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 (JPY) 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: ¥408.6 35In Stock	Mfr. Part # 750315834 Mouser Part # 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 ¥408.6 ¥387 Reel ¥299 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 750315837 Wurth Elektronik 1: ¥538.2 164In Stock 200Expected 1/28/2027	Mfr. Part # 750315837 Mouser Part # 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 1/28/2027	Cut Tape ¥538.2 ¥511.6 ¥488.3 ¥463.4 Reel ¥463.4 ¥415.3	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 WE-FB SMD Flyback On REFDsgn LM3481 TI 750316152 Wurth Elektronik 1: ¥2,649.3 41In Stock	Mfr. Part # 750316152 Mouser Part # 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 ¥2,649.3 ¥2,445 Reel ¥2,445 ¥1,680.9 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: ¥1,727.4 200In Stock	Mfr. Part # 750316566 Mouser Part # 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 ¥1,727.4 ¥1,594.6 ¥1,461.7 ¥1,328.8 Reel ¥1,096.3 ¥963.4 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 LT3748 1.5 mH 9 W 750811048 Wurth Elektronik 1: ¥853.8 48In Stock	Mfr. Part # 750811048 Mouser Part # 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	¥853.8 ¥797.3 ¥740.8 ¥684.3 View ¥627.9 ¥529.9	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: ¥1,199.2 17In Stock	Mfr. Part # 750311268 Mouser Part # 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 ¥1,199.2 ¥1,106.2 Reel ¥1,106.2 ¥760.7 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: ¥760.7 229In Stock	Mfr. Part # 750311559 Mouser Part # 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 ¥760.7 ¥705.9 Reel ¥543.1 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: ¥1,372 237In Stock	Mfr. Part # 750311662 Mouser Part # 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 ¥1,372 ¥1,265.7 ¥1,161 ¥1,054.7 Reel ¥1,054.7 View ¥870.4 ¥764.1 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: ¥792.3 8In Stock	Mfr. Part # 750314462 Mouser Part # 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 ¥792.3 ¥732.5 Reel ¥551.5 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 LT3748 9.07 uH 15 W 750311564 Wurth Elektronik 1: ¥702.6 295In Stock 8,800On Order	Mfr. Part # 750311564 Mouser Part # 710-750311564	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 9.07 uH 15 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	295In Stock 8,800On Order On Order Ship Dates Mfr. #: 750311564 Stock: 295 Can Ship Immediately On Order: 2,600 Expected 11/16/2026 600 Expected 11/18/2026 2,200 Expected 5/13/2027 3,400 Expected 5/27/2027 Factory Lead-Time: 17 Weeks	Cut Tape ¥702.6 ¥661.1 ¥619.6 ¥602.9 Reel ¥602.9 Quote Quote 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	Single Secondary Winding	13.46 mm	17.75 mm	12.7 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 9 W 750313443 Wurth Elektronik 1: ¥687.7 6,750On Order	Mfr. Part # 750313443 Mouser Part # 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. #: 750313443 Stock: 0 On Order: 500 Expected 2/18/2027 1,750 Expected 3/9/2027 4,500 Expected 4/22/2027 Factory Lead-Time: 19 Weeks	Cut Tape ¥687.7 ¥636.2 ¥578 ¥524.9 Reel ¥478.4 ¥433.5 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 3.3 V SMD/SMT 125C 750313626 Wurth Elektronik 1: ¥676 12,000On Order	Mfr. Part # 750313626 Mouser Part # 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. #: 750313626 Stock: 0 On Order: 1,000 Expected 11/19/2026 3,000 Expected 4/8/2027 8,000 Expected 5/27/2027 Factory Lead-Time: 18 Weeks	Cut Tape ¥676 ¥632.8 ¥584.7 ¥526.5 Reel ¥478.4 View ¥397 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-PPTI SN6501 340 uH 5 V SMD/SMT 125C 750313638 Wurth Elektronik 1: ¥676 37,967On Order	Mfr. Part # 750313638 Mouser Part # 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	37,967On Order On Order Ship Dates Mfr. #: 750313638 Stock: 0 On Order: 18,967 Expected 2/4/2027 19,000 Expected 5/20/2027 Factory Lead-Time: 18 Weeks	Cut Tape ¥676 ¥632.8 ¥584.7 ¥526.5 Reel ¥478.4 View ¥397 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: ¥973.3 13,000On Order	Mfr. Part # 750313972 Mouser Part # 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	13,000On Order On Order Ship Dates Mfr. #: 750313972 Stock: 0 On Order: 2,250 Expected 1/28/2027 8,000 Expected 3/11/2027 2,750 Expected 4/8/2027 Factory Lead-Time: 17 Weeks	Cut Tape ¥973.3 ¥900.3 ¥818.9 ¥744.1 Reel ¥676 View ¥614.6 Quote 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: ¥2,142.7 375Expected 3/11/2027	Mfr. Part # 750310355 Mouser Part # 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 3/11/2027	¥2,142.7 ¥2,006.5 ¥1,744.1 ¥1,569.6 ¥1,245.8	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: ¥1,264 2,600On Order	Mfr. Part # 750310563 Mouser Part # 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. #: 750310563 Stock: 0 On Order: 800 Expected 3/25/2027 1,800 Expected 3/29/2027 Factory Lead-Time: 21 Weeks	Cut Tape ¥1,264 ¥1,157.7 ¥1,109.5 ¥1,076.3 Reel ¥1,008.2 View ¥1,029.8 ¥958.4 ¥920.2 Quote	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: ¥568.1 3,135On Order	Mfr. Part # 750310799 Mouser Part # 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. #: 750310799 Stock: 0 On Order: 1,935 Expected 12/3/2026 1,200 Expected 4/1/2027 Factory Lead-Time: 14 Weeks	Cut Tape ¥568.1 Reel ¥568.1 ¥546.5 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: ¥2,385.2 300Expected 2/18/2027	Mfr. Part # 750311591 Mouser Part # 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 ¥2,385.2 ¥2,234 Reel ¥1,943.4 ¥1,749 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: ¥1,534.8 975On Order	Mfr. Part # 750311607 Mouser Part # 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. #: 750311607 Stock: 0 On Order: 475 Expected 12/24/2026 500 Expected 1/28/2027 Factory Lead-Time: 19 Weeks	Cut Tape ¥1,534.8 ¥1,416.8 ¥1,298.9 Reel ¥1,181 ¥973.3 ¥855.4 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: ¥1,330.5 874On Order	Mfr. Part # 750311797 Mouser Part # 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. #: 750311797 Stock: 0 On Order: 124 Expected 12/3/2026 250 Expected 12/17/2026 500 Expected 3/15/2027 Factory Lead-Time: 19 Weeks	Cut Tape ¥1,330.5 ¥1,227.5 Reel ¥1,023.2 ¥843.8 ¥742.5 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: ¥644.5 1,470Expected 2/4/2027	Mfr. Part # 750312558 Mouser Part # 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 ¥644.5 ¥598 ¥506.6 Reel ¥460.1 ¥380.4 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 7.7 W 750313445 Wurth Elektronik 1: ¥687.7 6,059On Order	Mfr. Part # 750313445 Mouser Part # 710-750313445	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 7.7 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	6,059On Order On Order Ship Dates Mfr. #: 750313445 Stock: 0 On Order: 6,000 Expected 11/16/2026 59 Expected 11/18/2026 Factory Lead-Time: 19 Weeks	Cut Tape ¥687.7 ¥636.2 ¥578 ¥524.9 Reel ¥478.4 ¥433.5 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 32 V	24 V	7.7 W	320 mA	SMD/SMT	Single Primary Winding	Single 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: ¥408.6 1,200Expected 3/4/2027	Mfr. Part # 750315828 Mouser Part # 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 ¥408.6 ¥387 ¥327.2 Reel ¥299 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: ¥744.1 1,199Expected 2/15/2027	Mfr. Part # 750370040 Mouser Part # 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 ¥744.1 ¥702.6 ¥659.4 ¥616.2 Reel ¥573 ¥498.3 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: ¥1,597.9 200Expected 12/3/2026	Mfr. Part # 750310988 Mouser Part # 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 12/3/2026	Cut Tape ¥1,597.9 ¥1,475 Reel ¥1,229.1 ¥1,014.9 ¥892 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