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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	Mounting Style
Current Transformers - Industrial CT 100:1 WITH FLUX COND 31MM ELCT5-31 Littelfuse 1: $405.08 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	$405.08	Min.: 1 Mult.: 1		Panel
Current Transformers - Industrial 1000:5 4.25MM ID XFMR CURRENT SE-CS10-4 Littelfuse 1: $497.63 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	$497.63	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers DIGITAL AUDIO TRANSFORMER DA102JC-R Murata Power Solutions 1: $2.14 3,465In Stock 5,000Expected 12/14/2026	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	3,465In Stock 5,000Expected 12/14/2026	Cut Tape $2.14 $1.94 $1.81 $1.75 Reel $1.51 View $1.68 $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port HX5004ENL Pulse Electronics 1: $7.33 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	$7.33 $6.28 $6.04 $5.89 View $5.51 $4.76 $4.65 $4.64	Min.: 1 Mult.: 1
Current Transformers - Board Mount SMD Current Sense AEC-Q200 1:40 Xfmr PA1005.040QNLT Pulse Electronics 1: $1.95 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 $1.95 $1.77 $1.63 $1.58 Reel $1.39 View $1.54 $1.51 $1.45 $1.37 MouseReel Available	Min.: 1 Mult.: 1 : 900
Pulse Transformers 3.2mH 4kV Iso 4:5 109Vus PH9385.045NLT Pulse Electronics 1: $3.38 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 $3.38 $3.06 $2.86 $2.78 Reel $2.27 View $2.69 $2.16 $2.06 $2.03 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: $7.58 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	$7.58 $6.85 $6.57 $6.27 View $6.26 $5.93 $4.78 $4.75	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers - ATB3225-50011CT-T000 TDK 1: $2.23 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 $2.23 $1.55 $1.17 $1.02 Reel $0.90 View $0.918 $0.75	Min.: 1 Mult.: 1 : 1,000
Current Transformers - Industrial 1PH CURR TXFORM-4-20MA OUTPUT A82-2050 Carlo Gavazzi 1: $196.88 19In Stock	Mfr. Part # A82-2050 Mouser Part # 225-A82-2050	Carlo Gavazzi	Current Transformers - Industrial 1PH CURR TXFORM-4-20MA OUTPUT	Datasheet	19In Stock	$196.88	Min.: 1 Mult.: 1		Panel
Audio Transformers / Signal Transformers 1000B-5001 iNRCORE 1: $41.70 68In Stock	Mfr. Part # 1000B-5001 Mouser Part # 673-1000B-5001	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	68In Stock	$41.70 $37.52 $33.36 $32.16 View $31.54 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 3-300MHz SMD 50Ohm RF Tranformer CX2045LNL Pulse Electronics 1: $3.64 822In Stock	Mfr. Part # CX2045LNL Mouser Part # 673-CX2045LNL	Pulse Electronics	Audio Transformers / Signal Transformers 3-300MHz SMD 50Ohm RF Tranformer	Datasheet	822In Stock	$3.64 $3.07 $2.87 $2.86 View $2.77 $2.72 $2.28 $2.25 $2.22	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 300uH/360uH 1-port HX5149NL Pulse Electronics 1: $7.91 1,694In Stock	Mfr. Part # HX5149NL Mouser Part # 673-HX5149NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 300uH/360uH 1-port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1,694In Stock	$7.91 $7.14 $6.81 $6.57 View $6.34 $6.07 $5.88 $5.74 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA HX6164NL Pulse Electronics 1: $5.45 442In Stock	Mfr. Part # HX6164NL Mouser Part # 673-HX6164NL	Pulse Electronics	Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	442In Stock	$5.45 $4.93 $4.66 $4.51 View $4.42 $3.94 $3.57 $3.56	Min.: 1 Mult.: 1	70 W
Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA HX6164NLT Pulse Electronics 1: $5.45 683In Stock	Mfr. Part # HX6164NLT Mouser Part # 673-HX6164NLT	Pulse Electronics	Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	683In Stock	Cut Tape $5.45 $4.93 $4.73 $4.59 Reel $4.11 View $4.44 $3.66 $3.41 $3.39 MouseReel Available	Min.: 1 Mult.: 1 : 300	70 W
Current Transformers - Board Mount SMD Current Sense AEC-Q200 1:50 Xfmr PA1005.050QNLT Pulse Electronics 1: $1.95 2,064In Stock	Mfr. Part # PA1005.050QNLT Mouser Part # 673-PA1005.050QNLT	Pulse Electronics	Current Transformers - Board Mount SMD Current Sense AEC-Q200 1:50 Xfmr Learn More about Pulse Electronics pulse aec q200 current sense transformers	Datasheet	2,064In Stock	Cut Tape $1.95 $1.77 $1.63 $1.58 Reel $1.29 View $1.54 $1.41 $1.34 $1.25 MouseReel Available	Min.: 1 Mult.: 1 : 900
Power Transformers - Board Mount SMD HiFreq WireWound 500uH 1.75Ohms PA1131NLT Pulse Electronics 1: $3.52 1,180In Stock	Mfr. Part # PA1131NLT Mouser Part # 673-PA1131NLT	Pulse Electronics	Power Transformers - Board Mount SMD HiFreq WireWound 500uH 1.75Ohms	Datasheet	1,180In Stock	Cut Tape $3.52 $3.18 $2.99 $2.90 Reel $2.61 View $2.81 $2.37 $2.30 $2.15 MouseReel Available	Min.: 1 Mult.: 1 : 300	3 W
Power Transformers - Board Mount SMD HiFreq WireWound 41uH .12Ohms PA3855.003NLT Pulse Electronics 1: $3.75 3,075In Stock	Mfr. Part # PA3855.003NLT Mouser Part # 673-PA3855.003NLT	Pulse Electronics	Power Transformers - Board Mount SMD HiFreq WireWound 41uH .12Ohms	Datasheet	3,075In Stock	Cut Tape $3.75 $3.39 $3.15 $3.06 Reel $2.96 View $2.84 $2.76 $2.71 $2.61 MouseReel Available	Min.: 1 Mult.: 1 : 130
Current Transformers - Board Mount SMD Current Sense 3800uH .38Ohms PE-68210NLT Pulse Electronics 1: $3.31 1,279In Stock	Mfr. Part # PE-68210NLT Mouser Part # 673-PE-68210NLT	Pulse Electronics	Current Transformers - Board Mount SMD Current Sense 3800uH .38Ohms Learn More about Pulse Electronics pulse aec q200 current sense transformers	Datasheet	1,279In Stock	Cut Tape $3.31 $3.00 $2.80 $2.71 Reel $2.37 View $2.63 $2.01 $2.00 $1.96	Min.: 1 Mult.: 1 : 300
Pulse Transformers 1.02mH 2.5kV Iso 1CT:2CT SM NPB PH9085.012NLT Pulse Electronics 1: $2.33 1,240In Stock	Mfr. Part # PH9085.012NLT Mouser Part # 673-PH9085012NLT	Pulse Electronics	Pulse Transformers 1.02mH 2.5kV Iso 1CT:2CT SM NPB	Datasheet	1,240In Stock	Cut Tape $2.33 $2.12 $1.91 $1.86 Reel $1.67 View $1.80 $1.79 $1.39 $1.38 MouseReel Available	Min.: 1 Mult.: 1 : 700		SMD/SMT
Pulse Transformers 1.35mH 4kV Iso 1:5 70Vus PH9385.015NLT Pulse Electronics 1: $3.38 864In Stock	Mfr. Part # PH9385.015NLT Mouser Part # 673-PH9385015NLT	Pulse Electronics	Pulse Transformers 1.35mH 4kV Iso 1:5 70Vus	Datasheet	864In Stock	Cut Tape $3.38 $3.06 $2.86 $2.78 Reel $2.35 View $2.69 $2.28 $2.08 MouseReel Available	Min.: 1 Mult.: 1 : 300		SMD/SMT
Power Transformers - Board Mount 1.26mH 2500V 2:3:3 DCR=1.1-2.0Ohms PH9572.233ANLT Pulse Electronics 1: $3.35 893In Stock	Mfr. Part # PH9572.233ANLT Mouser Part # 673-PH9572.233ANLT	Pulse Electronics	Power Transformers - Board Mount 1.26mH 2500V 2:3:3 DCR=1.1-2.0Ohms Learn More about Pulse Electronics pulse high isolation transformers	Datasheet	893In Stock	Cut Tape $3.35 $3.04 $2.84 $2.75 Reel $2.48 View $2.67 $2.26 $2.04 $2.01 MouseReel Available	Min.: 1 Mult.: 1 : 300	6 W	PCB Mount
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port T1144NLT Pulse Electronics 1: $5.78 1,086In Stock	Mfr. Part # T1144NLT Mouser Part # 673-T1144NL673-T	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port Learn More about Pulse Electronics pulsetelecom	Datasheet	1,086In Stock	Cut Tape $5.78 $5.23 $5.02 $4.86 Reel $3.94 View $4.68 $4.01 $3.77 $3.62 MouseReel Available	Min.: 1 Mult.: 1 : 600
Audio Transformers / Signal Transformers FA2924 SMT Flyback For Si341, Si3402 FA2924-ALD Coilcraft 1: $4.69 2,069In Stock	Mfr. Part # FA2924-ALD Mouser Part # 994-FA2924-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2924 SMT Flyback For Si341, Si3402 Learn More about Coilcraft power magnetics	Datasheet	2,069In Stock	Cut Tape $4.69 $3.71 $3.58 $3.34 Reel $3.16 View $3.03 $2.98 $2.88 Quote MouseReel Available	Min.: 1 Mult.: 1 : 175	15 W
Pulse Transformers PA6549 2W AEC-Q200 For ADI ADuM347x PA6549-ALD Coilcraft 1: $6.46 1,809In Stock	Mfr. Part # PA6549-ALD Mouser Part # 994-PA6549-ALD	Coilcraft	Pulse Transformers PA6549 2W AEC-Q200 For ADI ADuM347x Learn More about Coilcraft power magnetics	Datasheet	1,809In Stock	Cut Tape $6.46 $5.08 $4.86 $4.73 Reel $4.25 View $4.58 $4.39 $4.12 $3.96 MouseReel Available	Min.: 1 Mult.: 1 : 600
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.03-250 MHz PWB2010-1LC Coilcraft 1: $4.50 800In Stock	Mfr. Part # PWB2010-1LC Mouser Part # 994-PWB2010-1LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.03-250 MHz	Datasheet	800In Stock	Cut Tape $4.50 $3.57 Reel $3.03 $2.91 $2.86 View $2.76 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	250 mW (1/4 W)