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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-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	Flyback Transformers	9 V to 16 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-OLLT LT3799 ER28/14 80W THT 750312646 Wurth Elektronik 1: ¥1,838.7 42In Stock	Mfr. Part # 750312646 Mouser Part # 710-750312646	Wurth Elektronik	Power Transformers - Board Mount MID-OLLT LT3799 ER28/14 80W THT	Datasheet	42In Stock	¥1,838.7 ¥1,657.7 ¥1,553 ¥1,476.6 View ¥1,430.1 ¥1,385.3 ¥1,340.4	Min.: 1 Mult.: 1												MID-OLLT
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	Flyback Transformers	16 V to 36 V	- 12 V, 5 V, 12 V	1.5 W	40 mA, 40 mA, 100 mA	SMD/SMT	Single Primary Winding	Triple Secondary Winding	12.95 mm	12.7 mm	5.98 mm	MID-IBTI
Power Transformers - Board Mount MID-OLSTM Viper17HD EE16/7/5 5.1W THT 750817436 Wurth Elektronik 1: ¥1,134.5 19In Stock	Mfr. Part # 750817436 Mouser Part # 710-750817436	Wurth Elektronik	Power Transformers - Board Mount MID-OLSTM Viper17HD EE16/7/5 5.1W THT	Datasheet	19In Stock	¥1,134.5 ¥981.7 ¥896.9 ¥880.3 View ¥853.8 ¥825.5	Min.: 1 Mult.: 1												MID-OLSTM
Power Transformers - Board Mount Flyback Transformer for LT8316 11328-T061 Sumida 1: ¥1,066.4 81In Stock	Mfr. Part # 11328-T061 Mouser Part # 851-11328-T061	Sumida	Power Transformers - Board Mount Flyback Transformer for LT8316 Learn More about Sumida flyback transformers lt8316	Datasheet	81In Stock	¥1,066.4 ¥838.8 ¥802.3 ¥780.7 View ¥755.8 ¥725.9 ¥702.6 ¥681 ¥654.4	Min.: 1 Mult.: 1	Flyback Transformers					Through Hole	Dual Primary Winding	Single Secondary Winding	31 mm	28 mm	23.5 mm
Power Transformers - Board Mount POE Flyback Xfmr 3W PoE 3.3Vout TGP3-S009EP7LF HALO Electronics 1: ¥863.7 46In Stock	Mfr. Part # TGP3-S009EP7LF Mouser Part # 493-TGP3-S009EP7LF	HALO Electronics	Power Transformers - Board Mount POE Flyback Xfmr 3W PoE 3.3Vout Learn More about HALO Electronics halo dc dc transformers	Datasheet	46In Stock	¥863.7 ¥559.8 ¥456.8 ¥368.7 View ¥310.6 ¥267.4 ¥255.8 ¥247.5	Min.: 1 Mult.: 1	POE - Power Over Ethernet Transformers		3.3 V	3 W		SMD/SMT	Single Primary Winding	Single Secondary Winding	10.67 mm	8.13 mm	10.54 mm	PWR-DCDC
Power Transformers - Board Mount TRANSFORMER POWER DPC-2 DPC-56-180 Bel Signal Transformer 1: ¥3,516.3 32In Stock	Mfr. Part # DPC-56-180 Mouser Part # 530-DPC-56-180	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER POWER DPC-2 Learn More about Bel Signal Transformer signal transformer pc mount transformers	Datasheet	32In Stock	¥3,516.3 ¥3,167.5 ¥3,057.9 ¥2,597.8 View ¥2,592.8 ¥2,538 ¥2,509.8 Quote	Min.: 1 Mult.: 1		115 VAC, 230 VAC	56 V CT/28 V	10 VA	180 mA/360 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	47.6 mm	36.5 mm	41.27 mm	PC
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 87.1uH .08A 749196507 Wurth Elektronik 1: ¥1,998.2 42In Stock	Mfr. Part # 749196507 Mouser Part # 710-749196507	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 87.1uH .08A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	42In Stock	Cut Tape ¥1,998.2 ¥1,722.5 Reel ¥1,641.1 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-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 372In 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	372In 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 WE-PoE EFD20 73W SMT 750319036 Wurth Elektronik 1: ¥2,091.2 133In Stock	Mfr. Part # 750319036 Mouser Part # 710-750319036	Wurth Elektronik	Power Transformers - Board Mount WE-PoE EFD20 73W SMT Learn More about Wurth Elektronik we PoE transformers	Datasheet	133In Stock	Cut Tape ¥2,091.2 ¥1,769 ¥1,609.5 ¥1,541.4 Reel ¥1,541.4 View ¥1,242.4 ¥1,227.5 MouseReel Available	Min.: 1 Mult.: 1 : 110	POE - Power Over Ethernet Transformers					SMD/SMT	Dual Primary Winding	Single Secondary Winding	21.8 mm	26.2 mm	11.43 mm	WE-PoE
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 POE Flyback Xfmr 3W 3.3Vout TGP3-S005EP7LF HALO Electronics 1: ¥863.7 300In Stock	Mfr. Part # TGP3-S005EP7LF Mouser Part # 493-TGP3-S005EP7LF	HALO Electronics	Power Transformers - Board Mount POE Flyback Xfmr 3W 3.3Vout Learn More about HALO Electronics halo dc dc transformers	Datasheet	300In Stock	¥863.7 ¥559.8 ¥456.8 ¥368.7 View ¥310.6 ¥267.4 ¥255.8 ¥247.5	Min.: 1 Mult.: 1	POE - Power Over Ethernet Transformers		3.3 V			SMD/SMT	Single Primary Winding	Dual Secondary Winding	10.67 mm	8.13 mm	10.54 mm	PWR-DCDC
Power Transformers - Board Mount TRANSFORMER POWER DPC-2 DPC-16-640 Bel Signal Transformer 1: ¥3,705.7 39In Stock	Mfr. Part # DPC-16-640 Mouser Part # 530-DPC-16-640	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER POWER DPC-2 Learn More about Bel Signal Transformer signal transformer pc mount transformers	Datasheet	39In Stock	¥3,705.7 ¥3,338.6 ¥3,222.3 ¥2,737.3 View ¥2,729 ¥2,669.2 ¥2,637.7 Quote	Min.: 1 Mult.: 1		115 VAC, 230 VAC	16 V CT/8 V	10 VA	640 mA/1.28 A	Through Hole	Dual Primary Winding	Dual Secondary Winding	47.6 mm	36.5 mm	41.27 mm	PC
Power Transformers - Board Mount TRANSFORMER POWER PC-5 PC-16-1500 Bel Signal Transformer 1: ¥4,536.2 21In Stock	Mfr. Part # PC-16-1500 Mouser Part # 530-PC-16-1500	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER POWER PC-5 Learn More about Bel Signal Transformer signal transformer pc mount transformers	Datasheet	21In Stock	¥4,536.2 ¥4,087.7 ¥3,768.8 ¥3,425 ¥3,423.3	Min.: 1 Mult.: 1		115 VAC	16 V CT/8 V	24 VA	1.5 A/3 A	Through Hole	Single Primary Winding	Dual Secondary Winding	41.3 mm	57.2 mm	34.93 mm	PC
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-3 ST-3-20 Bel Signal Transformer 1: ¥1,973.3 59In Stock	Mfr. Part # ST-3-20 Mouser Part # 530-ST-3-20	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-3 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	59In Stock	¥1,973.3 ¥1,677.6 ¥1,609.5 ¥1,559.7 View ¥1,315.5 ¥1,312.2 ¥1,300.6	Min.: 1 Mult.: 1	Class 2 Transformers	115 VAC	20 V CT/10 V	2.4 VA	120 mA/240 mA	Through Hole	Single Primary Winding	Dual Secondary Winding	34.9 mm	28.6 mm	30.8 mm	ST
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 ST-5-12 Bel Signal Transformer 1: ¥3,087.8 37In Stock	Mfr. Part # ST-5-12 Mouser Part # 530-ST-5-12	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	37In Stock	¥3,087.8 ¥2,734 ¥2,323.7 ¥2,215.8 View ¥2,187.5 ¥2,165.9 Quote	Min.: 1 Mult.: 1	Class 2 Transformers	115 VAC	12.6 V CT/6.3 V	12 VA	1 A/2 A	Through Hole	Single Primary Winding	Dual Secondary Winding	48.4 mm	40.4 mm	36.9 mm	ST
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 6.6uH 1.6A 749196248 Wurth Elektronik 1: ¥1,622.8 246In Stock	Mfr. Part # 749196248 Mouser Part # 710-749196248	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 6.6uH 1.6A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	246In Stock	Cut Tape ¥1,622.8 ¥1,461.7 ¥1,298.9 ¥1,190.9 Reel ¥1,189.3 MouseReel Available	Min.: 1 Mult.: 1 : 400	Signal Transformers					SMD/SMT	Triple Primary Winding	Triple Secondary Winding	16.3 mm	12 mm	7.4 mm	WE-FLEX HV
Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W 750311593 Wurth Elektronik 1: ¥2,385.2 138In Stock	Mfr. Part # 750311593 Mouser Part # 710-750311593	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	138In Stock	Cut Tape ¥2,385.2 ¥2,234 Reel ¥2,234 ¥1,749 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 100	Flyback Transformers	30 V to 75 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 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 Flyback Transformer for LT8316 11328-T080 Sumida 1: ¥1,225.8 246In Stock 1,050On Order	Mfr. Part # 11328-T080 Mouser Part # 851-11328-T080	Sumida	Power Transformers - Board Mount Flyback Transformer for LT8316 Learn More about Sumida flyback transformers lt8316	Datasheet	246In Stock 1,050On Order On Order Ship Dates Mfr. #: 11328-T080 Stock: 246 Can Ship Immediately On Order: 672 Expected 11/2/2026 378 Expected 11/5/2026 Factory Lead-Time: 26 Weeks	¥1,225.8 ¥963.4 ¥920.2 ¥895.3 View ¥868.7 ¥767.4	Min.: 1 Mult.: 1	Flyback Transformers					Through Hole	Dual Primary Winding	Single Secondary Winding	31 mm	28 mm	23.5 mm
Power Transformers - Board Mount 40uH 5V/3A 12V/1.25A 30W B82802A0030A220 TDK 1: ¥908.6 56In Stock	Mfr. Part # B82802A0030A220 Mouser Part # 871-B82802A30A220	TDK	Power Transformers - Board Mount 40uH 5V/3A 12V/1.25A 30W Learn More about TDK epcosb82802a	Datasheet	56In Stock	Cut Tape ¥908.6 ¥727.5 ¥699.3 ¥677.7 Reel ¥611.2 View ¥656.1 ¥589.7 ¥578 ¥563.1 MouseReel Available	Min.: 1 Mult.: 1 : 160												B82802A
Power Transformers - Board Mount POE transformer, 25W, EFD20, 5V POE025-FD20050S Bourns 1: ¥882 488In Stock	Mfr. Part # POE025-FD20050S Mouser Part # 652-POE025-FD20050S	Bourns	Power Transformers - Board Mount POE transformer, 25W, EFD20, 5V Learn More about Bourns poe dcdc transformers	Datasheet	488In Stock	Cut Tape ¥882 ¥722.5 ¥593 ¥574.7 Reel ¥553.1 View ¥558.1 ¥548.1 ¥531.5 ¥470.1 MouseReel Available	Min.: 1 Mult.: 1 : 300	POE - Power Over Ethernet Transformers	5 V				SMD/SMT						POE-FD
Power Transformers - Board Mount WE-UNIT Offline 175uH .85A 26Ohm 749118205 Wurth Elektronik 1: ¥1,343.7 121In Stock	Mfr. Part # 749118205 Mouser Part # 710-749118205	Wurth Elektronik	Power Transformers - Board Mount WE-UNIT Offline 175uH .85A 26Ohm Learn More about Wurth Elektronik wurthWEUNITTransformer	Datasheet	121In Stock	¥1,343.7 ¥1,181 ¥1,117.9 ¥993.3 ¥988.3	Min.: 1 Mult.: 1	Power	85 VAC to 265 VAC	5 V	9 W	600 mA	Through Hole	Single Primary Winding	Single Secondary Winding	18 mm	16.5 mm	18 mm	WE-UNIT