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Transformers

Würth Elektronik Transformers feature power transformers for AC/DC, DC/DC, data/signal, battery management systems (BMS), and interfaces. Additional transformer solutions are gate drive and current sense transformers. These Würth power transformers feature several topologies, including flyback, push-pull, isolated buck, forward, and half-bridge. Würth Elektronik transformers are ideal for power electronics, LED lighting, signal applications, white goods, and more.

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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.
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
Power Transformers - Board Mount WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH 750032051 Wurth Elektronik 1: ¥1,195.9 225In Stock	Mfr. Part # 750032051 Mouser Part # 710-750032051	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	225In Stock	Cut Tape ¥1,195.9 ¥1,034.8 ¥1,003.2 Reel ¥961.7 ¥913.6 View ¥878.7 ¥865.4 MouseReel Available	Min.: 1 Mult.: 1 : 125
Audio Transformers / Signal Transformers WE-AMT Trnsfmr 30uH .350Ohm 750082154 Wurth Elektronik 1: ¥131.2 1,423In Stock 6,000Expected 12/24/2026	Mfr. Part # 750082154 Mouser Part # 710-750082154	Wurth Elektronik	Audio Transformers / Signal Transformers WE-AMT Trnsfmr 30uH .350Ohm Learn More about Wurth Elektronik wurth electronics signal transformers	Datasheet	1,423In Stock 6,000Expected 12/24/2026	Cut Tape ¥131.2 ¥130.6 ¥122.2 ¥110.1 ¥97.8 Reel ¥97.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
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
Power Transformers - Board Mount WE-FB LT3573 63 uH 10 W 750310564 Wurth Elektronik 1: ¥833.8 196In 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	196In Stock	Cut Tape ¥833.8 ¥774 ¥654.4 Reel ¥594.6 ¥491.7 MouseReel Available	Min.: 1 Mult.: 1 : 250
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
Power Transformers - Board Mount WE-FB LT3574 3 uH 12 W 750311308 Wurth Elektronik 1: ¥1,141.1 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 ¥1,141.1 ¥1,029.8 ¥988.3 ¥958.4 Reel ¥888.6 View ¥928.5 ¥845.4 ¥812.2 MouseReel Available	Min.: 1 Mult.: 1 : 200
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
Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W 750311424 Wurth Elektronik 1: ¥647.8 71In Stock	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	Cut Tape ¥647.8 Reel ¥468.4 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 200
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
Power Transformers - Board Mount WE-FB LT3748 15 uH 13.2 W 750311458 Wurth Elektronik 1: ¥1,317.2 45In Stock 200Expected 11/2/2026	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	45In Stock 200Expected 11/2/2026	Cut Tape ¥1,317.2 ¥1,222.5 Reel ¥940.1 MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW 750311486 Wurth Elektronik 1: ¥973.3 77In Stock 400Expected 11/12/2026	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	77In Stock 400Expected 11/12/2026	Cut Tape ¥973.3 ¥911.9 ¥872 ¥792.3 Reel ¥712.6 MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount WE-FB LT3748 9.07 uH 15 W 750311564 Wurth Elektronik 1: ¥702.6 195In Stock 9,200On Order	Mfr. Part # 750311564 Mouser Part # 710-750311564	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 9.07 uH 15 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	195In Stock 9,200On Order On Order Ship Dates Mfr. #: 750311564 Stock: 195 Can Ship Immediately On Order: 3,600 Expected 11/19/2026 2,200 Expected 5/13/2027 3,400 Expected 5/27/2027 Factory Lead-Time: 17 Weeks	Cut Tape ¥702.6 ¥661.1 ¥619.6 ¥602.9 Reel ¥602.9 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 200
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
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
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
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
Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W 750311608 Wurth Elektronik 1: ¥1,288.9 179In 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	179In Stock	Cut Tape ¥1,288.9 ¥1,197.6 Reel ¥1,197.6 ¥921.9 MouseReel Available	Min.: 1 Mult.: 1 : 125
Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W 750311624 Wurth Elektronik 1: ¥1,295.6 73In Stock 200Expected 11/2/2026	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	73In Stock 200Expected 11/2/2026	Cut Tape ¥1,295.6 ¥1,204.2 ¥1,018.2 Reel ¥925.2 ¥764.1 MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW 750311681 Wurth Elektronik 1: ¥573 355In Stock 400Expected 1/25/2027	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 1/25/2027	Cut Tape ¥573 ¥531.5 ¥495 ¥460.1 Reel ¥421.9 View ¥368.7 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount WE-FB LT3748 60 uH 150 mW 750311691 Wurth Elektronik 1: ¥973.3 450In 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	450In Stock	Cut Tape ¥973.3 ¥911.9 ¥872 ¥792.3 ¥712.6 Reel ¥712.6 MouseReel Available	Min.: 1 Mult.: 1 : 800
Power Transformers - Board Mount WE-FB LT3748 80 uH 300 mW 750311692 Wurth Elektronik 1: ¥975 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 ¥975 ¥913.6 ¥873.7 ¥794 Reel ¥714.2 MouseReel Available	Min.: 1 Mult.: 1 : 350
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
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
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 12/31/2026 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

Transformers

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Passive Components