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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 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 MID-OLLT LT8315 EE20/10/6 (EF20) 12W THT 7508111324 Wurth Elektronik 1: ¥1,235.8 48In Stock	Mfr. Part # 7508111324 Mouser Part # 710-7508111324	Wurth Elektronik	Power Transformers - Board Mount MID-OLLT LT8315 EE20/10/6 (EF20) 12W THT	Datasheet	48In Stock	¥1,235.8 ¥1,069.7 ¥973.3 ¥955.1 View ¥925.2 ¥898.6	Min.: 1 Mult.: 1												MID-OLLT
Power Transformers - Board Mount MID-OLTI UCC28740 EE20/10/6 (EF20) 36W THT 7508112339 Wurth Elektronik 1: ¥1,232.5 63In Stock	Mfr. Part # 7508112339 Mouser Part # 710-7508112339	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI UCC28740 EE20/10/6 (EF20) 36W THT Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	63In Stock	¥1,232.5 ¥1,066.4 ¥986.6 ¥955.1 View ¥925.2 ¥898.6	Min.: 1 Mult.: 1												MID-OLTI
Power Transformers - Board Mount MID-OLTI UCC28910 EFD25 36W THT 7508112341 Wurth Elektronik 1: ¥1,541.4 42In Stock	Mfr. Part # 7508112341 Mouser Part # 710-7508112341	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI UCC28910 EFD25 36W THT Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	42In Stock	¥1,541.4 ¥1,443.4 ¥1,372 ¥1,328.8 View ¥1,287.3 ¥1,245.8	Min.: 1 Mult.: 1												MID-OLTI
Power Transformers - Board Mount MID-OLEFD EFD20 SMD .8uH 1.4A 12V 7508116312 Wurth Elektronik 1: ¥1,382 128In Stock	Mfr. Part # 7508116312 Mouser Part # 710-7508116312	Wurth Elektronik	Power Transformers - Board Mount MID-OLEFD EFD20 SMD .8uH 1.4A 12V Learn More about Wurth Elektronik midcom wurth MID OLEFD EFD20 transformers	Datasheet	128In Stock	Cut Tape ¥1,382 ¥1,149.4 Reel ¥1,149.4 ¥812.2 MouseReel Available	Min.: 1 Mult.: 1 : 120	Power	120 VAC to 375 VAC	12 V, 12 V	24 W	1 A, 1 A	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	21.5 mm	33.8 mm	12 mm	WE-OLEFD
Power Transformers - Board Mount MID-OLEFD 125-375V 68-170kHz 7508116314 Wurth Elektronik 1: ¥1,489.9 89In Stock	Mfr. Part # 7508116314 Mouser Part # 710-7508116314	Wurth Elektronik	Power Transformers - Board Mount MID-OLEFD 125-375V 68-170kHz Learn More about Wurth Elektronik midcom wurth MID OLEFD EFD20 transformers	Datasheet	89In Stock	¥1,489.9 ¥1,401.9 ¥1,320.5 ¥1,267.3 View ¥1,205.9 ¥1,121.2	Min.: 1 Mult.: 1	Power	85 VAC to 265 VAC	12 V, 12 V	31.2 W	1.3 A, 1.3 A	Through Hole	Dual Primary Winding	Dual Secondary Winding	26.3 mm	33 mm	14 mm	WE-OLEFD
Power Transformers - Board Mount MID-OLEFD EFD20 SMD .8uH 1.4A 24V 750811643 Wurth Elektronik 1: ¥1,375.3 73In Stock 120Expected 11/19/2026	Mfr. Part # 750811643 Mouser Part # 710-750811643	Wurth Elektronik	Power Transformers - Board Mount MID-OLEFD EFD20 SMD .8uH 1.4A 24V Learn More about Wurth Elektronik midcom wurth MID OLEFD EFD20 transformers	Datasheet	73In Stock 120Expected 11/19/2026	Cut Tape ¥1,375.3 ¥1,255.7 ¥1,159.4 Reel ¥1,159.4 MouseReel Available	Min.: 1 Mult.: 1 : 120	Power	85 VAC to 265 VAC	24 V, 24 V	24 W	500 mA, 500 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	21.5 mm	33.8 mm	12 mm	WE-OLEFD
Power Transformers - Board Mount MID-OLEFD 125-375V 68-100kHz 750811645 Wurth Elektronik 1: ¥1,622.8 67In Stock	Mfr. Part # 750811645 Mouser Part # 710-750811645	Wurth Elektronik	Power Transformers - Board Mount MID-OLEFD 125-375V 68-100kHz Learn More about Wurth Elektronik midcom wurth MID OLEFD EFD20 transformers	Datasheet	67In Stock	¥1,622.8 ¥1,602.9 ¥1,501.5 ¥1,352.1 View ¥1,200.9 Quote	Min.: 1 Mult.: 1	Power	85 VAC to 265 VAC	24 V, 24 V	34.1 W	710 mA, 710 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	26.3 mm	33 mm	14 mm	WE-OLEFD
Power Transformers - Board Mount MID-OLLT LT3798 600 uH 14 W 750813134 Wurth Elektronik 1: ¥1,308.9 191In Stock	Mfr. Part # 750813134 Mouser Part # 710-750813134	Wurth Elektronik	Power Transformers - Board Mount MID-OLLT LT3798 600 uH 14 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	191In Stock	¥1,308.9 ¥1,215.9 ¥1,028.2 ¥935.1 ¥770.7	Min.: 1 Mult.: 1	Flyback Transformers	90 VAC to 265 VAC	14 V	14 W	1 A	Through Hole	Single Primary Winding	Dual Secondary Winding	18 mm	16.5 mm	18 mm	MID-OLLT
Power Transformers - Board Mount MID-OLLT LT3798 600 uH 14 W 750813144 Wurth Elektronik 1: ¥1,074.7 62In Stock 1,000Expected 3/8/2027	Mfr. Part # 750813144 Mouser Part # 710-750813144	Wurth Elektronik	Power Transformers - Board Mount MID-OLLT LT3798 600 uH 14 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	62In Stock 1,000Expected 3/8/2027	¥1,074.7 ¥968.4 ¥913.6 ¥898.6 View ¥863.7 ¥815.6	Min.: 1 Mult.: 1	Flyback Transformers	85 VAC to 265 VAC	28 V	14 W	500 mA	Through Hole	Single Primary Winding	Dual Secondary Winding	18 mm	16.5 mm	18 mm	MID-OLLT
Power Transformers - Board Mount WE-UNIT 5.8W SMD Offline Trnsfmr 750817015 Wurth Elektronik 1: ¥825.5 34In Stock	Mfr. Part # 750817015 Mouser Part # 710-750817015	Wurth Elektronik	Power Transformers - Board Mount WE-UNIT 5.8W SMD Offline Trnsfmr Learn More about Wurth Elektronik wurthWEUNITTransformer	Datasheet	34In Stock	Cut Tape ¥825.5 ¥764.1 ¥694.3 ¥631.2 Reel ¥631.2 ¥573 MouseReel Available	Min.: 1 Mult.: 1 : 175	Power	55 VAC to 265 VAC	5 V	4.5 W	900 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	13.8 mm	23.9 mm	11 mm	MID-OLEE
Power Transformers - Board Mount MID-OLLT LT8311 LT3752 EE13/6/6 1.5W THT 750817020 Wurth Elektronik 1: ¥1,069.7 285In Stock	Mfr. Part # 750817020 Mouser Part # 710-750817020	Wurth Elektronik	Power Transformers - Board Mount MID-OLLT LT8311 LT3752 EE13/6/6 1.5W THT	Datasheet	285In Stock	¥1,069.7 ¥925.2 ¥896.9 ¥858.7 View ¥832.2 ¥805.6 ¥780.7	Min.: 1 Mult.: 1												MID-OLLT
Power Transformers - Board Mount MID-OLLT LT3798 ER28/14 24W THT 750817220 Wurth Elektronik 1: ¥2,215.8 40In Stock	Mfr. Part # 750817220 Mouser Part # 710-750817220	Wurth Elektronik	Power Transformers - Board Mount MID-OLLT LT3798 ER28/14 24W THT	Datasheet	40In Stock	¥2,215.8 ¥1,996.5 ¥1,870.3 ¥1,777.3 View ¥1,722.5 ¥1,667.6 ¥1,614.5	Min.: 1 Mult.: 1												MID-OLLT
Power Transformers - Board Mount WE-UOST Univ Offline 1250uH 0.8A 2920mOhm 760871135 Wurth Elektronik 1: ¥1,637.7 178In Stock	Mfr. Part # 760871135 Mouser Part # 710-760871135	Wurth Elektronik	Power Transformers - Board Mount WE-UOST Univ Offline 1250uH 0.8A 2920mOhm Learn More about Wurth Elektronik wurth uost transformers	Datasheet	178In Stock	Cut Tape ¥1,637.7 ¥1,609.5 ¥1,494.9 Reel ¥1,310.5 ¥1,200.9 ¥1,091.3 MouseReel Available	Min.: 1 Mult.: 1 : 150	Power	85 VAC to 265 VAC	12 V	6.6 W	550 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	25.81 mm	16.6 mm	13.5 mm	WE-UOST
Power Transformers - Board Mount WE-LLCR Size ETD34 600uH 150W 24V 760895441 Wurth Elektronik 1: ¥2,768.9 33In Stock	Mfr. Part # 760895441 Mouser Part # 710-760895441	Wurth Elektronik	Power Transformers - Board Mount WE-LLCR Size ETD34 600uH 150W 24V Learn More about Wurth Elektronik wurth llcr transformers	Datasheet	33In Stock	¥2,768.9 ¥2,654.3 ¥2,486.5 ¥2,426.7 View ¥2,215.8 ¥2,214.1 ¥1,988.2	Min.: 1 Mult.: 1	Power	255 VAC to 283 VAC	24 V	150 W	6.2 A	Through Hole	Single Primary Winding	Dual Secondary Winding	36 mm	36 mm	26 mm	WE-LLCR
Power Transformers - Board Mount WE-LLCR Size ETD39 500uH 200W 12V 760895631 Wurth Elektronik 1: ¥2,973.2 6In Stock	Mfr. Part # 760895631 Mouser Part # 710-760895631	Wurth Elektronik	Power Transformers - Board Mount WE-LLCR Size ETD39 500uH 200W 12V Learn More about Wurth Elektronik wurth llcr transformers	Datasheet	6In Stock	¥2,973.2 ¥2,848.6 ¥2,670.9 ¥2,403.5 ¥2,136	Min.: 1 Mult.: 1	Power	255 VAC to 283 VAC	12 V	200 W	16.7 A	Through Hole	Single Primary Winding	Dual Secondary Winding	44 mm	43 mm	30 mm	WE-LLCR
Power Transformers - Board Mount WE-LLCR Size ETD39 500uH 200W 24V 760895641 Wurth Elektronik 1: ¥2,973.2 30In Stock	Mfr. Part # 760895641 Mouser Part # 710-760895641	Wurth Elektronik	Power Transformers - Board Mount WE-LLCR Size ETD39 500uH 200W 24V Learn More about Wurth Elektronik wurth llcr transformers	Datasheet	30In Stock	¥2,973.2 ¥2,770.5 ¥2,670.9 ¥2,403.5 View ¥2,378.6 ¥2,136	Min.: 1 Mult.: 1	Power	255 VAC to 283 VAC	24 V	200 W	8.3 A	Through Hole	Single Primary Winding	Dual Secondary Winding	44 mm	43 mm	30 mm	WE-LLCR
Power Transformers - Board Mount WE-LLCR NCP1399Size ETD39 5 00uH 200W 48V 760895651 Wurth Elektronik 1: ¥2,973.2 24In Stock	Mfr. Part # 760895651 Mouser Part # 710-760895651	Wurth Elektronik	Power Transformers - Board Mount WE-LLCR NCP1399Size ETD39 5 00uH 200W 48V Learn More about Wurth Elektronik wurth llcr transformers	Datasheet	24In Stock	¥2,973.2 ¥2,848.6 ¥2,670.9 ¥2,403.5 ¥2,136	Min.: 1 Mult.: 1	Power	255 VAC to 283 VAC	48 V	200 W	4.2 A	Through Hole	Single Primary Winding	Dual Secondary Winding	44 mm	43 mm	30 mm	WE-LLCR
Power Transformers - Board Mount WE-LLCR Size ETD44 400uH 250W 24V 760895741 Wurth Elektronik 1: ¥3,587.8 35In Stock 45Expected 11/13/2026	Mfr. Part # 760895741 Mouser Part # 710-760895741	Wurth Elektronik	Power Transformers - Board Mount WE-LLCR Size ETD44 400uH 250W 24V Learn More about Wurth Elektronik wurth llcr transformers	Datasheet	35In Stock 45Expected 11/13/2026	¥3,587.8 ¥3,438.3 ¥3,222.3 ¥2,900.1 ¥2,469.9	Min.: 1 Mult.: 1	Power	255 VAC to 283 VAC	24 V	250 W	10.4 A	Through Hole	Single Primary Winding	Dual Secondary Winding	48 mm	46 mm	27.5 mm	WE-LLCR
Power Transformers - Board Mount WE-LLCR Size ETD44 400uH 250W 48V 760895751 Wurth Elektronik 15: ¥3,343.6 15In Stock	Mfr. Part # 760895751 Mouser Part # 710-760895751	Wurth Elektronik	Power Transformers - Board Mount WE-LLCR Size ETD44 400uH 250W 48V Learn More about Wurth Elektronik wurth llcr transformers	Datasheet	15In Stock	¥3,343.6 ¥3,222.3 ¥2,900.1 ¥2,871.9 ¥2,469.9	Min.: 15 Mult.: 15	Power	255 VAC to 283 VAC	48 V	250 W	5.2 A	Through Hole	Single Primary Winding	Dual Secondary Winding	48 mm	46 mm	27.5 mm	WE-LLCR
Power Transformers - Board Mount 10uH 20% 1:1.6:2.9 Trnsfmr - IGBT/FET VGT12EEM-200S1A4 TDK 1: ¥1,453.4 94In Stock 1,000Expected 11/23/2026	Mfr. Part # VGT12EEM-200S1A4 Mouser Part # 810-VGT12EEM-200S1A4	TDK	Power Transformers - Board Mount 10uH 20% 1:1.6:2.9 Trnsfmr - IGBT/FET Learn More about TDK vgt transformers	Datasheet	94In Stock 1,000Expected 11/23/2026	Cut Tape ¥1,453.4 ¥1,259 ¥1,187.6 ¥1,089.6 Reel ¥1,034.8 View ¥1,009.9 ¥941.8 Quote	Min.: 1 Mult.: 1 : 500						PCB Board Mount			13.6 mm	10.8 mm	10 mm	VGT
Power Transformers - Board Mount 2.5uH 15% Trnsfmr - IGBT/FET VGT22EPC-200S6A12 TDK 1: ¥2,305.5 102In Stock 120Expected 11/3/2026	Mfr. Part # VGT22EPC-200S6A12 Mouser Part # 810-VGT22EPC200S6A12	TDK	Power Transformers - Board Mount 2.5uH 15% Trnsfmr - IGBT/FET Learn More about TDK vgt transformers	Datasheet	102In Stock 120Expected 11/3/2026	Cut Tape ¥2,305.5 ¥1,993.2 ¥1,842 Reel ¥1,684.3 ¥1,652.7 View ¥1,639.4 Quote	Min.: 1 Mult.: 1 : 120						PCB Board Mount			33 mm	24.8 mm	13.7 mm	VGT
Power Transformers - Board Mount THROUGH HOLE 1.1VA 3FD-210 Tamura 1: ¥955.1 36In Stock 480Expected 3/24/2027	Mfr. Part # 3FD-210 Mouser Part # 838-3FD-210	Tamura	Power Transformers - Board Mount THROUGH HOLE 1.1VA	Datasheet	36In Stock 480Expected 3/24/2027	¥955.1 ¥802.3 ¥770.7 ¥696 View ¥669.4 ¥659.4 ¥649.5 ¥579.7	Min.: 1 Mult.: 1		115 VAC, 230 VAC		1.1 VA		Through Hole	Dual Primary Winding	Dual Secondary Winding			25.4 mm	3FD
Power Transformers - Board Mount THROUGH HOLE 1.1VA 3FD-224 Tamura 1: ¥900.3 222In Stock	Mfr. Part # 3FD-224 Mouser Part # 838-3FD-224	Tamura	Power Transformers - Board Mount THROUGH HOLE 1.1VA	Datasheet	222In Stock	¥900.3 ¥797.3 ¥764.1 ¥639.5 View ¥637.8 ¥579.7 ¥559.8 ¥546.5	Min.: 1 Mult.: 1		115 VAC, 230 VAC		1.1 VA		Through Hole	Dual Primary Winding	Dual Secondary Winding			25.4 mm	3FD
Power Transformers - Board Mount THROUGH HOLE 2.4VA 3FD-316 Tamura 1: ¥1,101.2 38In Stock 1,500On Order	Mfr. Part # 3FD-316 Mouser Part # 838-3FD-316	Tamura	Power Transformers - Board Mount THROUGH HOLE 2.4VA	Datasheet	38In Stock 1,500On Order On Order Ship Dates Mfr. #: 3FD-316 Stock: 38 Can Ship Immediately On Order: 720 Expected 6/1/2027 780 Expected 6/7/2027 Factory Lead-Time: 24 Weeks	¥1,101.2 ¥928.5 ¥892 ¥857.1 View ¥830.5 ¥795.6 ¥775.7 ¥752.4 ¥636.2	Min.: 1 Mult.: 1		115 VAC, 230 VAC		2.4 VA	150 mA, 300 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding			32 mm	3FD