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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 (JPY) 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 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	45 W	20 V to 48 V	5 V	SMD/SMT
Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 500 mW 750315232 Wurth Elektronik 1: ¥531.5 266In 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	266In 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	500 mW	3.3 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-PoE EFD20 73W SMT 750319036 Wurth Elektronik 1: ¥2,091.2 115In 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	115In 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				SMD/SMT
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	15.2 W	15 V to 40 V	12.7 V, 12.7 V	SMD/SMT
Audio Transformers / Signal Transformers LAN 2 Port 10/100/1000 Base-T T,C ALANS10002-6NA1DT ABRACON 1: ¥1,149.4 74In Stock	Mfr. Part # ALANS10002-6NA1DT Mouser Part # 815-ALANS100026NA1DT	ABRACON	Audio Transformers / Signal Transformers LAN 2 Port 10/100/1000 Base-T T,C Learn More about ABRACON alans10002	Datasheet	74In Stock	Cut Tape ¥1,149.4 ¥981.7 ¥941.8 ¥913.6 Reel ¥757.4 View ¥757.4 ¥755.8 ¥739.1 ¥730.8	Min.: 1 Mult.: 1 : 300
Power Transformers - Industrial TRANSFORMER,750VA,380/4 MTG0750I Siemens 1: ¥176,864.9 1In Stock	Mfr. Part # MTG0750I Mouser Part # 982-MTG0750I	Siemens	Power Transformers - Industrial TRANSFORMER,750VA,380/4	Datasheet	1In Stock	¥176,864.9	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.01 - 150 MHz, 50? T1-6-KK81+ Mini-Circuits 1: ¥1,785.6 77In Stock 100Expected 1/25/2027 New At Mouser	Mfr. Part # T1-6-KK81+ Mouser Part # 139-T1-6-KK81+ New At Mouser	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.01 - 150 MHz, 50?	Datasheet	77In Stock 100Expected 1/25/2027	Cut Tape ¥1,785.6 Reel ¥1,607.8 ¥1,506.5 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 100	250 mW
Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50? T4-6T+ Mini-Circuits 1: ¥1,534.8 5In Stock	Mfr. Part # T4-6T+ Mouser Part # 139-T4-6T+	Mini-Circuits	Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50?	Datasheet	5In Stock	¥1,534.8	Min.: 1 Mult.: 1	250 mW
Audio Transformers / Signal Transformers RF Transformer, 4.5 - 3000 MHz, 50 ohms TC1-1-13M-23+ Mini-Circuits 1: ¥561.4 10In Stock	Mfr. Part # TC1-1-13M-23+ Mouser Part # 139-TC1-1-13M-23	Mini-Circuits	Audio Transformers / Signal Transformers RF Transformer, 4.5 - 3000 MHz, 50 ohms	Datasheet	10In Stock	Cut Tape ¥561.4 Reel ¥561.4 MouseReel Available	Min.: 1 Mult.: 1 : 20
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1.33-182X-75+ Mini-Circuits 1: ¥619.6 93In Stock 500Expected 12/21/2026	Mfr. Part # TC1.33-182X-75+ Mouser Part # 139-TC1.33-182X-75	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	93In Stock 500Expected 12/21/2026	Cut Tape ¥619.6 ¥430.2 ¥348.8 ¥317.3 Reel ¥317.3 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC3-1TG2+ Mini-Circuits 1: ¥719.2 70In Stock	Mfr. Part # TC3-1TG2+ Mouser Part # 139-TC3-1TG2	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS	Datasheet	70In Stock	Cut Tape ¥719.2 ¥524.9 ¥446.8 ¥400.3 Reel ¥388.7 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers TC XFMR / SURF MT / HAT RoHS TC4-11X+ Mini-Circuits 1: ¥744.1 296In Stock	Mfr. Part # TC4-11X+ Mouser Part # 139-TC4-11X	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MT / HAT RoHS	Datasheet	296In Stock	Cut Tape ¥744.1 ¥524.9 ¥458.4 Reel ¥458.4 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1:1:1 Single Ch TD10-1205ALF HALO Electronics 1: ¥747.5 411In Stock	Mfr. Part # TD10-1205ALF Mouser Part # 493-TD10-1205ALF	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1:1:1 Single Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	411In Stock	¥747.5 ¥483.4 ¥395.3 ¥318.9 View ¥267.4 ¥230.9 ¥220.9 ¥214.3	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1:1.36CT 1Ch TD70-1205ALF HALO Electronics 1: ¥747.5 26In Stock	Mfr. Part # TD70-1205ALF Mouser Part # 493-TD70-1205ALF	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1:1.36CT 1Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	26In Stock	¥747.5 ¥483.4 ¥395.3 ¥318.9 View ¥267.4 ¥230.9 ¥220.9 ¥214.3	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers ETHERNET BACKPLANE 32P ISO MOD SMD TG110-BP01NURL HALO Electronics 1: ¥2,026.4 160In Stock	Mfr. Part # TG110-BP01NURL Mouser Part # 493-TG110-BP01NURL	HALO Electronics	Audio Transformers / Signal Transformers ETHERNET BACKPLANE 32P ISO MOD SMD Learn More about HALO Electronics halo bp ethernet transformers	Datasheet	160In Stock	¥2,026.4 ¥614.6	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port TG110-RP55N5RLTR HALO Electronics 1: ¥1,212.5 69In Stock 1,400On Order	Mfr. Part # TG110-RP55N5RLTR Mouser Part # 493-TG110-RP55N5RLTR	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	69In Stock 1,400On Order On Order Ship Dates Mfr. #: TG110-RP55N5RLTR Stock: 69 Can Ship Immediately On Order: 700 Expected 5/14/2027 700 Expected 7/16/2027 Factory Lead-Time: 33 Weeks	Cut Tape ¥1,212.5 ¥785.7 ¥641.1 ¥518.2 Reel ¥403.6 View ¥435.2 ¥380.4 MouseReel Available	Min.: 1 Mult.: 1 : 700
Audio Transformers / Signal Transformers SMD ISOLATION MODULE TG1G-S001NZLF HALO Electronics 1: ¥1,777.3 4In Stock 896On Order	Mfr. Part # TG1G-S001NZLF Mouser Part # 493-TG1G-S001NZLF	HALO Electronics	Audio Transformers / Signal Transformers SMD ISOLATION MODULE	Datasheet	4In Stock 896On Order On Order Ship Dates Mfr. #: TG1G-S001NZLF Stock: 4 Can Ship Immediately On Order: 476 Expected 2/12/2027 420 Expected 5/21/2027 Factory Lead-Time: 29 Weeks	¥1,777.3 ¥1,147.8 ¥936.8 ¥757.4 View ¥611.2 ¥609.6	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh TG70-1205NSRL HALO Electronics 1: ¥789 506In Stock	Mfr. Part # TG70-1205NSRL Mouser Part # 493-TG70-1205NSRL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh Learn More about HALO Electronics halo telecom transformers	Datasheet	506In Stock	¥789 ¥508.3 ¥415.3 ¥335.5 View ¥282.4 ¥242.5 ¥232.5 ¥225.9	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:2 TG75-1406NRL HALO Electronics 1: ¥863.7 324In Stock	Mfr. Part # TG75-1406NRL Mouser Part # 493-TG75-1406NRL	HALO Electronics	Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:2 Learn More about HALO Electronics halo 10base t ethernet transformers	Datasheet	324In Stock	¥863.7 ¥554.8 ¥453.5 ¥367.1 View ¥307.3 ¥265.8 ¥254.1 ¥247.5	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers SMD ISOLATION MODULE TGP3-S005EP7LFTR HALO Electronics 1: ¥930.2 297In Stock	Mfr. Part # TGP3-S005EP7LFTR Mouser Part # 493-TGP3-S005EP7LFTR	HALO Electronics	Audio Transformers / Signal Transformers SMD ISOLATION MODULE	Datasheet	297In Stock	Cut Tape ¥930.2 ¥602.9 ¥491.7 ¥397 Reel ¥333.9 View ¥287.4 ¥275.7 ¥265.8	Min.: 1 Mult.: 1 : 300
Power Transformers - Industrial TRANSFORMER TWO-FOR-ONE 4 241-4-120 Bel Signal Transformer 1: ¥3,439.9 31In Stock	Mfr. Part # 241-4-120 Mouser Part # 530-241-4-120	Bel Signal Transformer	Power Transformers - Industrial TRANSFORMER TWO-FOR-ONE 4 Learn More about Bel Signal Transformer signal transformer two 4 one power transformers	Datasheet	31In Stock	¥3,439.9 ¥2,891.8 ¥2,853.6 ¥2,423.4 View ¥2,418.4 ¥2,366.9 ¥2,340.3 Quote	Min.: 1 Mult.: 1	6 VA	115 VAC	120 V CT	Chassis
Power Transformers - Industrial TRANSFORMER A41 130VA W/LEADS A41-130-16 Bel Signal Transformer 1: ¥10,688.5 27In Stock	Mfr. Part # A41-130-16 Mouser Part # 530-A41-130-16	Bel Signal Transformer	Power Transformers - Industrial TRANSFORMER A41 130VA W/LEADS Learn More about Bel Signal Transformer a41	Datasheet	27In Stock	¥10,688.5 ¥9,608.9 ¥9,206.9 ¥8,147.2 View ¥7,913 ¥7,899.7 Quote	Min.: 1 Mult.: 1	130 VA	115 VAC, 230 VAC	16 V CT/8 V	Chassis
Power Transformers - Industrial TRANSFORMER TWO-FOR-ONE DP 4 DP-241-4-120L Bel Signal Transformer 1: ¥3,586.1 7In Stock 100Expected 1/25/2027	Mfr. Part # DP-241-4-120L Mouser Part # 530-DP-241-4-120L	Bel Signal Transformer	Power Transformers - Industrial TRANSFORMER TWO-FOR-ONE DP 4 Learn More about Bel Signal Transformer signal transformer two 4 one power transformers	Datasheet	7In Stock 100Expected 1/25/2027	¥3,586.1 ¥2,559.6 ¥2,536.3 ¥2,498.1 View ¥2,469.9 Quote	Min.: 1 Mult.: 1	6 VA	115 VAC, 230 VAC	120 V CT	Chassis
Power Transformers - Board Mount TRANS INTL FLAT HEAD IF-4 IF-4-40 Bel Signal Transformer 1: ¥5,652.4 21In Stock	Mfr. Part # IF-4-40 Mouser Part # 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	¥5,652.4 ¥5,086 ¥4,537.9 ¥4,536.2 View ¥4,499.6 ¥4,443.2 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: ¥1,227.5 40In Stock	Mfr. Part # 749119633 Mouser Part # 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 ¥1,227.5 ¥1,161 Reel ¥981.7	Min.: 1 Mult.: 1 : 150	52.8 W	33 V to 57 V	3.3 V	SMD/SMT