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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 Pulse Electronics H5143FNL H5143FNL Pulse Electronics 1: $7.26 1,735In Stock 1,980On Order	Mfr. Part No. H5143FNL Mouser Part No 673-H5143FNL	Pulse Electronics	Power Transformers - Board Mount	Datasheet	1,735In Stock 1,980On Order On Order Ship Dates Mfr. No: H5143FNL Stock: 1,735 Can Dispatch Immediately On Order: 690 Expected 2027/02/10 1,290 Expected 2027/02/24 Factory Lead Time: 21 Weeks	$7.26 $5.71 $5.47 $5.30 View $5.14 $4.93 $4.77 $4.62 $4.44	Min.: 1 Mult.: 1				PCB Mount
Pulse Transformers 5mH 10% 50kHz 1:1:10.1 SMD AEC-Q200 B78416A2433A003 TDK 1: $3.44 2,065In Stock	Mfr. Part No. B78416A2433A003 Mouser Part No 871-B78416A2433A003	TDK	Pulse Transformers 5mH 10% 50kHz 1:1:10.1 SMD AEC-Q200	Datasheet	2,065In Stock	Cut Tape $3.44 $2.81 $2.44 $2.37 View Reel $2.21 $2.29 $2.27 $2.24 $2.21 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50? T1-1-X65+ Mini-Circuits 1: $5.69 71In Stock 70Expected 2027/03/08 New At Mouser	Mfr. Part No. T1-1-X65+ Mouser Part No 139-T1-1-X65+ New At Mouser	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50?	Datasheet	71In Stock 70Expected 2027/03/08	$5.69	Min.: 1 Mult.: 1	250 mW
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1-1T-75X+ Mini-Circuits 1: $3.35 341In Stock	Mfr. Part No. TC1-1T-75X+ Mouser Part No 139-TC1-1T-75X	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	341In Stock	Cut Tape $3.35 $2.20 $1.71 $1.67 Reel $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC4-122-75X+ Mini-Circuits 1: $3.50 88In Stock	Mfr. Part No. TC4-122-75X+ Mouser Part No 139-TC4-122-75X	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS	Datasheet	88In Stock	Cut Tape $3.50 $2.38 $1.86 $1.79 Reel $1.71 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC4-1W-7A+ Mini-Circuits 1: $3.68 142In Stock	Mfr. Part No. TC4-1W-7A+ Mouser Part No 139-TC4-1W-7A	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS	Datasheet	142In Stock	Cut Tape $3.68 $2.54 $2.04 $1.95 Reel $1.86 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC8-1+ Mini-Circuits 1: $3.56 271In Stock 3,500On Order	Mfr. Part No. TC8-1+ Mouser Part No 139-TC8-1	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS	Datasheet	271In Stock 3,500On Order On Order Ship Dates Mfr. No: TC8-1+ Stock: 271 Can Dispatch Immediately On Order: 2,000 Expected 2026/11/30 1,500 Expected 2027/03/01 Factory Lead Time: 19 Weeks	Cut Tape $3.56 $2.43 $1.95 $1.85 Reel $1.85 MouseReel Available	Min.: 1 Mult.: 1 : 500	250 mW
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TCM1-1+ Mini-Circuits 1: $3.35 842In Stock	Mfr. Part No. TCM1-1+ Mouser Part No 139-TCM1-1	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tcm transformers	Datasheet	842In Stock	Cut Tape $3.35 $2.20 $1.71 $1.67 Reel $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 500	250 mW
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TCM3-1T+ Mini-Circuits 1: $3.68 45In Stock	Mfr. Part No. TCM3-1T+ Mouser Part No 139-TCM3-1T	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tcm transformers	Datasheet	45In Stock	Cut Tape $3.68 $2.54 $1.86 Reel $1.86 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers SMD ISOLATION MODULE TG01-FC07N1LF HALO Electronics 1: $11.05 231In Stock	Mfr. Part No. TG01-FC07N1LF Mouser Part No 493-TG01-FC07N1LF	HALO Electronics	Audio Transformers / Signal Transformers SMD ISOLATION MODULE	Datasheet	231In Stock	$11.05 $7.13 $5.83 $4.71 View $3.95 $3.41 $3.26 $3.16	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh TG02-1205NSRL HALO Electronics 1: $5.97 522In Stock	Mfr. Part No. TG02-1205NSRL Mouser Part No 493-TG02-1205NSRL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh Learn More about HALO Electronics halo telecom transformers	Datasheet	522In Stock	$5.97 $3.84 $3.14 $2.54 View $2.11 $2.09 $2.08	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers SMD ISOLATION MODULE TG110-EMX6NXLF HALO Electronics 1: $19.97 179In Stock	Mfr. Part No. TG110-EMX6NXLF Mouser Part No 493-TG110-EMX6NXLF	HALO Electronics	Audio Transformers / Signal Transformers SMD ISOLATION MODULE	Datasheet	179In Stock	$19.97 $12.90 $10.53 $8.51 View $6.43 $6.38 $6.35 $6.33 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10/100BASE-TX SMD 1-Port Low Profile TG110-S055P2RL HALO Electronics 1: $13.63 387In Stock	Mfr. Part No. TG110-S055P2RL Mouser Part No 493-TG110-S055P2RL	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD 1-Port Low Profile Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	387In Stock	$13.63 $8.79 $7.18 $5.80 View $4.87 $4.20 $4.01 $3.90	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers ISO MOD SMD GullWing GigE 10/100BASE-TX TG111-E10NYNRLTR HALO Electronics 1: $10.05 13In Stock	Mfr. Part No. TG111-E10NYNRLTR Mouser Part No 493-TG111-E10NYNRLTR	HALO Electronics	Audio Transformers / Signal Transformers ISO MOD SMD GullWing GigE 10/100BASE-TX Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	13In Stock	Cut Tape $10.05 $6.50 $5.30 $4.29 Reel $3.61 View $3.11 $2.97 $2.87 MouseReel Available	Min.: 1 Mult.: 1 : 330
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh TG15-1205NSRL HALO Electronics 1: $5.97 133In Stock	Mfr. Part No. TG15-1205NSRL Mouser Part No 493-TG15-1205NSRL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh Learn More about HALO Electronics halo telecom transformers	Datasheet	133In 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 T1/E1 ISO MOD SMD GullWing 20P Quad Ch TG83-1205NM5RL HALO Electronics 1: $11.05 90In Stock	Mfr. Part No. TG83-1205NM5RL Mouser Part No 493-TG83-1205NM5RL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 20P Quad Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	90In Stock	$11.05 $7.13 $5.83 $4.71 View $3.95 $3.41 $3.26 $3.16	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing For ADI QUAD ISOs TGAD-260NARL HALO Electronics 1: $7.98 192In Stock	Mfr. Part No. TGAD-260NARL Mouser Part No 493-TGAD-260NARL	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing For ADI QUAD ISOs Learn More about HALO Electronics halo dc dc transformers	Datasheet	192In Stock	$7.98 $5.16 $4.21 $3.41 View $2.86 $2.47 $2.36 $2.29	Min.: 1 Mult.: 1				SMD/SMT
Pulse Transformers ISO MOD SMD GullWing 2.75kVrms .4Ohm 6pin TGMS-1450V6LF HALO Electronics 1: $9.79 161In Stock	Mfr. Part No. TGMS-1450V6LF Mouser Part No 493-TGMS-1450V6LF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 2.75kVrms .4Ohm 6pin Learn More about HALO Electronics halo dc dc transformers	Datasheet	161In Stock	$9.79 $6.32 $5.16 $4.18 View $3.50 $3.01 $2.88 $2.80	Min.: 1 Mult.: 1				SMD/SMT
Pulse Transformers ISO MOD SMD GullWing 2.75kVrms .4Ohm 6pi TGMS-1455V6LF HALO Electronics 1: $10.36 45In Stock 318Expected 2027/04/16	Mfr. Part No. TGMS-1455V6LF Mouser Part No 493-TGMS-1455V6LF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 2.75kVrms .4Ohm 6pi Learn More about HALO Electronics halo dc dc transformers	Datasheet	45In Stock 318Expected 2027/04/16	$10.36 $6.69 $5.45 $4.41 View $3.71 $3.19 $3.05 $2.97	Min.: 1 Mult.: 1				SMD/SMT
Audio Transformers / Signal Transformers 6P 1:1 Reinforced ISOLATION MODULE TGR04-6506V6LF HALO Electronics 1: $13.37 26In Stock	Mfr. Part No. TGR04-6506V6LF Mouser Part No 493-TGR04-6506V6LF	HALO Electronics	Audio Transformers / Signal Transformers 6P 1:1 Reinforced ISOLATION MODULE	Datasheet	26In Stock	$13.37 $9.56 $8.02 $6.70 View $5.35 $4.55 $4.28 $4.12 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T1/E1 Quatra SMD 40P QuadPort ISO MOD TGSP-S024NXRL HALO Electronics 1: $19.60 130In Stock	Mfr. Part No. TGSP-S024NXRL Mouser Part No 493-TGSP-S024NXRL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 Quatra SMD 40P QuadPort ISO MOD Learn More about HALO Electronics halo telecom transformers	Datasheet	130In Stock	$19.60 $12.65 $10.33 $8.34 View $7.01 $6.54 $6.32 $6.12 Quote	Min.: 1 Mult.: 1
Power Transformers - Industrial TRANSFORMER TWO-FOR-ONE 3 241-3-16L Bel Signal Transformer 1: $19.02 35In Stock	Mfr. Part No. 241-3-16L Mouser Part No 530-241-3-16L	Bel Signal Transformer	Power Transformers - Industrial TRANSFORMER TWO-FOR-ONE 3 Learn More about Bel Signal Transformer signal transformer two 4 one power transformers	Datasheet	35In Stock	$19.02 $15.98 $15.33 $14.64 View $12.43 $12.40 $12.35	Min.: 1 Mult.: 1	2.4 VA	115 VAC	16 V CT	Chassis
Power Transformers - Industrial TRAN TWO-FOR-ONE DP 4 W/LEADS DP-241-4-16 Bel Signal Transformer 1: $20.90 7In Stock	Mfr. Part No. DP-241-4-16 Mouser Part No 530-DP-241-4-16	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	7In Stock	$20.90 $17.34 $17.22 $14.62 View $14.35 $14.06 Quote	Min.: 1 Mult.: 1	6 VA	115 VAC, 230 VAC	16 V CT	Chassis
Power Transformers - Board Mount TRANSFORMER POWER DPC-6 DPC-40-110 Bel Signal Transformer 1: $20.50 10In Stock	Mfr. Part No. DPC-40-110 Mouser Part No 530-DPC-40-110	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER POWER DPC-6 Learn More about Bel Signal Transformer signal transformer pc mount transformers	Datasheet	10In Stock	$20.50 $17.90 $14.70 $14.32 View $14.00 $13.84 $13.80 Quote	Min.: 1 Mult.: 1	4.4 VA	115 VAC, 230 VAC	40 V CT/20 V	Through Hole
Power Transformers - Industrial TRANSFORMER MUL-PUR INTL 250VA MPI-250-230 Bel Signal Transformer 1: $180.88 1In Stock 10Expected 2026/10/28	Mfr. Part No. MPI-250-230 Mouser Part No 530-MPI-250-230	Bel Signal Transformer	Power Transformers - Industrial TRANSFORMER MUL-PUR INTL 250VA Learn More about Bel Signal Transformer bel multi purpose international transformers	Datasheet	1In Stock 10Expected 2026/10/28	$180.88 $157.83 $155.73 $154.20 View Quote	Min.: 1 Mult.: 1	250 VA	100 VAC, 115 VAC, 200 VAC, 215 VAC, 230 VAC	230 V CT/115 V	Chassis