2.5 W 750317234 Wurth Elektronik 1: £5.67 126In Stock	Mfr. Part No. 750317234 Mouser Part No 710-750317234	Wurth Elektronik	Power Transformers - Board Mount MID-FLYMAX MAX17690 84 uH 2.5 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	126In Stock	Cut Tape £5.67 £5.23 Reel £5.23 £3.60 MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	18 V to 60 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 WE-FB LT3573 25 uH 6 W 750370058 Wurth Elektronik 1: £2.50 400In Stock	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	400In Stock	Cut Tape £2.50 Reel £1.77 £1.47 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: £3.86 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	£3.86 £3.61 £3.35 £3.09 View £2.84 £2.39	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: £5.42 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 £5.42 £5.00 Reel £5.00 £3.44 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: £3.44 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 £3.44 £3.20 Reel £2.45 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 MID-IBTI LM5017MRX 45 uH 1.5 W 750314462 Wurth Elektronik 1: £3.58 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 £3.58 £3.31 Reel £2.50 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 MID-FLYLT LT8302 9 uH 9 W 750313443 Wurth Elektronik 1: £3.11 6,750On 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	6,750On Order On Order Ship Dates Mfr. No: 750313443 Stock: 0 On Order: 500 Expected 18/02/2027 6,250 Expected 22/04/2027 Factory Lead Time: 19 Weeks	Cut Tape £3.11 £2.87 £2.61 £2.37 Reel £2.17 £1.96 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 WE-PPTI SN6501 340 uH 5 V SMD/SMT 125C 750313638 Wurth Elektronik 1: £3.06 37,937On Order	Mfr. Part No. 750313638 Mouser Part No 710-750313638	Wurth Elektronik	Power Transformers - Board Mount WE-PPTI SN6501 340 uH 5 V SMD/SMT 125C Learn More about Wurth Elektronik wurth we pp transformers	Datasheet	37,937On Order On Order Ship Dates Mfr. No: 750313638 Stock: 0 On Order: 18,937 Expected 04/02/2027 19,000 Expected 20/05/2027 Factory Lead Time: 16 Weeks	Cut Tape £3.06 £2.86 £2.65 £2.38 Reel £2.17 View £1.80 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	Power	5 V	3.3 V	1.2 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 MID-FLYLT LT8301 40 uH 2.8 W 750313972 Wurth Elektronik 1: £4.40 11,000On 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	11,000On Order On Order Ship Dates Mfr. No: 750313972 Stock: 0 On Order: 250 Expected 28/01/2027 8,000 Expected 11/03/2027 2,750 Expected 08/04/2027 Factory Lead Time: 17 Weeks	Cut Tape £4.40 £4.07 £3.70 £3.36 Reel £3.06 £2.78 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	18 V to 42 V	5 V, 5 V	2.8 W	275 mA, 275 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	15.24 mm	13.34 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount WE-FB LT3751 2.5 uH 127.5 W 750310355 Wurth Elektronik 1: £9.68 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	£9.68 £9.07 £7.88 £7.10 £5.63	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: £5.71 2,600On Order	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	2,600On Order On Order Ship Dates Mfr. No: 750310563 Stock: 0 On Order: 800 Expected 08/04/2027 1,800 Expected 08/07/2027 Factory Lead Time: 21 Weeks	Cut Tape £5.71 £5.23 £5.01 £4.86 Reel £4.56 View £4.65 £4.33 £4.16	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: £2.57 3,135On Order	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	3,135On Order On Order Ship Dates Mfr. No: 750310799 Stock: 0 On Order: 1,935 Expected 03/12/2026 1,200 Expected 01/04/2027 Factory Lead Time: 14 Weeks	Cut Tape £2.57 Reel £2.57 £2.47 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 8 uH 45 W 750311591 Wurth Elektronik 1: £10.78 300Expected 18/02/2027	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 18/02/2027	Cut Tape £10.78 £10.10 Reel £8.78 £7.91 MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	20 V to 48 V	15 V	45 W	3 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 14 uH 30 W 750311607 Wurth Elektronik 1: £6.94 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 24/12/2026 500 Expected 28/01/2027 Factory Lead Time: 19 Weeks	Cut Tape £6.94 £6.41 £5.88 Reel £5.33 £4.40 £3.87 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: £6.01 874On 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	874On Order On Order Ship Dates Mfr. No: 750311797 Stock: 0 On Order: 124 Expected 03/12/2026 250 Expected 17/12/2026 500 Expected 10/06/2027 Factory Lead Time: 19 Weeks	Cut Tape £6.01 £5.55 Reel £4.63 £3.82 £3.35 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: £2.92 1,470Expected 04/02/2027	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 04/02/2027	Cut Tape £2.92 £2.71 £2.29 Reel £2.08 £1.72 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-PPMAX MAX14940 388 uH 1.1 W 750315228 Wurth Elektronik 1: £1.91 4,510On Order	Mfr. Part No. 750315228 Mouser Part No 710-750315228	Wurth Elektronik	Power Transformers - Board Mount MID-PPMAX MAX14940 388 uH 1.1 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	4,510On Order On Order Ship Dates Mfr. No: 750315228 Stock: 0 On Order: 910 Expected 31/12/2026 3,600 Expected 29/04/2027 Factory Lead Time: 16 Weeks	Cut Tape £1.91 £1.82 £1.69 £1.53 Reel £1.41 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,200	Signal Transformers	3.3 V	6.6 V	1.1 W	160 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	6.73 mm	10.46 mm	4.19 mm	MID-PPMAX
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W 750315828 Wurth Elektronik 1: £1.85 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 £1.85 £1.75 £1.48 Reel £1.35 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: £3.36 1,199Expected 15/02/2027	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 15/02/2027	Cut Tape £3.36 £3.18 £2.98 £2.78 Reel £2.59 £2.25 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 14 uH 40 W 750310988 Wurth Elektronik 1: £7.22 200Expected 03/12/2026	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 03/12/2026	Cut Tape £7.22 £6.67 Reel £5.55 £4.58 £4.03 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: £5.49 188Expected 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	188Expected 03/12/2026	Cut Tape £5.49 £5.10 Reel £3.92 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
Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6 W 750313460 Wurth Elektronik 1: £3.11 500Expected 03/12/2026	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 03/12/2026	Cut Tape £3.11 £2.87 Reel £2.17 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	4 V to 8 V	5 V	6 W	1.2 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	13.34 mm	15.24 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount WE-FB Flyback 5uH 100mVAC 750032489 Wurth Elektronik 1,000: £4.09 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 £4.09	Min.: 1,000 Mult.: 200 : 200	Flyback Transformers	15 V	146 V	9.9 W	68 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	13.46 mm	17.75 mm	12.7 mm	WE-FB