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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 (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Power Rating	Mounting Style
Audio Transformers / Signal Transformers 10GBase-T SMD 120uH 1:1 GEN2 SMD H7028FNL Pulse Electronics 1: $15.32 233In Stock	Mfr. Part # H7028FNL Mouser Part # 673-H7028FNL	Pulse Electronics	Audio Transformers / Signal Transformers 10GBase-T SMD 120uH 1:1 GEN2 SMD	Datasheet	233In Stock	$15.32 $13.72 $13.05 $12.63 View $11.19 $10.70 $10.44 $10.21 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 HM1238NL Pulse Electronics 1: $6.16 802In Stock	Mfr. Part # HM1238NL Mouser Part # 673-HM1238NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	802In Stock	$6.16 $5.30 $5.07 $4.91 View $4.77 $4.56 $4.48	Min.: 1 Mult.: 1
Power Transformers - Board Mount XFMR FLYBACK EFD20 SM NPB PA1736NLT Pulse Electronics 1: $7.78 761In Stock	Mfr. Part # PA1736NLT Mouser Part # 673-PA1736NLT	Pulse Electronics	Power Transformers - Board Mount XFMR FLYBACK EFD20 SM NPB	Datasheet	761In Stock	Cut Tape $7.78 $6.88 $6.61 $6.41 Reel $5.88 View $5.69 $5.20 $5.04 $4.97 MouseReel Available	Min.: 1 Mult.: 1 : 100			PCB Mount
Pulse Transformers THT Gate Drive 1500uH .75Ohms PE-63385NL Pulse Electronics 1: $10.27 321In Stock	Mfr. Part # PE-63385NL Mouser Part # 673-PE-63385NL	Pulse Electronics	Pulse Transformers THT Gate Drive 1500uH .75Ohms	Datasheet	321In Stock	$10.27 $9.01 $8.71 $8.25 View $8.21 $7.83 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.3Ohm 1-Por PE-65351NL Pulse Electronics 1: $7.89 790In Stock	Mfr. Part # PE-65351NL Mouser Part # 673-PE-65351NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.3Ohm 1-Por	Datasheet	790In Stock	$7.89 $7.14 $6.85 $5.82 View $5.63 $5.40 $5.24 $5.21 $4.91	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port PE-65778NL Pulse Electronics 1: $7.98 1,590In Stock	Mfr. Part # PE-65778NL Mouser Part # 673-PE-65778NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port	Datasheet	1,590In Stock	$7.98 $7.21 $6.93 $6.65 View $6.44 $5.62 $5.41 $5.21 $5.16	Min.: 1 Mult.: 1
Power Transformers - Board Mount SMD Hi Isolation Pwr 1260uH .7Ohms PH9185.043NLT Pulse Electronics 1: $5.67 1,219In Stock	Mfr. Part # PH9185.043NLT Mouser Part # 673-PH9185.043NLT	Pulse Electronics	Power Transformers - Board Mount SMD Hi Isolation Pwr 1260uH .7Ohms Learn More about Pulse Electronics pulse ph9185nl	Datasheet	1,219In Stock	Cut Tape $5.67 $5.14 $4.64 $4.49 Reel $4.13 View $4.35 $3.80 MouseReel Available	Min.: 1 Mult.: 1 Max.: 600 : 150
Power Transformers - Board Mount SMD 3W 27V/us 680uH 3CT:4CT 20% PH9384.034NLT Pulse Electronics 1: $3.53 2,521In Stock	Mfr. Part # PH9384.034NLT Mouser Part # 673-PH9384.034NLT	Pulse Electronics	Power Transformers - Board Mount SMD 3W 27V/us 680uH 3CT:4CT 20% Learn More about Pulse Electronics pulse high isolation transformers	Datasheet	2,521In Stock	Cut Tape $3.53 $3.11 $2.89 $2.81 Reel $2.19 View $2.74 $2.22 $2.09 MouseReel Available	Min.: 1 Mult.: 1 : 400		3 W	SMD/SMT
Power Transformers - Board Mount 1CT:2CT Iso4000V Push Pull AEC-Q200 PM2155.012NLT Pulse Electronics 1: $5.11 1,950In Stock	Mfr. Part # PM2155.012NLT Mouser Part # 673-PM2155.012NLT	Pulse Electronics	Power Transformers - Board Mount 1CT:2CT Iso4000V Push Pull AEC-Q200 Learn More about Pulse Electronics pulse pm21x aec q200 transformers	Datasheet	1,950In Stock	Cut Tape $5.11 $4.64 $4.09 $3.96 Reel $3.66 View $3.84 $3.10 $3.04	Min.: 1 Mult.: 1 : 300			SMD/SMT
Power Transformers - Board Mount Transformers for DC-DC Converters, DC/DC Converter, ER11, 100 H, TR=1:1:1:1 B78334B1033A003 TDK 1: $10.79 303In Stock	Mfr. Part # B78334B1033A003 Mouser Part # 871-B78334B1033A3	TDK	Power Transformers - Board Mount Transformers for DC-DC Converters, DC/DC Converter, ER11, 100 H, TR=1:1:1:1	Datasheet	303In Stock	Cut Tape $10.79 $9.29 $8.91 $8.64 Reel $7.86 View $8.37 $7.99 $7.57 $6.80	Min.: 1 Mult.: 1 : 600
Current Transformers - Board Mount CS1xxx Curr Sensor 10A 20-50kHz CS1050L Coilcraft 1: $7.49 2,011In Stock	Mfr. Part # CS1050L Mouser Part # 994-CS1050L	Coilcraft	Current Transformers - Board Mount CS1xxx Curr Sensor 10A 20-50kHz Learn More about Coilcraft power magnetics	Datasheet	2,011In Stock	$7.49 $6.12 $5.04 $4.88 View $4.72 $4.69 $4.67 $4.51 $4.32	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers FA2732 SMT Flyback For Si3401, Si3402 FA2732-ALD Coilcraft 1: $5.36 940In Stock	Mfr. Part # FA2732-ALD Mouser Part # 994-FA2732-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2732 SMT Flyback For Si3401, Si3402 Learn More about Coilcraft power magnetics	Datasheet	940In Stock	Cut Tape $5.36 $4.35 $4.18 $3.92 Reel $3.76 View $3.66 $3.48 $3.38 $3.28 MouseReel Available	Min.: 1 Mult.: 1 : 200		10 W
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz PWB1010LC Coilcraft 1: $6.24 1,880In Stock 2,750Expected 2026-12-21	Mfr. Part # PWB1010LC Mouser Part # 994-PWB1010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz	Datasheet	1,880In Stock 2,750Expected 2026-12-21	Cut Tape $6.24 $4.94 Reel $4.20 $4.03 $3.96 View $3.83 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
Current Transformers - Industrial CT 100:1 WITH FLUX COND 31MM ELCT5-31 Littelfuse 1: $588.72 4In Stock	Mfr. Part # ELCT5-31 Mouser Part # 576-ELCT5-31	Littelfuse	Current Transformers - Industrial CT 100:1 WITH FLUX COND 31MM Learn More about Littelfuse industrial portfolio	Datasheet	4In Stock	$588.72	Min.: 1 Mult.: 1			Panel
Current Transformers - Industrial 1000:5 4.25MM ID XFMR CURRENT SE-CS10-4 Littelfuse 1: $716.59 5In Stock	Mfr. Part # SE-CS10-4 Mouser Part # 576-SE-CS10-4	Littelfuse	Current Transformers - Industrial 1000:5 4.25MM ID XFMR CURRENT Learn More about Littelfuse industrial portfolio	Datasheet	5In Stock	$716.59	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers DIGITAL AUDIO TRANSFORMER DA102JC-R Murata Power Solutions 1: $3.08 4,475In Stock 5,000Expected 2026-12-14	Mfr. Part # DA102JC-R Mouser Part # 580-DA102JC-R	Murata Power Solutions	Audio Transformers / Signal Transformers DIGITAL AUDIO TRANSFORMER Learn More about Murata Power Solutions MurataDA100J	Datasheet	4,475In Stock 5,000Expected 2026-12-14	Cut Tape $3.08 $2.79 $2.61 $2.52 Reel $2.16 View $2.42 $2.02 MouseReel Available	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC SM91509AL-E Bourns 1: $7.06 1,928In Stock	Mfr. Part # SM91509AL-E Mouser Part # 652-SM91509AL-E	Bourns	Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC Learn More about Bourns bms transformers	Datasheet	1,928In Stock	Cut Tape $7.06 $6.32 $5.96 $5.77 View Reel $4.82 $5.60 $5.37 $5.20 $4.84 $4.82 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			PCB Mount
Audio Transformers / Signal Transformers MDL SIN 1GD 1:1 5K FUNCTUNIONAL SMD H5187NL Pulse Electronics 1: $12.79 280In Stock	Mfr. Part # H5187NL Mouser Part # 673-H5187NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN 1GD 1:1 5K FUNCTUNIONAL SMD Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	280In Stock	$12.79 $11.53 $11.04 $10.70 View $9.49 $9.13 $9.06 $8.94 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port HX5004ENL Pulse Electronics 1: $10.56 1,366In Stock	Mfr. Part # HX5004ENL Mouser Part # 673-HX5004ENL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1,366In Stock	$10.56 $9.04 $8.67 $8.40 View $7.79 $6.85 $6.70 $6.42	Min.: 1 Mult.: 1
Current Transformers - Board Mount SMD Current Sense AEC-Q200 1:40 Xfmr PA1005.040QNLT Pulse Electronics 1: $2.81 2,331In Stock	Mfr. Part # PA1005.040QNLT Mouser Part # 673-PA1005.040QNLT	Pulse Electronics	Current Transformers - Board Mount SMD Current Sense AEC-Q200 1:40 Xfmr Learn More about Pulse Electronics pulse aec q200 current sense transformers	Datasheet	2,331In Stock	Cut Tape $2.81 $2.55 $2.35 $2.28 Reel $2.00 View $2.22 $2.17 $2.09 $1.53 MouseReel Available	Min.: 1 Mult.: 1 : 900
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port PE-65968NL Pulse Electronics 1: $7.89 549In Stock	Mfr. Part # PE-65968NL Mouser Part # 673-PE-65968NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port	Datasheet	549In Stock	$7.89 $7.19 $6.94 $6.74 View $6.55 $6.15	Min.: 1 Mult.: 1
Pulse Transformers 3.2mH 4kV Iso 4:5 109Vus PH9385.045NLT Pulse Electronics 1: $4.87 1,126In Stock	Mfr. Part # PH9385.045NLT Mouser Part # 673-PH9385045NLT	Pulse Electronics	Pulse Transformers 3.2mH 4kV Iso 4:5 109Vus	Datasheet	1,126In Stock	Cut Tape $4.87 $4.41 $4.12 $4.00 Reel $3.27 View $3.87 $3.17 $2.97 $2.92 MouseReel Available	Min.: 1 Mult.: 1 : 300			SMD/SMT
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 100uH 1-Port T3001NL Pulse Electronics 1: $10.92 461In Stock	Mfr. Part # T3001NL Mouser Part # 673-T3001NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 100uH 1-Port	Datasheet	461In Stock	$10.92 $9.86 $9.46 $9.03 View $9.01 $8.35 $6.88 $6.84	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers - ATB3225-50011CT-T000 TDK 1: $3.21 1,805In Stock	Mfr. Part # ATB3225-50011CT-T000 Mouser Part # 810-ATB3250011CTT000	TDK	Audio Transformers / Signal Transformers - Learn More about TDK ATB3225trans	Datasheet	1,805In Stock	Cut Tape $3.21 $2.23 $1.68 $1.47 Reel $1.30 View $1.32 $1.08	Min.: 1 Mult.: 1 : 1,000
Audio Transformers / Signal Transformers Telecom Transformer 1CT:1CT 24Term SMD 1000B-5012X iNRCORE 1: $78.65 352In Stock	Mfr. Part # 1000B-5012X Mouser Part # 673-1000B-5012X	iNRCORE	Audio Transformers / Signal Transformers Telecom Transformer 1CT:1CT 24Term SMD Learn More about iNRCORE pulser 1000 base t transformers	Datasheet	352In Stock	$78.65 $71.41 $68.77 View Quote	Min.: 1 Mult.: 1	No