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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 (USD) 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 MID-OLEFD EFD20 TH .8uH 1.4A 12V 7508116313 Wurth Elektronik 1: $8.32 17In Stock	Mfr. Part No. 7508116313 Mouser Part No 710-7508116313	Wurth Elektronik	Power Transformers - Board Mount MID-OLEFD EFD20 TH .8uH 1.4A 12V Learn More about Wurth Elektronik midcom wurth MID OLEFD EFD20 transformers	Datasheet	17In Stock	$8.32 $7.76 $7.41 $7.04 View $6.26 $5.24	Min.: 1 Mult.: 1	Power	85 VAC to 265 VAC	12 V, 12 V	20.4 W	850 mA, 850 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	21.5 mm	29 mm	12 mm	WE-OLEFD
Power Transformers - Board Mount 23.5uH DCR=0.23mOhms 3750VRMS2W LLC/SiC GaN Isolation PMT6709NLT Pulse Electronics 1: $4.85 700In Stock New Product	Mfr. Part No. PMT6709NLT Mouser Part No 673-PMT6709NLT New Product	Pulse Electronics	Power Transformers - Board Mount 23.5uH DCR=0.23mOhms 3750VRMS2W LLC/SiC GaN Isolation Learn More about Pulse Electronics pulse high isolation transformers	Datasheet	700In Stock	Cut Tape $4.85 $3.97 $3.26 $3.16 Reel $3.04 View $3.06 $3.02 $2.92 $2.80 MouseReel Available	Min.: 1 Mult.: 1 : 350	Power Transformer	6 V to 9 V	22 V to 28 V	2 W		PCB Mount	Single Primary Winding	Single Secondary Winding	17.2 mm	11 mm	8.5 mm	PMT
Power Transformers - Board Mount POE Flyback Xfmr 3W 3.3Vout TGP3-S005EP7LF HALO Electronics 1: $5.20 300In Stock	Mfr. Part No. TGP3-S005EP7LF Mouser Part No 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	$5.20 $3.37 $2.75 $2.22 View $1.87 $1.61 $1.54 $1.49	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: $22.31 39In Stock	Mfr. Part No. DPC-16-640 Mouser Part No 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	$22.31 $20.10 $19.40 $16.48 View $16.43 $16.07 $15.88 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: $27.31 21In Stock	Mfr. Part No. PC-16-1500 Mouser Part No 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	$27.31 $24.61 $22.69 $20.62 $20.61	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: $11.88 58In Stock	Mfr. Part No. ST-3-20 Mouser Part No 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	58In Stock	$11.88 $10.10 $9.69 $9.39 View $7.93 $7.88 $7.78 Quote	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: $18.59 37In Stock	Mfr. Part No. ST-5-12 Mouser Part No 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	$18.59 $16.46 $13.99 $13.36 View $12.94 $12.78 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: $9.77 246In Stock	Mfr. Part No. 749196248 Mouser Part No 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 $9.77 $8.80 $7.82 $7.70 Reel $6.54 $6.18 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: $14.36 130In Stock	Mfr. Part No. 750311593 Mouser Part No 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	130In Stock	Cut Tape $14.36 $13.45 Reel $13.45 $10.53 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: $11.72 125In Stock	Mfr. Part No. 750311605 Mouser Part No 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 $11.72 $10.98 Reel $9.55 $8.59 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: $5.04 67In Stock 200Expected 03/12/2026	Mfr. Part No. 750311856 Mouser Part No 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 03/12/2026	Cut Tape $5.04 $4.68 $4.32 $3.96 Reel $3.60 $2.97 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 40uH 5V/3A 12V/1.25A 30W B82802A0030A220 TDK 1: $5.47 56In Stock	Mfr. Part No. B82802A0030A220 Mouser Part No 871-B82802A30A220	TDK	Power Transformers - Board Mount 40uH 5V/3A 12V/1.25A 30W Learn More about TDK epcosb82802a	Datasheet	56In Stock	Cut Tape $5.47 $4.38 $4.21 $4.08 Reel $3.68 View $3.95 $3.55 $3.48 $3.39 MouseReel Available	Min.: 1 Mult.: 1 : 160												B82802A
Power Transformers - Board Mount TRANSFORMER POWER DPC-2 DPC-24-450 Bel Signal Transformer 1: $22.44 77In Stock	Mfr. Part No. DPC-24-450 Mouser Part No 530-DPC-24-450	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER POWER DPC-2 Learn More about Bel Signal Transformer signal transformer pc mount transformers	Datasheet	77In Stock	$22.44 $20.23 $19.43 $17.71 View $15.81 $15.52 Quote	Min.: 1 Mult.: 1		115 VAC, 230 VAC	24 V CT/12 V	10 VA	450 mA/900 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	47.6 mm	36.5 mm	41.27 mm	PC
Power Transformers - Board Mount 1500Vrms 24VA 8Term Thru-Hole DPC-56-420 Bel Signal Transformer 1: $25.38 44In Stock	Mfr. Part No. DPC-56-420 Mouser Part No 530-DPC-56-420	Bel Signal Transformer	Power Transformers - Board Mount 1500Vrms 24VA 8Term Thru-Hole Learn More about Bel Signal Transformer signal transformer pc mount transformers	Datasheet	44In Stock	$25.38 $23.75 $20.01 $19.44 View $19.07 $18.77 $18.71 Quote	Min.: 1 Mult.: 1									41.3 mm	57.2 mm	34.93 mm	PC
Power Transformers - Board Mount Radial Inductor with Leads,8200 H, 0.13A,Q>20 DST-2-10 Bel Signal Transformer 1: $13.48 107In Stock	Mfr. Part No. DST-2-10 Mouser Part No 530-DST-2-10	Bel Signal Transformer	Power Transformers - Board Mount Radial Inductor with Leads,8200 H, 0.13A,Q>20 Learn More about Bel Signal Transformer signal transformers dst transformers	Datasheet	107In Stock	$13.48 $11.99 $11.53 $10.13 View $8.96 $8.93 Quote	Min.: 1 Mult.: 1	Class 2 Transformers	115 VAC, 230 VAC	10 V CT/5 V	1.1 VA	110 mA/220 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	34.9 mm	28.6 mm	24.6 mm	DST
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-3 DST-4-10 Bel Signal Transformer 1: $14.70 99In Stock	Mfr. Part No. DST-4-10 Mouser Part No 530-DST-4-10	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-3 Learn More about Bel Signal Transformer signal transformers dst transformers	Datasheet	99In Stock	$14.70 $13.19 $12.68 $11.35 View $10.16 $10.00 $9.94	Min.: 1 Mult.: 1	Class 2 Transformers	115 VAC, 230 VAC	10 V CT/5 V	6 VA	600 mA/1.2 A	Through Hole	Dual Primary Winding	Dual Secondary Winding	41.3 mm	33.3 mm	33.3 mm	DST
Power Transformers - Board Mount TRANS FLAT HEAD LP-24 LP-30-85 Bel Signal Transformer 1: $19.67 79In Stock	Mfr. Part No. LP-30-85 Mouser Part No 530-LP-30-85	Bel Signal Transformer	Power Transformers - Board Mount TRANS FLAT HEAD LP-24 Learn More about Bel Signal Transformer signal transformer lp transformers	Datasheet	79In Stock	$19.67 $17.72 $16.99 $15.60 View $15.59 $14.18 $14.05 Quote	Min.: 1 Mult.: 1		115 VAC, 230 VAC	30 V CT/15 V	2 VA	85 mA/170 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	47.5 mm	39.6 mm	16.5 mm	LP
Power Transformers - Board Mount TRANSFORMER POWER PC-2 PC-120-10 Bel Signal Transformer 1: $19.10 51In Stock	Mfr. Part No. PC-120-10 Mouser Part No 530-PC-120-10	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER POWER PC-2 Learn More about Bel Signal Transformer signal transformer pc mount transformers	Datasheet	51In Stock	$19.10 $17.21 $16.50 $14.96 $13.78	Min.: 1 Mult.: 1		115 VAC	120 V CT/60 V	1.2 VA	10 mA/20 mA	Through Hole	Single Primary Winding	Dual Secondary Winding	34.9 mm	28.6 mm	30.15 mm	PC
Power Transformers - Board Mount HCT Transformer, 10mm CR, 4+4PIN, 4.2kVAC,-40 to 125 C HCTSM100304FL-E Bourns 1: $5.76 3,642In Stock	Mfr. Part No. HCTSM100304FL-E Mouser Part No 652-HCTSM100304FL-E	Bourns	Power Transformers - Board Mount HCT Transformer, 10mm CR, 4+4PIN, 4.2kVAC,-40 to 125 C Learn More about Bourns hctsm100304fl transformer	Datasheet	3,642In Stock	Cut Tape $5.76 $4.92 $4.71 $4.58 View Reel $3.94 $4.44 $4.26 $4.12 $3.99 $3.94 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Transformers					SMD/SMT			15.7 mm	10.8 mm	7.5 mm	HCT
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196511 Wurth Elektronik 1: $10.67 105In Stock	Mfr. Part No. 749196511 Mouser Part No 710-749196511	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	105In Stock	Cut Tape $10.67 $10.20 $9.02 Reel $8.55	Min.: 1 Mult.: 1 : 120												WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 22.3uH .93A 749196518 Wurth Elektronik 1: $12.36 179In Stock	Mfr. Part No. 749196518 Mouser Part No 710-749196518	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 22.3uH .93A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	179In Stock	Cut Tape $12.36 $12.35 $12.34 $11.12 Reel $9.39 View $8.60 $7.82 $7.04 Quote MouseReel Available	Min.: 1 Mult.: 1 : 120	Signal Transformers				1.35 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	29.5 mm	21.5 mm	12 mm	WE-FLEX HV
Power Transformers - Board Mount MID-OLTI LM5023 400 uH 65.2 W 750313417 Wurth Elektronik 1: $17.80 195In Stock	Mfr. Part No. 750313417 Mouser Part No 710-750313417	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI LM5023 400 uH 65.2 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	195In Stock	Cut Tape $17.80 $16.43 Reel $16.43 $11.30 MouseReel Available	Min.: 1 Mult.: 1 : 100	Signal Transformers	85 VAC to 265 VAC	19 V	65.2 W	3.43 A	SMD/SMT	Dual Primary Winding	Triple Secondary Winding	27.03 mm	32.31 mm	13.97 mm	MID-OLTI
Power Transformers - Board Mount MID-OLLT LT3798 180 uH 108 W 750811351 Wurth Elektronik 1: $14.85 141In Stock 1,000Expected 17/12/2026	Mfr. Part No. 750811351 Mouser Part No 710-750811351	Wurth Elektronik	Power Transformers - Board Mount MID-OLLT LT3798 180 uH 108 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	141In Stock 1,000Expected 17/12/2026	$14.85 $14.66 $13.74 $12.37	Min.: 1 Mult.: 1	Power	85 VAC to 265 VAC	36 V	108 W	3 A	Through Hole	Dual Primary Winding	Triple Secondary Winding	39.6 mm	43.18 mm	30.48 mm	MID-OLLT
Power Transformers - Board Mount THROUGH HOLE 2.4VA 3FS-320 Tamura 1: $5.59 261In Stock	Mfr. Part No. 3FS-320 Mouser Part No 838-3FS-320	Tamura	Power Transformers - Board Mount THROUGH HOLE 2.4VA	Datasheet	261In Stock	$5.59 $4.85 $4.66 $3.65 View $3.55 $3.53 $3.48 $3.40	Min.: 1 Mult.: 1		115 VAC	10 V/20 V	2.4 VA		Through Hole	Single Primary Winding	Dual Secondary Winding			32.1 mm	3FS
Power Transformers - Board Mount POWER TRANSFORMER THROUGH 2.5VA PL2.5-20-130B Tamura 1: $7.97 219In Stock	Mfr. Part No. PL2.5-20-130B Mouser Part No 838-PL2.5-20-130B	Tamura	Power Transformers - Board Mount POWER TRANSFORMER THROUGH 2.5VA	Datasheet	219In Stock	$7.97 $7.80 $7.79 $7.74 View $6.29 $6.07 $5.91	Min.: 1 Mult.: 1				2.5 VA		Through Hole					28.6 mm	PL