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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-UNIT Offline 112uH .85A 28Ohm 7491182112 Wurth Elektronik 1: ¥1,343.7 6In Stock	Mfr. Part # 7491182112 Mouser Part # 710-7491182112	Wurth Elektronik	Power Transformers - Board Mount WE-UNIT Offline 112uH .85A 28Ohm Learn More about Wurth Elektronik wurthWEUNITTransformer	Datasheet	6In Stock	¥1,343.7 ¥1,181 ¥1,056.4 ¥993.3 ¥988.3	Min.: 1 Mult.: 1	Power	85 VAC to 265 VAC	12 V	8.4 W	250 mA	Through Hole	Single Primary Winding	Dual Secondary Winding	24.5 mm	20.2 mm	16.5 mm	WE-UNIT
Power Transformers - Board Mount WE-PoEH High Power EPQ13 41uH 36W 7491195112 Wurth Elektronik 1: ¥1,227.5 26In Stock 1,050Expected 1/29/2027	Mfr. Part # 7491195112 Mouser Part # 710-7491195112	Wurth Elektronik	Power Transformers - Board Mount WE-PoEH High Power EPQ13 41uH 36W Learn More about Wurth Elektronik we PoE transformers	Datasheet	26In Stock 1,050Expected 1/29/2027	Cut Tape ¥1,227.5 ¥1,159.4 Reel ¥803.9 ¥677.7 MouseReel Available	Min.: 1 Mult.: 1 : 150	POE - Power Over Ethernet Transformers	33 V to 57 V	12 V	36 W	1.5 A	SMD/SMT	Single Primary Winding	Dual Secondary Winding	14 mm	17.65 mm	14.5 mm	WE-PoEH
Power Transformers - Board Mount WE-PoEH High Power EPQ13 21uH 21.12W 7491195331 Wurth Elektronik 1: ¥1,227.5 120In Stock	Mfr. Part # 7491195331 Mouser Part # 710-7491195331	Wurth Elektronik	Power Transformers - Board Mount WE-PoEH High Power EPQ13 21uH 21.12W Learn More about Wurth Elektronik we PoE transformers	Datasheet	120In Stock	Cut Tape ¥1,227.5 ¥1,159.4 Reel ¥803.9 ¥677.7	Min.: 1 Mult.: 1 : 150	POE - Power Over Ethernet Transformers	9 V to 57 V	3.3 V	21.12 W	3.2 A	SMD/SMT	Single Primary Winding	Dual Secondary Winding	14 mm	17.65 mm	14.5 mm	WE-PoEH
Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 60W 7491196112 Wurth Elektronik 1: ¥1,227.5 239In Stock	Mfr. Part # 7491196112 Mouser Part # 710-7491196112	Wurth Elektronik	Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 60W Learn More about Wurth Elektronik we PoE transformers	Datasheet	239In Stock	Cut Tape ¥1,227.5 ¥1,159.4 Reel ¥803.9 ¥677.7	Min.: 1 Mult.: 1 : 150	POE - Power Over Ethernet Transformers	33 V to 57 V	12 V	60 W	2.5 A	SMD/SMT	Single Primary Winding	Dual Secondary Winding	14 mm	17.65 mm	14.5 mm	WE-PoEH
Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms 749196141 Wurth Elektronik 1: ¥1,121.2 306In Stock 500On Order	Mfr. Part # 749196141 Mouser Part # 710-749196141	Wurth Elektronik	Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	306In Stock 500On Order	Cut Tape ¥1,121.2 ¥1,011.5 ¥971.7 ¥941.8 Reel ¥847.1 View ¥911.9 ¥873.7 ¥805.6	Min.: 1 Mult.: 1 : 500	Flexible Transformers					SMD/SMT	Triple Primary Winding	Triple Secondary Winding	12.9 mm	13 mm	6.2 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX DCR=159mOhms 21.6uH 500VDC SMD 749196211 Wurth Elektronik 1: ¥1,038.1 286In Stock 400Expected 11/13/2026	Mfr. Part # 749196211 Mouser Part # 710-749196211	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX DCR=159mOhms 21.6uH 500VDC SMD Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	286In Stock 400Expected 11/13/2026	Cut Tape ¥1,038.1 ¥960.1 ¥885.3 ¥794 Reel ¥661.1 MouseReel Available	Min.: 1 Mult.: 1 : 400												WE-FLEX
Power Transformers - Board Mount WE-FLEX DCR=159mOhms 11.6uH 500VDC SMD 749196221 Wurth Elektronik 1: ¥1,038.1 55In Stock 400Expected 3/4/2027	Mfr. Part # 749196221 Mouser Part # 710-749196221	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX DCR=159mOhms 11.6uH 500VDC SMD Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	55In Stock 400Expected 3/4/2027	Cut Tape ¥1,038.1 ¥960.1 ¥885.3 ¥794 Reel ¥686 MouseReel Available	Min.: 1 Mult.: 1 : 400												WE-FLEX
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196241 Wurth Elektronik 1: ¥1,217.5 325In Stock 400Expected 3/5/2027	Mfr. Part # 749196241 Mouser Part # 710-749196241	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	325In Stock 400Expected 3/5/2027	Cut Tape ¥1,217.5 ¥1,102.9 ¥980 ¥857.1 Reel ¥735.8	Min.: 1 Mult.: 1 : 400												WE-FLEX
Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A 749196301 Wurth Elektronik 1: ¥1,298.9 504In Stock	Mfr. Part # 749196301 Mouser Part # 710-749196301	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	504In Stock	Cut Tape ¥1,298.9 ¥1,051.4 ¥850.4 ¥795.6 ¥760.7 Reel ¥637.8 MouseReel Available	Min.: 1 Mult.: 1 : 300	Flexible Transformers			500 VA	970 mA	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	17.5 mm	22.1 mm	8.3 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX W/Air Gap 23.3uH 0.33A 749196311 Wurth Elektronik 1: ¥1,297.2 156In Stock 300Expected 1/22/2027	Mfr. Part # 749196311 Mouser Part # 710-749196311	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 23.3uH 0.33A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	156In Stock 300Expected 1/22/2027	Cut Tape ¥1,297.2 ¥1,049.8 ¥850.4 ¥795.6 Reel ¥722.5 View ¥760.7 ¥617.9 MouseReel Available	Min.: 1 Mult.: 1 : 300	Flexible Transformers			500 VA	970 mA	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	17.5 mm	22.1 mm	8.3 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms 749196501 Wurth Elektronik 1: ¥1,853.7 119In Stock	Mfr. Part # 749196501 Mouser Part # 710-749196501	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	119In Stock	Cut Tape ¥1,853.7 ¥1,772.3 ¥1,465 Reel ¥968.4 ¥926.8 MouseReel Available	Min.: 1 Mult.: 1 : 120												WE-FLEX
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.9uH 1.17A 749196510 Wurth Elektronik 1: ¥1,714.2 69In Stock	Mfr. Part # 749196510 Mouser Part # 710-749196510	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.9uH 1.17A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	69In Stock	Cut Tape ¥1,714.2 ¥1,702.5 ¥1,700.9 ¥1,647.7 Reel ¥1,450.1 ¥1,325.5	Min.: 1 Mult.: 1 : 120	Flexible Transformers			500 VA	1.91 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	21 mm	29.5 mm	10.8 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 5.3uH 2.81A 749196527 Wurth Elektronik 1: ¥2,053 165In Stock	Mfr. Part # 749196527 Mouser Part # 710-749196527	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 5.3uH 2.81A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	165In Stock	Cut Tape ¥2,053 ¥1,848.7 Reel ¥1,559.7 ¥1,428.5 ¥1,298.9 ¥1,169.3 MouseReel Available	Min.: 1 Mult.: 1 : 120	Signal Transformers				2.3 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	29.5 mm	21.5 mm	12 mm	WE-FLEX HV
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A 749196531 Wurth Elektronik 1: ¥1,578 69In Stock	Mfr. Part # 749196531 Mouser Part # 710-749196531	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	69In Stock	Cut Tape ¥1,578 ¥1,498.2 Reel ¥1,420.2	Min.: 1 Mult.: 1 : 120	Flexible Transformers			500 VA	1.7 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	21 mm	29.5 mm	10.8 mm	WE-FLEX
Power Transformers - Board Mount MID-PMA IC Ref. Design Analog Devices MAX71335S TOR4.3/2.8/2.3 SMT 750110133 Wurth Elektronik 1: ¥403.6 725In Stock New At Mouser	Mfr. Part # 750110133 Mouser Part # 710-750110133 New At Mouser	Wurth Elektronik	Power Transformers - Board Mount MID-PMA IC Ref. Design Analog Devices MAX71335S TOR4.3/2.8/2.3 SMT	Datasheet	725In Stock	Cut Tape ¥403.6 ¥368.7 ¥333.9 ¥299 ¥269.1 Reel ¥254.1 MouseReel Available	Min.: 1 Mult.: 1 : 500	Analog Modem Transformers					PCB Mount	Single Primary Winding	Single Secondary Winding	9.14 mm	8 mm	7.62 mm	MID-PMA
Power Transformers - Board Mount WE-FB LT3751 5 uH 75 W 750310349 Wurth Elektronik 1: ¥2,142.7 113In 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	113In 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-POE PD70201 38 uH 25 W 750310744 Wurth Elektronik 1: ¥1,051.4 187In Stock	Mfr. Part # 750310744 Mouser Part # 710-750310744	Wurth Elektronik	Power Transformers - Board Mount WE-POE PD70201 38 uH 25 W Learn More about Wurth Elektronik we PoE transformers	Datasheet	187In Stock	Cut Tape ¥1,051.4 ¥976.7 ¥825.5 Reel ¥750.8 ¥652.8	Min.: 1 Mult.: 1 : 200	POE - Power Over Ethernet Transformers	37 V to 57 V	5 V	25 W	5 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	13.46 mm	17.75 mm	12.7 mm	WE-POE
Power Transformers - Board Mount WE-GDT ER9505 1:1 2kV SMT 750311063 Wurth Elektronik 1: ¥852.1 500In Stock 500Expected 2/15/2027	Mfr. Part # 750311063 Mouser Part # 710-750311063	Wurth Elektronik	Power Transformers - Board Mount WE-GDT ER9505 1:1 2kV SMT	Datasheet	500In Stock 500Expected 2/15/2027	Cut Tape ¥852.1 ¥737.5 ¥714.2 ¥692.6 Reel ¥514.9 View ¥664.4 ¥471.7 MouseReel Available	Min.: 1 Mult.: 1 : 500												WE-GDT
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 71In 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	71In 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 37 uH 25.2 W 750311439 Wurth Elektronik 1: ¥765.7 399In Stock 399Expected 10/30/2026	Mfr. Part # 750311439 Mouser Part # 710-750311439	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 37 uH 25.2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	399In Stock 399Expected 10/30/2026	Cut Tape ¥765.7 ¥722.5 ¥679.3 ¥637.8 Reel ¥594.6 ¥523.2 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	37 V to 57 V	12 V	25.2 W	2.1 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 245In 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	245In 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 75In Stock 400Expected 11/9/2026	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	75In Stock 400Expected 11/9/2026	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