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WE-FB Flyback Transformers

Würth Elektronik WE-FB Flyback Transformers provide a straightforward design solution, requiring fewer external components and occupying minimal board space. These cost-effective transformers are compatible with multiple Linear Technologies (LT) chipsets, ensuring reliable voltage control over the long term. With an isolation voltage of up to 2.5kV, Würth Elektronik WE-FB Flyback Transformers deliver sustained performance and safety.

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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-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
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 12/3/2026 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
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W 750312557 Wurth Elektronik 1: ¥622.9 398In 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	398In Stock	Cut Tape ¥622.9 ¥578 Reel ¥445.1 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
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
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
Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.6 W 750313457 Wurth Elektronik 1: ¥687.7 5In Stock 3,250Expected 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 3,250Expected 4/8/2027	Cut Tape ¥687.7 ¥636.2 ¥578 ¥524.9 Reel ¥478.4 ¥433.5 MouseReel Available	Min.: 1 Mult.: 1 : 250
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
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 11/16/2026 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
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
Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL 750314226 Wurth Elektronik 1: ¥1,006.6 50In Stock 250Expected 12/3/2026	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	50In Stock 250Expected 12/3/2026	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
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.3 W 750315825 Wurth Elektronik 1: ¥460.1 20In Stock 400Expected 2/4/2027	Mfr. Part # 750315825 Mouser Part # 710-750315825	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.3 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	20In Stock 400Expected 2/4/2027	Cut Tape ¥460.1 ¥436.8 Reel ¥337.2 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W 750315827 Wurth Elektronik 1: ¥408.6 381In Stock	Mfr. Part # 750315827 Mouser Part # 710-750315827	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	381In Stock	Cut Tape ¥408.6 ¥387 Reel ¥299 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W 750315829 Wurth Elektronik 1: ¥408.6 329In Stock 2,800On Order	Mfr. Part # 750315829 Mouser Part # 710-750315829	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	329In Stock 2,800On Order On Order Ship Dates Mfr. #: 750315829 Stock: 329 Can Ship Immediately On Order: 1,200 Expected 11/19/2026 1,600 Expected 3/4/2027 Factory Lead-Time: 19 Weeks	Cut Tape ¥408.6 ¥387 ¥327.2 Reel ¥299 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W 750315834 Wurth Elektronik 1: ¥408.6 35In Stock	Mfr. Part # 750315834 Mouser Part # 710-750315834	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	35In Stock	Cut Tape ¥408.6 ¥387 Reel ¥299 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W 750315837 Wurth Elektronik 1: ¥538.2 164In Stock 200Expected 1/28/2027	Mfr. Part # 750315837 Mouser Part # 710-750315837	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	164In Stock 200Expected 1/28/2027	Cut Tape ¥538.2 ¥511.6 ¥488.3 ¥463.4 Reel ¥463.4 ¥415.3	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount WE-FB SMD Flyback On REFDsgn LM3481 TI 750316152 Wurth Elektronik 1: ¥2,649.3 41In Stock	Mfr. Part # 750316152 Mouser Part # 710-750316152	Wurth Elektronik	Power Transformers - Board Mount WE-FB SMD Flyback On REFDsgn LM3481 TI Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	41In Stock	Cut Tape ¥2,649.3 ¥2,445 Reel ¥2,445 ¥1,680.9 MouseReel Available	Min.: 1 Mult.: 1 : 100
Power Transformers - Board Mount MID-FLYADI ADP1031 150 uH 1.1 W 750316566 Wurth Elektronik 1: ¥1,727.4 200In Stock	Mfr. Part # 750316566 Mouser Part # 710-750316566	Wurth Elektronik	Power Transformers - Board Mount MID-FLYADI ADP1031 150 uH 1.1 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	200In Stock	Cut Tape ¥1,727.4 ¥1,594.6 ¥1,461.7 ¥1,328.8 Reel ¥1,096.3 ¥963.4 MouseReel Available	Min.: 1 Mult.: 1 : 675
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
Power Transformers - Board Mount WE-FB Flyback 5uH 500VAC 750311268 Wurth Elektronik 1: ¥1,199.2 17In Stock	Mfr. Part # 750311268 Mouser Part # 710-750311268	Wurth Elektronik	Power Transformers - Board Mount WE-FB Flyback 5uH 500VAC Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	17In Stock	Cut Tape ¥1,199.2 ¥1,106.2 Reel ¥1,106.2 ¥760.7 MouseReel Available	Min.: 1 Mult.: 1 : 300
Power Transformers - Board Mount MID-FLYLT LT3512 175 uH 2 W 750311559 Wurth Elektronik 1: ¥760.7 229In Stock	Mfr. Part # 750311559 Mouser Part # 710-750311559	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT3512 175 uH 2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	229In Stock	Cut Tape ¥760.7 ¥705.9 Reel ¥543.1 MouseReel Available	Min.: 1 Mult.: 1 : 300
Power Transformers - Board Mount WE-FB LT3512 151 uH 6.24 W 750311662 Wurth Elektronik 1: ¥1,372 237In Stock	Mfr. Part # 750311662 Mouser Part # 710-750311662	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3512 151 uH 6.24 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	237In Stock	Cut Tape ¥1,372 ¥1,265.7 ¥1,161 ¥1,054.7 Reel ¥1,054.7 View ¥870.4 ¥764.1 MouseReel Available	Min.: 1 Mult.: 1 : 300
Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W 750314462 Wurth Elektronik 1: ¥792.3 8In Stock	Mfr. Part # 750314462 Mouser Part # 710-750314462	Wurth Elektronik	Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	8In Stock	Cut Tape ¥792.3 ¥732.5 Reel ¥551.5 MouseReel Available	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount WE-FB LT3748 9.07 uH 15 W 750311564 Wurth Elektronik 1: ¥702.6 295In Stock 8,800On 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	295In Stock 8,800On Order On Order Ship Dates Mfr. #: 750311564 Stock: 295 Can Ship Immediately On Order: 2,600 Expected 11/16/2026 600 Expected 11/18/2026 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 MID-FLYLT LT8302 9 uH 9 W 750313443 Wurth Elektronik 1: ¥687.7 6,750On Order	Mfr. Part # 750313443 Mouser Part # 710-750313443	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 9 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	6,750On Order On Order Ship Dates Mfr. #: 750313443 Stock: 0 On Order: 500 Expected 2/18/2027 1,750 Expected 3/9/2027 4,500 Expected 4/22/2027 Factory Lead-Time: 19 Weeks	Cut Tape ¥687.7 ¥636.2 ¥578 ¥524.9 Reel ¥478.4 ¥433.5 MouseReel Available	Min.: 1 Mult.: 1 : 250
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 2.8 W 750313972 Wurth Elektronik 1: ¥973.3 13,000On 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	13,000On Order On Order Ship Dates Mfr. #: 750313972 Stock: 0 On Order: 2,250 Expected 1/28/2027 8,000 Expected 3/11/2027 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

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WE-FB Flyback Transformers

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