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Transformers

Transformers are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many transformer manufacturers including Bel, Boums, Tamura, Pulse Electronics, TDK, Triad Magnetics, Vacuumschmelze, Wurth Elektronik & more. Please view our selection of 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.	Power Rating	Primary Voltage Rating	Secondary Voltage Rating	Mounting Style
Power Transformers - Board Mount TRANS INTL FLAT HEAD IF-4 IF-4-40 Bel Signal Transformer 1: $34.04 21In Stock	Mfr. Part No. IF-4-40 Mouser Part No 530-IF-4-40	Bel Signal Transformer	Power Transformers - Board Mount TRANS INTL FLAT HEAD IF-4 Learn More about Bel Signal Transformer bel if international flathead transformers	Datasheet	21In Stock	$34.04 $30.62 $27.33 $27.32 View $27.10 $26.76 Quote	Min.: 1 Mult.: 1	4 VA	115 VAC, 230 VAC	40 V CT/20 V	Through Hole
Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 52.8W 749119633 Wurth Elektronik 1: $7.40 40In Stock	Mfr. Part No. 749119633 Mouser Part No 710-749119633	Wurth Elektronik	Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 52.8W Learn More about Wurth Elektronik we PoE transformers	Datasheet	40In Stock	Cut Tape $7.40 $6.99 Reel $5.91	Min.: 1 Mult.: 1 : 150	52.8 W	33 V to 57 V	3.3 V	SMD/SMT
Power Transformers - Board Mount MID-OLLT LT3799 ER28/14 80W THT 750312646 Wurth Elektronik 1: $11.07 42In Stock	Mfr. Part No. 750312646 Mouser Part No 710-750312646	Wurth Elektronik	Power Transformers - Board Mount MID-OLLT LT3799 ER28/14 80W THT	Datasheet	42In Stock	$11.07 $9.98 $9.35 $8.90 View $8.61 $8.34 $8.07	Min.: 1 Mult.: 1
Power Transformers - Board Mount MID-OLSTM Viper17HD EE16/7/5 5.1W THT 750817436 Wurth Elektronik 1: $6.83 19In Stock	Mfr. Part No. 750817436 Mouser Part No 710-750817436	Wurth Elektronik	Power Transformers - Board Mount MID-OLSTM Viper17HD EE16/7/5 5.1W THT	Datasheet	19In Stock	$6.83 $5.91 $5.40 $5.30 View $5.14 $4.97	Min.: 1 Mult.: 1
Power Transformers - Board Mount Flyback Transformer for LT8316 11328-T061 Sumida 1: $6.42 76In Stock	Mfr. Part No. 11328-T061 Mouser Part No 851-11328-T061	Sumida	Power Transformers - Board Mount Flyback Transformer for LT8316 Learn More about Sumida flyback transformers lt8316	Datasheet	76In Stock	$6.42 $5.05 $4.83 $4.70 View $4.55 $4.37 $4.23 $4.11 $3.94	Min.: 1 Mult.: 1				Through Hole
Power Transformers - Industrial CONTROL TRANSFORMER,150VA,380/400/415-11 MT0150I Siemens 1: $278.70 1In Stock	Mfr. Part No. MT0150I Mouser Part No 982-MT0150I	Siemens	Power Transformers - Industrial CONTROL TRANSFORMER,150VA,380/400/415-11	Datasheet	1In Stock	$278.70 $254.02 $252.28	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers PL160 300W 0.0138Ohm Planar Trnsfmr PL300-104L Coilcraft 1: $16.49 75In Stock 100Expected 2026/12/18	Mfr. Part No. PL300-104L Mouser Part No 994-PL300-104L	Coilcraft	Audio Transformers / Signal Transformers PL160 300W 0.0138Ohm Planar Trnsfmr Learn More about Coilcraft pl160 pl300	Datasheet	75In Stock 100Expected 2026/12/18	$16.49 $14.01 $13.75 $13.23 View $12.61 $12.23	Min.: 1 Mult.: 1	300 W
Audio Transformers / Signal Transformers 120W POE Planar 5V 24A 50uH POE120PL-50L Coilcraft 1: $9.64 26In Stock	Mfr. Part No. POE120PL-50L Mouser Part No 994-POE120PL-50L	Coilcraft	Audio Transformers / Signal Transformers 120W POE Planar 5V 24A 50uH Learn More about Coilcraft poe120pl planar transformers	Datasheet	26In Stock	$9.64 $8.70 $8.35 $8.09 View $7.83 $7.44 $7.21 $7.01	Min.: 1 Mult.: 1	120 W
Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 0.15 - 400 Mhz, 50ohm T1-1-KK81+ Mini-Circuits 1: $5.29 76In Stock	Mfr. Part No. T1-1-KK81+ Mouser Part No 139-T1-1-KK81	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 0.15 - 400 Mhz, 50ohm	Datasheet	76In Stock	Cut Tape $5.29 $5.22 Reel $5.22 MouseReel Available	Min.: 1 Mult.: 1 : 100
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50? T1-6T+ Mini-Circuits 1: $11.44 17In Stock 30Expected 2027/03/01	Mfr. Part No. T1-6T+ Mouser Part No 139-T1-6T+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50?	Datasheet	17In Stock 30Expected 2027/03/01	$11.44	Min.: 1 Mult.: 1	250 mW
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT/ HAT RoHS TC16-1TX+ Mini-Circuits 1: $4.23 65In Stock	Mfr. Part No. TC16-1TX+ Mouser Part No 139-TC16-1TX	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT/ HAT RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	65In Stock	Cut Tape $4.23 $3.08 $2.65 Reel $2.65 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh TG04-1205NSRL HALO Electronics 1: $5.97 90In Stock	Mfr. Part No. TG04-1205NSRL Mouser Part No 493-TG04-1205NSRL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh Learn More about HALO Electronics halo telecom transformers	Datasheet	90In Stock	$5.97 $3.84 $3.14 $2.54 View $2.14 $1.84 $1.76 $1.71	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10/100BASE-TX SMD POE DUAL PORT 350mA 1CT:1CT -40 / 85C 350uH 1500Vrms TG110-RPE12NJLF HALO Electronics 1: $26.95 9In Stock New At Mouser	Mfr. Part No. TG110-RPE12NJLF Mouser Part No 493-TG110-RPE12NJLF New At Mouser	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD POE DUAL PORT 350mA 1CT:1CT -40 / 85C 350uH 1500Vrms		9In Stock	$26.95 $19.25 $16.17 $13.47 View $10.09 $8.07 $7.35 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P Lw Prfl 1 Port TG111-S001J24RL HALO Electronics 1: $19.41 72In Stock	Mfr. Part No. TG111-S001J24RL Mouser Part No 493-TG111-S001J24RL	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P Lw Prfl 1 Port Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	72In Stock	$19.41 $12.54 $10.22 $8.27 View $6.93 $5.98 $5.71 $5.55	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch TG74-1505N1RLTR HALO Electronics 1: $7.48 214In Stock 1,000Expected 2027/01/01	Mfr. Part No. TG74-1505N1RLTR Mouser Part No 493-TG74-1505N1RLTR	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	214In Stock 1,000Expected 2027/01/01	Cut Tape $7.48 $4.85 $3.95 $3.19 Reel $2.23 View $2.69 $2.34 $2.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Audio Transformers / Signal Transformers T1/E1 Duet ISO MOD SMD 24P Dual Port TG74-1505NZRL HALO Electronics 1: $14.70 320In Stock	Mfr. Part No. TG74-1505NZRL Mouser Part No 493-TG74-1505NZRL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 Duet ISO MOD SMD 24P Dual Port Learn More about HALO Electronics halo telecom transformers	Datasheet	320In Stock	$14.70 $9.47 $7.72 $6.26 View $5.25 $4.90 $4.59 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount POE Flyback Xfmr 3W 3.3Vout TGP3-S005EP7LF HALO Electronics 1: $6.54 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	$6.54 $4.23 $3.45 $2.79 View $2.35 $2.02 $1.93 $1.87	Min.: 1 Mult.: 1			3.3 V	SMD/SMT
Power Transformers - Industrial TRAN TWO-FOR-ONE DP 4 W/LEADS DP-241-4-36 Bel Signal Transformer 1: $19.76 83In Stock	Mfr. Part No. DP-241-4-36 Mouser Part No 530-DP-241-4-36	Bel Signal Transformer	Power Transformers - Industrial TRAN TWO-FOR-ONE DP 4 W/LEADS Learn More about Bel Signal Transformer signal transformer two 4 one power transformers	Datasheet	83In Stock	$19.76 $14.28 $14.20 $13.86 View $13.78 $13.72	Min.: 1 Mult.: 1	6 VA	115 VAC, 230 VAC	36 V CT	Chassis
Power Transformers - Industrial TRANSFORMER TWO-FOR-ONE DP 5 DP-241-5-36L Bel Signal Transformer 1: $25.97 9In Stock	Mfr. Part No. DP-241-5-36L Mouser Part No 530-DP-241-5-36L	Bel Signal Transformer	Power Transformers - Industrial TRANSFORMER TWO-FOR-ONE DP 5 Learn More about Bel Signal Transformer signal transformer two 4 one power transformers	Datasheet	9In Stock	$25.97 $17.06 $16.89 $16.78 View Quote	Min.: 1 Mult.: 1	12 VA	115 VAC, 230 VAC	36 V CT	Chassis
Power Transformers - Board Mount TRANSFORMER POWER DPC-2 DPC-16-640 Bel Signal Transformer 1: $22.32 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	$22.32 $20.11 $19.40 $16.48 View $16.43 $16.07 $15.89 Quote	Min.: 1 Mult.: 1	10 VA	115 VAC, 230 VAC	16 V CT/8 V	Through Hole
Power Transformers - Board Mount TRANSFORMER POWER PC-5 PC-16-1500 Bel Signal Transformer 1: $27.32 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	$27.32 $24.61 $22.69 $20.62 $20.61	Min.: 1 Mult.: 1	24 VA	115 VAC	16 V CT/8 V	Through Hole
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-3 ST-3-20 Bel Signal Transformer 1: $11.89 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	$11.89 $10.11 $9.69 $9.40 View $7.93 $7.89 $7.78 Quote	Min.: 1 Mult.: 1	2.4 VA	115 VAC	20 V CT/10 V	Through Hole
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 ST-5-12 Bel Signal Transformer 1: $18.60 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	$18.60 $16.47 $13.99 $13.36 View $12.94 $12.78 $12.71	Min.: 1 Mult.: 1	12 VA	115 VAC	12.6 V CT/6.3 V	Through Hole
Pulse Transformers FG, TRANSFORMER, GATE DRIVE 5MM, 250 KH MTBAUGDT250251-LF Vishay / Dale 1: $9.65 92In Stock	Mfr. Part No. MTBAUGDT250251-LF Mouser Part No 70-MTBAUGDT250251-LF	Vishay / Dale	Pulse Transformers FG, TRANSFORMER, GATE DRIVE 5MM, 250 KH Learn More about Vishay / Dale vishay dale ugdt transformers	Datasheet	92In Stock	Cut Tape $9.65 $7.83 $7.79 Reel $7.78	Min.: 1 Mult.: 1 : 500				SMD/SMT
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 $7.83 $7.70 Reel $6.54 $6.18 MouseReel Available	Min.: 1 Mult.: 1 : 400				SMD/SMT