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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 (IDR) 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 456uH Isolation Power Transformer PH9084.021NLT Pulse Electronics 1: Rp48.800 1.975In Stock	Mfr. Part No. PH9084.021NLT Mouser Part No 673-PH9084.021NLT	Pulse Electronics	Power Transformers - Board Mount 456uH Isolation Power Transformer Learn More about Pulse Electronics pulse high isolation transformers	Datasheet	1.975In Stock	Cut Tape Rp48.800 Rp44.030 Rp40.178 Rp39.077 View Reel Rp30.821 Rp37.793 Rp36.875 Rp35.958 Rp30.821 MouseReel Available	Min.: 1 Mult.: 1 : 1.000				1 W		SMD/SMT	Dual Primary Winding	Dual Secondary Winding	8.2 mm	6.6 mm	5.35 mm	PH9084.XXXNLT
Power Transformers - Board Mount WE-PoE Size ER11/5 400uH 98mohm 749119150 Wurth Elektronik 1: Rp121.634 553In Stock	Mfr. Part No. 749119150 Mouser Part No 710-749119150	Wurth Elektronik	Power Transformers - Board Mount WE-PoE Size ER11/5 400uH 98mohm Learn More about Wurth Elektronik we PoE transformers	Datasheet	553In Stock	Cut Tape Rp121.634 Rp110.626 Rp100.536 Rp91.363 Reel Rp78.888 MouseReel Available	Min.: 1 Mult.: 1 : 500	POE - Power Over Ethernet Transformers	36 V to 57 V	5 V	4 W	270 mA	SMD/SMT	Single Primary Winding	Triple Secondary Winding	12.9 mm	13 mm	6.2 mm	WE-PoE
Power Transformers - Board Mount WE-PoEH High Power EPQ13 41uH 36W 7491195112 Wurth Elektronik 1: Rp135.577 476In Stock	Mfr. Part No. 7491195112 Mouser Part No 710-7491195112	Wurth Elektronik	Power Transformers - Board Mount WE-PoEH High Power EPQ13 41uH 36W Learn More about Wurth Elektronik we PoE transformers	Datasheet	476In Stock	Cut Tape Rp135.577 Rp128.055 Reel Rp88.795 Rp74.852 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-FLEX Flexible Transformer for DC/DC Converter 749196121 Wurth Elektronik 1: Rp113.929 980In Stock	Mfr. Part No. 749196121 Mouser Part No 710-749196121	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter	Datasheet	980In Stock	Cut Tape Rp113.929 Rp102.371 Rp90.996 Rp79.622 Reel Rp68.431	Min.: 1 Mult.: 1 : 500												WE-FLEX
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.3uH 1.09A 749196331 Wurth Elektronik 1: Rp137.045 280In Stock	Mfr. Part No. 749196331 Mouser Part No 710-749196331	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.3uH 1.09A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	280In Stock	Cut Tape Rp137.045 Rp127.688 Reel Rp121.084 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 3.4uH 4.18A 749196540 Wurth Elektronik 1: Rp174.287 323In Stock	Mfr. Part No. 749196540 Mouser Part No 710-749196540	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 3.4uH 4.18A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	323In Stock	Cut Tape Rp174.287 Rp132.275 Rp118.332 Reel Rp96.317	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 WE-FB LT3750 10 uH 36 W 750032050 Wurth Elektronik 1: Rp216.116 313In Stock	Mfr. Part No. 750032050 Mouser Part No 710-750032050	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3750 10 uH 36 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	313In Stock	Cut Tape Rp216.116 Rp199.421 Rp182.910 Rp166.215 Reel Rp166.215 View Rp137.045 Rp120.533 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	3 V to 24 V	300 V	36 W	120 mA	SMD/SMT	Single Primary Winding	Single Secondary Winding	18.01 mm	23.11 mm	9.4 mm	WE-FB
Power Transformers - Board Mount WE-FB LT3751 10 uH 750032052 Wurth Elektronik 1: Rp198.871 2.018In Stock	Mfr. Part No. 750032052 Mouser Part No 710-750032052	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3751 10 uH Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	2.018In Stock	Cut Tape Rp198.871 Rp186.395 Rp178.140 Reel Rp161.995 Rp145.851 MouseReel Available	Min.: 1 Mult.: 1 : 125	Flyback Transformers					SMD/SMT	Single Primary Winding	Single Secondary Winding	28.7 mm	21.97 mm	11.43 mm	WE-FB
Power Transformers - Board Mount WE-POE LT4276 38 uH 25.2 W 750310742 Wurth Elektronik 1: Rp87.510 1.018In Stock	Mfr. Part No. 750310742 Mouser Part No 710-750310742	Wurth Elektronik	Power Transformers - Board Mount WE-POE LT4276 38 uH 25.2 W Learn More about Wurth Elektronik we PoE transformers	Datasheet	1.018In Stock	Cut Tape Rp87.510 Rp81.273 Rp75.035 Rp68.798 Reel Rp62.560 Rp51.552 MouseReel Available	Min.: 1 Mult.: 1 : 200	POE - Power Over Ethernet 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-POE
Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 2 W 750311019 Wurth Elektronik 1: Rp96.683 683In Stock	Mfr. Part No. 750311019 Mouser Part No 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 Rp96.683 Rp89.712 Reel Rp68.981 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 MID-POETI TPS23754 100 uH 30 W 750311320 Wurth Elektronik 1: Rp77.420 949In Stock	Mfr. Part No. 750311320 Mouser Part No 710-750311320	Wurth Elektronik	Power Transformers - Board Mount MID-POETI TPS23754 100 uH 30 W Learn More about Wurth Elektronik we PoE transformers	Datasheet	949In Stock	Cut Tape Rp77.420 Rp72.650 Reel Rp60.909 Rp57.973 MouseReel Available	Min.: 1 Mult.: 1 : 200	POE - Power Over Ethernet Transformers	33 V to 57 V	12 V	30 W	2.5 A	SMD/SMT	Single Primary Winding	Dual Secondary Winding	13.46 mm	17.75 mm	12.7 mm	MID-POETI
Power Transformers - Board Mount WE-FB LT3748 50 uH 20 W 750311423 Wurth Elektronik 1: Rp132.825 571In Stock	Mfr. Part No. 750311423 Mouser Part No 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	571In Stock	Cut Tape Rp132.825 Rp124.386 Rp112.461 Reel Rp109.159 Rp102.004 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: Rp159.610 412In Stock	Mfr. Part No. 750311675 Mouser Part No 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	412In Stock	Cut Tape Rp159.610 Rp147.318 Rp135.027 Rp122.735 Reel Rp109.526 View Rp101.820 Rp97.968 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: Rp263.449 603In Stock 1.000Expected 10/12/2026	Mfr. Part No. 750311771 Mouser Part No 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	603In Stock 1.000Expected 10/12/2026	Cut Tape Rp263.449 Rp246.754 Rp236.113 Reel Rp214.648 Rp193.183 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: Rp263.449 1.015In Stock	Mfr. Part No. 750311783 Mouser Part No 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	1.015In Stock	Cut Tape Rp263.449 Rp246.754 Rp236.113 Reel Rp214.648 Rp193.183 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-IBTI TPS55010RTER 2.5 uH 1 W 750311880 Wurth Elektronik 1: Rp66.413 1.111In Stock	Mfr. Part No. 750311880 Mouser Part No 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	1.111In Stock	Cut Tape Rp66.413 Rp58.340 Rp49.901 Reel Rp49.901 Rp45.865 View Rp41.645 Quote	Min.: 1 Mult.: 1 : 300	Flyback Transformers	3 V to 6 V	5 V	1 W	200 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	9.78 mm	9.14 mm	10.54 mm	MID-IBTI
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W 750312365 Wurth Elektronik 1: Rp65.128 677In Stock	Mfr. Part No. 750312365 Mouser Part No 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	677In Stock	Cut Tape Rp65.128 Rp43.663 Reel Rp43.663 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: Rp66.779 734In Stock	Mfr. Part No. 750312367 Mouser Part No 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	734In Stock	Cut Tape Rp66.779 Rp62.743 Rp56.506 Reel Rp50.635 Rp43.663 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
Power Transformers - Board Mount MID-POELT LT4276 37 uH 23 W 750313082 Wurth Elektronik 1: Rp125.854 Lead-Time 15 Weeks	Mfr. Part No. 750313082 Mouser Part No 710-750313082	Wurth Elektronik	Power Transformers - Board Mount MID-POELT LT4276 37 uH 23 W Learn More about Wurth Elektronik we PoE transformers	Datasheet	Lead-Time 15 Weeks	Cut Tape Rp125.854 Rp108.975 Rp105.673 Rp102.371 Reel Rp99.068 View Rp94.298 Rp89.162	Min.: 1 Mult.: 1 : 200	POE - Power Over Ethernet Transformers	40 V to 57 V	5 V	23 W	4.6 A	SMD/SMT	Dual Primary Winding	Single Secondary Winding	13.46 mm	17.75 mm	12.7 mm	MID-POELT
Power Transformers - Board Mount MID-POETI TPS2379 100 uH 60 W 750313355 Wurth Elektronik 1: Rp111.727 483In Stock	Mfr. Part No. 750313355 Mouser Part No 710-750313355	Wurth Elektronik	Power Transformers - Board Mount MID-POETI TPS2379 100 uH 60 W Learn More about Wurth Elektronik we PoE transformers	Datasheet	483In Stock	Cut Tape Rp111.727 Rp105.123 Rp89.712 Reel Rp89.712 Rp83.841 MouseReel Available	Min.: 1 Mult.: 1 : 110	POE - Power Over Ethernet Transformers	36 V to 72 V	12 V	60 W	5 A	SMD/SMT	Single Primary Winding	Single Secondary Winding	23.11 mm	29.08 mm	11.43 mm	MID-POETI
Power Transformers - Board Mount WE-PPTI SN6501 340 uH 3.3 V SMD/SMT 125C 750313626 Wurth Elektronik 1: Rp74.668 6.537In Stock 3.000Expected 19/11/2026	Mfr. Part No. 750313626 Mouser Part No 710-750313626	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	6.537In Stock 3.000Expected 19/11/2026	Cut Tape Rp74.668 Rp69.898 Rp64.578 Rp58.157 Reel Rp52.836 View Rp43.847 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 MID-FLYLT LT8301 40 uH 2.8 W 750313972 Wurth Elektronik 1: Rp107.508 2.000In Stock 3.750On Order	Mfr. Part No. 750313972 Mouser Part No 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	2.000In Stock 3.750On Order On Order Ship Dates Mfr. No: 750313972 Stock: 2.000 Can Dispatch Immediately On Order: 1.000 Expected 22/10/2026 2.750 Expected 08/04/2027 Factory Lead Time: 14 Weeks	Cut Tape Rp107.508 Rp99.435 Rp90.446 Rp82.190 Reel Rp74.668 View Rp67.880 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	18 V to 42 V	5 V, 5 V	2.8 W	275 mA, 275 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	15.24 mm	13.34 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.6 W 750313974 Wurth Elektronik 1: Rp96.317 1.040In Stock	Mfr. Part No. 750313974 Mouser Part No 710-750313974	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.6 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1.040In Stock	Cut Tape Rp96.317 Rp89.162 Rp81.089 Rp73.751 Reel Rp66.963 Rp60.909 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 32 V	5 V, 5 V	3.6 W	360 mA, 360 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	15.24 mm	13.34 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W 750313975 Wurth Elektronik 1: Rp96.317 1.000In Stock 1.250Expected 18/02/2027	Mfr. Part No. 750313975 Mouser Part No 710-750313975	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1.000In Stock 1.250Expected 18/02/2027	Cut Tape Rp96.317 Rp89.162 Rp81.089 Rp73.751 Reel Rp66.963 Rp60.909 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	8 V to 32 V	24 V, 24 V	3.4 W	70 mA, 70 mA	SMD/SMT	Single Primary Winding	Dual Secondary Winding	15.24 mm	13.34 mm	11.43 mm	MID-FLYLT
Power Transformers - Board Mount MID-POELT LT4295 37 uH 24 W 750314782 Wurth Elektronik 1: Rp111.177 1.169In Stock	Mfr. Part No. 750314782 Mouser Part No 710-750314782	Wurth Elektronik	Power Transformers - Board Mount MID-POELT LT4295 37 uH 24 W Learn More about Wurth Elektronik we PoE transformers	Datasheet	1.169In Stock	Cut Tape Rp111.177 Rp103.105 Rp95.216 Rp87.327 Reel Rp79.438 Rp65.495 MouseReel Available	Min.: 1 Mult.: 1 : 200	POE - Power Over Ethernet Transformers	40 V to 57 V	24 V	24 W	1 A	SMD/SMT	Dual Primary Winding	Single Secondary Winding	13.46 mm	17.75 mm	12.7 mm	MID-POELT