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 LT3748 15 uH 30 W 750311605 Wurth Elektronik 1: ¥1,946.7 125In Stock	Mfr. Part # 750311605 Mouser Part # 710-750311605	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	125In Stock	Cut Tape ¥1,946.7 ¥1,823.8 Reel ¥1,586.3 ¥1,426.8 MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	30 V to 75 V	5 V	30 W	6 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 3.8 uH 9 W 750311856 Wurth Elektronik 1: ¥837.1 67In Stock 200Expected 12/3/2026	Mfr. Part # 750311856 Mouser Part # 710-750311856	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	67In Stock 200Expected 12/3/2026	Cut Tape ¥837.1 ¥777.3 ¥717.6 ¥657.8 Reel ¥598 ¥493.3 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	16 V to 24 V	15 V, 15 V, 15 V, 15 V	9 W	150 mA, 150 mA, 150 mA, 150 mA	SMD/SMT	Dual Primary Winding	Quad Secondary Winding	13.97 mm	17.17 mm	12.7 mm	WE-FB
Power Transformers - Board Mount WE-FB Flyback 2.7uH 500VDC 750311088 Wurth Elektronik 1: ¥1,186 402In Stock	Mfr. Part # 750311088 Mouser Part # 710-750311088	Wurth Elektronik	Power Transformers - Board Mount WE-FB Flyback 2.7uH 500VDC Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	402In Stock	Cut Tape ¥1,186 ¥1,094.6 ¥1,003.2 ¥911.9 Reel ¥911.9 ¥752.4 MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	6 V to 12.6 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 LT8303 150 uH 3.6 W 750315826 Wurth Elektronik 1: ¥523.2 513In Stock	Mfr. Part # 750315826 Mouser Part # 710-750315826	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.6 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	513In Stock	Cut Tape ¥523.2 ¥496.6 ¥418.6 Reel ¥383.7 View Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	36 V to 72 V	5 V	3.6 W	720 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 LT3748 6 uH 45 W 750311589 Wurth Elektronik 1: ¥2,190.9 139In Stock	Mfr. Part # 750311589 Mouser Part # 710-750311589	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 6 uH 45 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	139In Stock	Cut Tape ¥2,190.9 ¥2,051.3 ¥1,963.3 Reel ¥1,783.9 ¥1,606.2 MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	20 V to 48 V	5 V	45 W	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 MID-PPMAX MAX14940 384 uH 500 mW 750315232 Wurth Elektronik 1: ¥531.5 266In Stock 1,000Expected 5/27/2027	Mfr. Part # 750315232 Mouser Part # 710-750315232	Wurth Elektronik	Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 500 mW Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	266In Stock 1,000Expected 5/27/2027	Cut Tape ¥531.5 ¥493.3 ¥416.9 Reel ¥378.7 ¥312.3 View Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	Signal Transformers	3.3 V	5 V	500 mW	100 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-IBTI LM20242 66 uH 15.2 W 750342156 Wurth Elektronik 1: ¥842.1 179In Stock	Mfr. Part # 750342156 Mouser Part # 710-750342156	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI LM20242 66 uH 15.2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	179In Stock	Cut Tape ¥842.1 ¥779 ¥709.2 ¥644.5 Reel ¥586.3 ¥531.5 MouseReel Available	Min.: 1 Mult.: 1 : 250	Power	15 V to 40 V	12.7 V, 12.7 V	15.2 W	600 mA, 600 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	13.34 mm	15.24 mm	11.43 mm	MID-IBTI
Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W 750311600 Wurth Elektronik 1: ¥1,946.7 114In Stock	Mfr. Part # 750311600 Mouser Part # 710-750311600	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	114In Stock	Cut Tape ¥1,946.7 ¥1,823.8 Reel ¥1,823.8 ¥1,426.8 MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers	30 V to 75 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 MID-FLYLT 9-36V 50-200kHz 750315832 Wurth Elektronik 1: ¥408.6 329In Stock	Mfr. Part # 750315832 Mouser Part # 710-750315832	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT 9-36V 50-200kHz Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	329In Stock	Cut Tape ¥408.6 ¥387 ¥327.2 Reel ¥308.9 MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	9 V to 36 V	100 V	1.5 W	15 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-OLTI UCC28700 1.8 mH 3 W 750313959 Wurth Elektronik 1: ¥1,981.6 122In Stock	Mfr. Part # 750313959 Mouser Part # 710-750313959	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI UCC28700 1.8 mH 3 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	122In Stock	¥1,981.6 ¥1,830.4 ¥1,524.8 ¥1,106.2	Min.: 1 Mult.: 1	Flyback Transformers	85 VAC to 265 VAC	12 V	3 W	250 mA	Through Hole	Dual Primary Winding	Single Secondary Winding	13.72 mm	20.45 mm	10.41 mm	MID-OLTI
Power Transformers - Board Mount WE-PPTI SN6501 340 uH 5 V SMD/SMT 125C 750313734 Wurth Elektronik 1: ¥659.4 7,472In Stock 12,000On Order	Mfr. Part # 750313734 Mouser Part # 710-750313734	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	7,472In Stock 12,000On Order On Order Ship Dates Mfr. #: 750313734 Stock: 7,472 Can Ship Immediately On Order: 9,000 Expected 2/25/2027 3,000 Expected 4/15/2027 Factory Lead-Time: 18 Weeks	Cut Tape ¥659.4 ¥616.2 ¥568.1 ¥509.9 Reel ¥461.8 View ¥380.4 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	Power	5 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 3.3 V SMD/SMT 125C 750313769 Wurth Elektronik 1: ¥659.4 8,148In Stock	Mfr. Part # 750313769 Mouser Part # 710-750313769	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	8,148In Stock	Cut Tape ¥659.4 ¥616.2 ¥568.1 ¥509.9 Reel ¥461.8 View ¥380.4 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 475 uH 5 V SMD/SMT 125C 760390012 Wurth Elektronik 1: ¥335.5 31,077In Stock 12,000On Order	Mfr. Part # 760390012 Mouser Part # 710-760390012	Wurth Elektronik	Power Transformers - Board Mount WE-PPTI SN6501 475 uH 5 V SMD/SMT 125C Learn More about Wurth Elektronik wurth we pp transformers	Datasheet	31,077In Stock 12,000On Order On Order Ship Dates Mfr. #: 760390012 Stock: 31,077 Can Ship Immediately On Order: 6,000 Pending 6,000 Expected 1/28/2027 Factory Lead-Time: 18 Weeks	Cut Tape ¥335.5 ¥302.3 ¥274.1 ¥250.8 ¥235.9 Reel ¥209.3 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	Power	5 V	5 V	1.8 W	350 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	6.73 mm	10.05 mm	4.19 mm	WE-PPTI
Power Transformers - Board Mount WE-PPTI SN6501 475 uH 5 V SMD/SMT 125C 760390014 Wurth Elektronik 1: ¥335.5 15,408In Stock 121,200On Order	Mfr. Part # 760390014 Mouser Part # 710-760390014	Wurth Elektronik	Power Transformers - Board Mount WE-PPTI SN6501 475 uH 5 V SMD/SMT 125C Learn More about Wurth Elektronik wurth we pp transformers	Datasheet	15,408In Stock 121,200On Order On Order Ship Dates Mfr. #: 760390014 Stock: 15,408 Can Ship Immediately On Order: 58,800 Expected 11/19/2026 62,400 Expected 2/18/2027 Factory Lead-Time: 18 Weeks	Cut Tape ¥335.5 ¥302.3 ¥274.1 ¥250.8 ¥235.9 Reel ¥209.3 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	Power	5 V	5 V	1.8 W	350 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	6.73 mm	10.05 mm	4.19 mm	WE-PPTI
Power Transformers - Board Mount WE-PPTI SN6501 475 uH 3.3 V SMD/SMT 125C 760390015 Wurth Elektronik 1: ¥335.5 28,987In Stock 27,600Expected 1/26/2027	Mfr. Part # 760390015 Mouser Part # 710-760390015	Wurth Elektronik	Power Transformers - Board Mount WE-PPTI SN6501 475 uH 3.3 V SMD/SMT 125C Learn More about Wurth Elektronik wurth we pp transformers	Datasheet	28,987In Stock 27,600Expected 1/26/2027	Cut Tape ¥335.5 ¥302.3 ¥274.1 ¥250.8 ¥235.9 Reel ¥209.3 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	Power	3.3 V	5 V	1.8 W	350 mA	SMD/SMT	Dual Primary Winding	Dual Secondary Winding	6.73 mm	10.05 mm	4.19 mm	WE-PPTI
Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W 750310562 Wurth Elektronik 1: ¥1,009.9 477In Stock	Mfr. Part # 750310562 Mouser Part # 710-750310562	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	477In Stock	Cut Tape ¥1,009.9 ¥936.8 Reel ¥720.9 MouseReel Available	Min.: 1 Mult.: 1 : 250	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 MID-FLYLT LT8300 400 uH 2 W 750311019 Wurth Elektronik 1: ¥875.3 683In Stock	Mfr. Part # 750311019 Mouser Part # 710-750311019	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	683In Stock	Cut Tape ¥875.3 ¥812.2 Reel ¥624.5 MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	35 V to 75 V	3.3 V	2 W	600 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 LT3574 3 uH 12 W 750311308 Wurth Elektronik 1: ¥1,204.2 428In Stock	Mfr. Part # 750311308 Mouser Part # 710-750311308	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3574 3 uH 12 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	428In Stock	Cut Tape ¥1,204.2 ¥1,088 ¥1,043.1 ¥1,011.5 Reel ¥936.8 View ¥980 ¥890.3 ¥882 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	36 V	24 V	12 W	500 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	15.24 mm	13.34 mm	11.43 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3748 50 uH 20 W 750311423 Wurth Elektronik 1: ¥1,202.6 320In Stock	Mfr. Part # 750311423 Mouser Part # 710-750311423	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	320In Stock	Cut Tape ¥1,202.6 ¥1,126.2 ¥1,018.2 Reel ¥988.3 ¥923.5 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 LT3575 25 uH 10 W 750311675 Wurth Elektronik 1: ¥1,445.1 408In Stock	Mfr. Part # 750311675 Mouser Part # 710-750311675	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3575 25 uH 10 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	408In Stock	Cut Tape ¥1,445.1 ¥1,333.8 ¥1,222.5 ¥1,111.2 Reel ¥991.6 View ¥921.9 ¥887 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	9 V to 30 V	5 V	10 W	2 A	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 LT3748 400 uH 45 W 750311771 Wurth Elektronik 1: ¥2,385.2 602In Stock 1,000Expected 12/10/2026	Mfr. Part # 750311771 Mouser Part # 710-750311771	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 400 uH 45 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	602In Stock 1,000Expected 12/10/2026	Cut Tape ¥2,385.2 ¥2,234 ¥2,137.7 Reel ¥1,943.4 ¥1,749 MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	157 V to 629 VAC	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 20 uH 60 W 750311783 Wurth Elektronik 1: ¥2,385.2 240In Stock	Mfr. Part # 750311783 Mouser Part # 710-750311783	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 20 uH 60 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	240In Stock	Cut Tape ¥2,385.2 ¥2,234 ¥2,137.7 Reel ¥1,943.4 ¥1,749 MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	19 V to 70 V	24 V	60 W	2.5 A	SMD/SMT	Dual Primary Winding	Triple Secondary Winding	27.03 mm	32.31 mm	13.69 mm	WE-FB
Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W 750311838 Wurth Elektronik 1: ¥647.8 1,110In Stock	Mfr. Part # 750311838 Mouser Part # 710-750311838	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1,110In Stock	Cut Tape ¥647.8 ¥586.3 ¥546.5 ¥529.9 Reel ¥504.9 View ¥465.1 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	Flyback Transformers	36 V to 72 V	15 V, 15 V	2.1 W	70 mA, 70 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	9.78 mm	9.14 mm	10.54 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W 750312365 Wurth Elektronik 1: ¥589.7 667In Stock	Mfr. Part # 750312365 Mouser Part # 710-750312365	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	667In Stock	Cut Tape ¥589.7 ¥395.3 Reel ¥395.3 MouseReel Available	Min.: 1 Mult.: 1 : 400	POE - Power Over Ethernet Transformers	30 V to 72 V	12 V	3.6 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 1.7 W 750312367 Wurth Elektronik 1: ¥604.6 714In Stock	Mfr. Part # 750312367 Mouser Part # 710-750312367	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	714In Stock	Cut Tape ¥604.6 ¥568.1 ¥511.6 Reel ¥458.4 ¥395.3 MouseReel Available	Min.: 1 Mult.: 1 : 400	Flyback Transformers	22 V to 72 V	3.3 V	1.7 W	500 mA	SMD/SMT	Dual Primary Winding	Single Secondary Winding	10.16 mm	13.36 mm	8.64 mm	MID-FLYLT