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Power Transformers - Board Mount

Board Mount Power Transformers are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many board mount power transformer manufacturers including Bel, Bourns, Pulse, Tamura, Triad Magnetics, Wurth Elektronik & more. Please view our selection of power transformers below.

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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 LT3748 8 uH 45.6 W 750311590 Wurth Elektronik 1: ¥2,190.9 127In 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	127In 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 11/26/2026	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 11/26/2026	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
Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W 750311608 Wurth Elektronik 1: ¥1,288.9 129In Stock	Mfr. Part # 750311608 Mouser Part # 710-750311608	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	129In Stock	Cut Tape ¥1,288.9 ¥1,197.6 Reel ¥1,197.6 ¥921.9 MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	30 V to 75 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
Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W 750311624 Wurth Elektronik 1: ¥1,295.6 270In Stock	Mfr. Part # 750311624 Mouser Part # 710-750311624	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	270In Stock	Cut Tape ¥1,295.6 ¥1,204.2 ¥1,018.2 Reel ¥925.2 ¥764.1 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	10 V to 40 V	15 V	15 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 LT3575 9 uH 13.2 W 750311625 Wurth Elektronik 1: ¥1,400.2 194In Stock 400Expected 2/1/2027	Mfr. Part # 750311625 Mouser Part # 710-750311625	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 9 uH 13.2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	194In Stock 400Expected 2/1/2027	Cut Tape ¥1,400.2 ¥1,292.3 ¥1,078 Reel ¥888.6 ¥780.7 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	10 V to 40 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 750311681 Wurth Elektronik 1: ¥573 355In Stock 400Expected 12/17/2026	Mfr. Part # 750311681 Mouser Part # 710-750311681	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	355In Stock 400Expected 12/17/2026	Cut Tape ¥573 ¥531.5 ¥495 ¥460.1 Reel ¥421.9 View ¥368.7 Quote 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 60 uH 150 mW 750311691 Wurth Elektronik 1: ¥973.3 438In Stock	Mfr. Part # 750311691 Mouser Part # 710-750311691	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 60 uH 150 mW Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	438In Stock	Cut Tape ¥973.3 ¥911.9 ¥872 ¥792.3 ¥712.6 Reel ¥712.6 MouseReel Available	Min.: 1 Mult.: 1 : 800	Flyback Transformers	8 V to 15 V	150 V	150 mW	1 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	6.6 mm	8.26 mm	5.59 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 80 uH 300 mW 750311692 Wurth Elektronik 1: ¥692.6 298In Stock 350Expected 10/30/2026	Mfr. Part # 750311692 Mouser Part # 710-750311692	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 80 uH 300 mW Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	298In Stock 350Expected 10/30/2026	Cut Tape ¥692.6 ¥626.2 ¥601.3 ¥583 Reel ¥531.5 View ¥564.7 ¥514.9 ¥495 ¥486.7 MouseReel Available	Min.: 1 Mult.: 1 : 350	Flyback Transformers	8 V to 15 V	- 150 V, 150 V	300 mW	1 mA, 1 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 TPS55010TER 2 uH 6 W 750311780 Wurth Elektronik 1: ¥837.1 485In Stock	Mfr. Part # 750311780 Mouser Part # 710-750311780	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI TPS55010TER 2 uH 6 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	485In Stock	Cut Tape ¥837.1 ¥827.2 Reel ¥827.2 ¥619.6 MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	2.5 V to 3.5 V	15 V, 15 V	6 W	200 mA, 200 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	9.78 mm	9.14 mm	10.54 mm	MID-IBTI
Power Transformers - Board Mount MID-FLYTI TPS23753A EFD15 10W SMT 750311805 Wurth Elektronik 1: ¥798.9 275In Stock	Mfr. Part # 750311805 Mouser Part # 710-750311805	Wurth Elektronik	Power Transformers - Board Mount MID-FLYTI TPS23753A EFD15 10W SMT	Datasheet	275In Stock	Cut Tape ¥798.9 ¥691 ¥671 ¥649.5 Reel ¥629.5 View ¥598 ¥566.4 MouseReel Available	Min.: 1 Mult.: 1 : 200												MID-FLYTI
Power Transformers - Board Mount MID-IBTI TPS55010RTER 2.5 uH 1 W 750311880 Wurth Elektronik 1: ¥601.3 786In Stock	Mfr. Part # 750311880 Mouser Part # 710-750311880	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI TPS55010RTER 2.5 uH 1 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	786In Stock	Cut Tape ¥601.3 ¥528.2 ¥451.8 Reel ¥451.8 ¥415.3 View ¥377 Quote	Min.: 1 Mult.: 1 : 300	Flyback Transformers	3 V to 6 V	5 V	1 W	200 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	9.78 mm	9.14 mm	10.54 mm	MID-IBTI
Power Transformers - Board Mount WE-FB LT3748 37 uH 25 W 750311889 Wurth Elektronik 1: ¥1,382 1In Stock 300Expected 3/11/2027	Mfr. Part # 750311889 Mouser Part # 710-750311889	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 37 uH 25 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	1In Stock 300Expected 3/11/2027	Cut Tape ¥1,382 ¥1,275.6 Reel ¥1,063 ¥877 ¥770.7 MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	28 V	250 V	25 W	100 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	27.03 mm	32.31 mm	13.69 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 1.5 W 750312366 Wurth Elektronik 1: ¥473.4 59In Stock 3,600On Order	Mfr. Part # 750312366 Mouser Part # 710-750312366	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 1.5 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	59In Stock 3,600On Order On Order Ship Dates Mfr. #: 750312366 Stock: 59 Can Ship Immediately On Order: 1,200 Expected 11/26/2026 2,400 Expected 2/4/2027 Factory Lead-Time: 14 Weeks	Cut Tape ¥473.4 ¥438.5 ¥372.1 Reel ¥337.2 ¥279 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	18 V to 75 V	5 V	1.5 W	300 mA	SMD/SMT	Dual Primary Winding	Single Secondary Winding	10.16 mm	13.36 mm	8.64 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W 750312557 Wurth Elektronik 1: ¥622.9 468In Stock	Mfr. Part # 750312557 Mouser Part # 710-750312557	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	468In Stock	Cut Tape ¥622.9 ¥578 Reel ¥445.1 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	36 V to 72 V	5 V	1.9 W	380 mA	SMD/SMT	Dual Primary Winding	Single Secondary Winding	10.16 mm	13.36 mm	8.64 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.8 W 750313441 Wurth Elektronik 1: ¥687.7 383In Stock	Mfr. Part # 750313441 Mouser Part # 710-750313441	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.8 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	383In Stock	Cut Tape ¥687.7 ¥636.2 ¥524.9 Reel ¥478.4 ¥433.5 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 32 V	5 V	8.8 W	1.75 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-FLYLT LT8302 12 uH 7.5 W 750313442 Wurth Elektronik 1: ¥687.7 250In Stock	Mfr. Part # 750313442 Mouser Part # 710-750313442	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 7.5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	250In Stock	Cut Tape ¥687.7 ¥636.2 Reel ¥478.4 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 40 V	5 V	7.5 W	1.5 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-FLYLT LT8302 9 uH 8.6 W 750313457 Wurth Elektronik 1: ¥687.7 5In Stock 2,750Expected 4/8/2027	Mfr. Part # 750313457 Mouser Part # 710-750313457	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	5In Stock 2,750Expected 4/8/2027	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	48 V	8.6 W	180 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-OLTI UCC28910 1.1 mH 6 W 750313739 Wurth Elektronik 1: ¥1,151.1 223In Stock	Mfr. Part # 750313739 Mouser Part # 710-750313739	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI UCC28910 1.1 mH 6 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	223In Stock	Cut Tape ¥1,151.1 ¥1,061.4 Reel ¥1,061.4 ¥795.6 MouseReel Available	Min.: 1 Mult.: 1 : 70	Signal Transformers	85 VAC to 265 VAC	5 V	6 W	1.2 A	Through Hole	Single Primary Winding	Single Secondary Winding	20.32 mm	24.38 mm	16 mm	MID-OLTI
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W 750313970 Wurth Elektronik 1: ¥872 490In Stock	Mfr. Part # 750313970 Mouser Part # 710-750313970	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	490In Stock	Cut Tape ¥872 ¥807.2 ¥667.7 Reel ¥606.3 ¥551.5 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	18 V to 42 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 2.8 W 750313972 Wurth Elektronik 1: ¥973.3 309In Stock 6,750On 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	309In Stock 6,750On Order On Order Ship Dates Mfr. #: 750313972 Stock: 309 Can Ship Immediately On Order: 1,750 Expected 12/10/2026 2,250 Expected 1/28/2027 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 MID-FLYLT LT8301 40 uH 3.3 W 750313973 Wurth Elektronik 1: ¥872 138In Stock 2,250On Order	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	138In Stock 2,250On Order On Order Ship Dates Mfr. #: 750313973 Stock: 138 Can Ship Immediately On Order: 1,000 Expected 11/19/2026 1,250 Expected 2/18/2027 Factory Lead-Time: 17 Weeks	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-IBTI LM5017MR 50 uH 1.5 W 750313995 Wurth Elektronik 1: ¥994.9 28In Stock	Mfr. Part # 750313995 Mouser Part # 710-750313995	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI LM5017MR 50 uH 1.5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	28In Stock	Cut Tape ¥994.9 ¥981.7 Reel ¥981.7 ¥735.8 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	15 V to 40 V	5 V, 5 V, 15 V, 15 V	1.5 W	50 mA, 50 mA, 100 mA, 100 mA	SMD/SMT	Single Primary Winding	Quad Secondary Winding	13.46 mm	17.75 mm	12.7 mm	MID-IBTI
Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL 750314226 Wurth Elektronik 1: ¥1,006.6 52In Stock 250Expected 11/26/2026	Mfr. Part # 750314226 Mouser Part # 710-750314226	Wurth Elektronik	Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	52In Stock 250Expected 11/26/2026	Cut Tape ¥1,006.6 ¥933.5 ¥862.1 ¥790.6 Reel ¥790.6 View ¥719.2 ¥593 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	15 V to 40 V	15 V, 15 V	4.5 W	150 mA, 150 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	13.34 mm	15.24 mm	11.43 mm	MID-IBTI