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 WE-FB LTC3300 3.46 uH 5 W 750312504 Wurth Elektronik 1: ¥509.9 1,864In Stock	Mfr. Part # 750312504 Mouser Part # 710-750312504	Wurth Elektronik	Power Transformers - Board Mount WE-FB LTC3300 3.46 uH 5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1,864In Stock	Cut Tape ¥509.9 ¥473.4 ¥436.8 ¥400.3 Reel ¥400.3 View ¥363.8 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	2 V to 5.5 V	20 V	5 W	250 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	13.46 mm	17.75 mm	12.7 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 7.7 W 750313445 Wurth Elektronik 1: ¥687.7 3,059In Stock 3,000Expected 11/16/2026	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	3,059In Stock 3,000Expected 11/16/2026	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 LT8301 40 uH 3.3 W 750313973 Wurth Elektronik 1: ¥872 1,138In Stock 1,250Expected 2/18/2027	Mfr. Part # 750313973 Mouser Part # 710-750313973	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1,138In Stock 1,250Expected 2/18/2027	Cut Tape ¥872 ¥807.2 ¥734.2 ¥667.7 Reel ¥606.3 ¥551.5 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 32 V	3.3 V, 3.3 V	3.3 W	500 mA, 500 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	15.24 mm	13.34 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.6 W 750313974 Wurth Elektronik 1: ¥872 813In Stock 1,000Expected 2/18/2027	Mfr. Part # 750313974 Mouser Part # 710-750313974	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	813In Stock 1,000Expected 2/18/2027	Cut Tape ¥872 ¥807.2 ¥734.2 ¥667.7 Reel ¥606.3 ¥551.5 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 32 V	5 V, 5 V	3.6 W	360 mA, 360 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	15.24 mm	13.34 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W 750313975 Wurth Elektronik 1: ¥872 639In Stock 1,250Expected 2/18/2027	Mfr. Part # 750313975 Mouser Part # 710-750313975	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	639In Stock 1,250Expected 2/18/2027	Cut Tape ¥872 ¥807.2 ¥734.2 ¥667.7 Reel ¥606.3 ¥551.5 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 32 V	24 V, 24 V	3.4 W	70 mA, 70 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	15.24 mm	13.34 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W 750313976 Wurth Elektronik 1: ¥872 784In Stock	Mfr. Part # 750313976 Mouser Part # 710-750313976	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	784In Stock	Cut Tape ¥872 ¥807.2 ¥667.7 Reel ¥606.3 ¥551.5 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 32 V	48 V, 48 V	3.4 W	35 mA, 35 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 SMD Flyback On REFDesign LTC8304 750315125 Wurth Elektronik 1: ¥661.1 3,737In Stock 2,800Expected 11/19/2026	Mfr. Part # 750315125 Mouser Part # 710-750315125	Wurth Elektronik	Power Transformers - Board Mount WE-FB SMD Flyback On REFDesign LTC8304 Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	3,737In Stock 2,800Expected 11/19/2026	Cut Tape ¥661.1 ¥631.2 ¥601.3 ¥571.4 Reel ¥571.4 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	18 V to 72 V	5 V	22.5 W	4.5 A	SMD/SMT	Single 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 REFDesign LTC8304 750315126 Wurth Elektronik 1: ¥619.6 1,913In Stock 1,600Expected 2/18/2027	Mfr. Part # 750315126 Mouser Part # 710-750315126	Wurth Elektronik	Power Transformers - Board Mount WE-FB SMD Flyback On REFDesign LTC8304 Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1,913In Stock 1,600Expected 2/18/2027	Cut Tape ¥619.6 ¥576.4 ¥531.5 ¥486.7 Reel ¥486.7 View ¥443.5 ¥365.4 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	36 V to 72 V	12 V	15 W	1.25 A	SMD/SMT	Single Primary Winding	Dual Secondary Winding	13.46 mm	17.75 mm	12.7 mm	MID-FLYLT
Power Transformers - Board Mount MID-PPMAX MAX14855 388 uH 1.1 W 750315227 Wurth Elektronik 1: ¥503.3 3,421In Stock	Mfr. Part # 750315227 Mouser Part # 710-750315227	Wurth Elektronik	Power Transformers - Board Mount MID-PPMAX MAX14855 388 uH 1.1 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	3,421In Stock	Cut Tape ¥503.3 ¥478.4 ¥445.1 ¥403.6 Reel ¥368.7 Quote Quote	Min.: 1 Mult.: 1 : 1,200	Push-Pull Transformers	3.3 V	5.61 V	1.1 W	200 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-PPMAX MAX14855 384 uH 600 mW 750315231 Wurth Elektronik 1: ¥662.7 1,561In Stock	Mfr. Part # 750315231 Mouser Part # 710-750315231	Wurth Elektronik	Power Transformers - Board Mount MID-PPMAX MAX14855 384 uH 600 mW Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	1,561In Stock	Cut Tape ¥662.7 ¥629.5 ¥529.9 Reel ¥486.7 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	Signal Transformers	3.3 V	5 V	600 mW	125 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	9.14 mm	12.7 mm	7.62 mm	MID-PPMAX
Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 15.8 W 750315835 Wurth Elektronik 1: ¥619.6 989In Stock	Mfr. Part # 750315835 Mouser Part # 710-750315835	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 15.8 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	989In Stock	Cut Tape ¥619.6 ¥591.3 ¥534.8 Reel ¥534.8 ¥495	Min.: 1 Mult.: 1 : 200	Flyback Transformers	36 V to 75 V	3.3 V	15.8 W	4.8 A	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 750315836 Wurth Elektronik 1: ¥498.3 1,253In Stock	Mfr. Part # 750315836 Mouser Part # 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	1,253In Stock	Cut Tape ¥498.3 ¥475 ¥453.5 ¥430.2 Reel ¥430.2 ¥385.4 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 WE-PPTI SN6501 50 uH 5 V SMD/SMT 125C 750343725 Wurth Elektronik 1: ¥760.7 1,362In Stock 2,000Expected 4/1/2027	Mfr. Part # 750343725 Mouser Part # 710-750343725	Wurth Elektronik	Power Transformers - Board Mount WE-PPTI SN6501 50 uH 5 V SMD/SMT 125C Learn More about Wurth Elektronik wurth we pp transformers	Datasheet	1,362In Stock 2,000Expected 4/1/2027	Cut Tape ¥760.7 ¥705.9 ¥651.1 Reel ¥596.3 ¥485 MouseReel Available	Min.: 1 Mult.: 1 : 500	Push-Pull Transformers	5 V	19.5 V	1 W	50 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	9.14 mm	12.95 mm	7.62 mm	WE-PPTI
Power Transformers - Board Mount WE-FB LT3751 5 uH 75 W 750310349 Wurth Elektronik 1: ¥2,142.7 111In Stock	Mfr. Part # 750310349 Mouser Part # 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	111In Stock	¥2,142.7 ¥2,006.5 ¥1,918.5 ¥1,744.1 View ¥1,569.6 ¥1,245.8	Min.: 1 Mult.: 1	Flyback Transformers	24 V	300 V	75 W	250 mA	Through Hole	Single Primary Winding	Dual Secondary Winding	36.5 mm	42 mm	23 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3573 63 uH 10 W 750310564 Wurth Elektronik 1: ¥833.8 193In Stock	Mfr. Part # 750310564 Mouser Part # 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 ¥833.8 ¥774 ¥654.4 Reel ¥594.6 ¥491.7 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	12 V to 30 V	- 5 V, 5 V	10 W	1 A, 1 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 4.5 uH 36 W 750310617 Wurth Elektronik 1: ¥1,868.6 187In Stock	Mfr. Part # 750310617 Mouser Part # 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	187In Stock	Cut Tape ¥1,868.6 ¥1,685.9 ¥1,616.2 ¥1,581.3 Reel ¥1,488.3 View ¥1,415.2 ¥1,360.4 ¥1,338.8 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 15 uH 30 W 750311385 Wurth Elektronik 1: ¥1,558 205In Stock	Mfr. Part # 750311385 Mouser Part # 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 ¥1,558 ¥1,458.4 Reel ¥1,269 ¥1,141.1 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	18 V to 60 V	13 V	30 W	2.3 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	29.08 mm	23.11 mm	11.43 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W 750311424 Wurth Elektronik 1: ¥647.8 11In Stock 200Expected 1/28/2027	Mfr. Part # 750311424 Mouser Part # 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 1/28/2027	Cut Tape ¥647.8 Reel ¥468.4 Quote Quote 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 WE-FB LT3748 50 uH 20 W 750311457 Wurth Elektronik 1: ¥1,357 62In Stock	Mfr. Part # 750311457 Mouser Part # 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 ¥1,357 ¥1,260.7 Reel ¥970 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	36 V	5 V	20 W	4 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 15 uH 13.2 W 750311458 Wurth Elektronik 1: ¥1,317.2 238In Stock	Mfr. Part # 750311458 Mouser Part # 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	238In Stock	Cut Tape ¥1,317.2 ¥1,222.5 Reel ¥940.1 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	36 V	3.3 V	13.2 W	4 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 100 uH 800 mW 750311486 Wurth Elektronik 1: ¥973.3 470In Stock	Mfr. Part # 750311486 Mouser Part # 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	470In Stock	Cut Tape ¥973.3 ¥911.9 ¥872 ¥792.3 Reel ¥712.6 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	12 V	- 200 V, 200 V	800 mW	2 mA, 2 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	13.46 mm	17.75 mm	12.7 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W 750311590 Wurth Elektronik 1: ¥2,190.9 125In Stock	Mfr. Part # 750311590 Mouser Part # 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 ¥2,190.9 ¥2,051.3 Reel ¥1,783.9 ¥1,606.2 MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	20 V to 48 V	12 V	45.6 W	3.8 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 12 uH 45.6 W 750311596 Wurth Elektronik 1: ¥2,385.2 31In Stock	Mfr. Part # 750311596 Mouser Part # 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 ¥2,385.2 ¥2,234 Reel ¥2,234 ¥1,749 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	30 V to 75 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 WE-FB LT3748 8 uH 30 W 750311599 Wurth Elektronik 1: ¥1,946.7 108In Stock 125Expected 11/30/2026	Mfr. Part # 750311599 Mouser Part # 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 11/30/2026	Cut Tape ¥1,946.7 ¥1,823.8 Reel ¥1,586.3 ¥1,426.8 MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	20 V to 48 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 WE-FB LT3748 8 uH 31.2 W 750311604 Wurth Elektronik 1: ¥1,323.8 295In Stock	Mfr. Part # 750311604 Mouser Part # 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 ¥1,323.8 ¥1,222.5 Reel ¥1,018.2 ¥900.3 ¥822.2 MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	20 V to 48 V	24 V	31.2 W	1.3 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	23.11 mm	29.08 mm	11.43 mm	WE-FB