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Transformers

Transformers are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many transformer manufacturers including Bel, Coilcraft, Hammond, ICE Components, Pulse Electronics, 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.	RoHS	Power Rating	Primary Voltage Rating	Mounting Style
Audio Transformers / Signal Transformers Forward PoE 72W 100uH 12V 15% POE72PR-12ED Coilcraft 1: $6.38 177In Stock	Mfr. Part No. POE72PR-12ED Mouser Part No 994-POE72PR-12ED	Coilcraft	Audio Transformers / Signal Transformers Forward PoE 72W 100uH 12V 15% Learn More about Coilcraft flyback forward poe transformers	Datasheet	177In Stock	Cut Tape $6.38 $4.81 $4.58 $4.29 Reel $3.93 View $4.11 $3.80 $3.68 MouseReel Available	Min.: 1 Mult.: 1 : 150		72 W
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.080-450 MHz PWB-1-ALC Coilcraft 1: $3.47 149In Stock	Mfr. Part No. PWB-1-ALC Mouser Part No 994-PWB-1-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.080-450 MHz	Datasheet	149In Stock	Cut Tape $3.47 $2.62 $2.52 Reel $2.14 $2.07 $2.01 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.050-80 MHz PWB-16-ALC Coilcraft 1: $5.35 235In Stock	Mfr. Part No. PWB-16-ALC Mouser Part No 994-PWB-16-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.050-80 MHz	Datasheet	235In Stock	Cut Tape $5.35 $4.04 $3.84 $3.61 Reel $3.29 View $3.44 $3.19 $3.09 MouseReel Available	Min.: 1 Mult.: 1 : 250
Power Transformers - Board Mount Q4438 Flybck Regltor 12 V, -12 V 0.63 A Q4438-BL Coilcraft 1: $6.22 387In Stock 210Expected 2026/11/16	Mfr. Part No. Q4438-BL Mouser Part No 994-Q4438-BL	Coilcraft	Power Transformers - Board Mount Q4438 Flybck Regltor 12 V, -12 V 0.63 A Learn More about Coilcraft power magnetics	Datasheet	387In Stock 210Expected 2026/11/16	$6.22 $4.98 $4.78 $4.64 View $4.49 $4.31 $4.18 $4.04 $3.88	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec SWB3010-PCL Coilcraft 1: $4.11 18In Stock	Mfr. Part No. SWB3010-PCL Mouser Part No 994-SWB3010-PCL	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	18In Stock	$4.11 $3.11 $2.95 $2.76 View $2.63 $2.54 $2.45 $2.37	Min.: 1 Mult.: 1		250 mW (1/4 W)
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB9-1L Coilcraft 1: $5.88 8In Stock 70Expected 2026/09/29	Mfr. Part No. WB9-1L Mouser Part No 994-WB9-1L	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W	Datasheet	8In Stock 70Expected 2026/09/29	$5.88 $4.44 $4.22 $3.97 View $3.77 $3.62 $3.51 $3.40	Min.: 1 Mult.: 1		250 mW (1/4 W)
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:1 0.400-600 MHz WBC1-1LC Coilcraft 1: $4.92 50In Stock 1,500Expected 2026/11/02	Mfr. Part No. WBC1-1LC Mouser Part No 994-WBC1-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:1 0.400-600 MHz	Datasheet	50In Stock 1,500Expected 2026/11/02	Cut Tape $4.92 $4.69 $3.62 $3.44 $3.38 Reel $3.26 MouseReel Available	Min.: 1 Mult.: 1 : 750		250 mW
Audio Transformers / Signal Transformers 10-1000MHz 75Ohm 1:1 SMD RF Xfmr Pulse Electronics CX2024NL CX2024NL Pulse Electronics 1: $3.54 1,000In Stock	Mfr. Part No. CX2024NL Mouser Part No 673-CX2024NL	Pulse Electronics	Audio Transformers / Signal Transformers 10-1000MHz 75Ohm 1:1 SMD RF Xfmr	Datasheet	1,000In Stock	$3.54 $3.08 $2.99 $2.90 View $2.76 $2.02	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 4-Port Pulse Electronics T1142NL T1142NL Pulse Electronics 1: $11.07 325In Stock	Mfr. Part No. T1142NL Mouser Part No 673-T1142NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 4-Port	Datasheet	325In Stock	$11.07 $9.82 $9.00 $8.72 View $7.77 $7.00 $6.99 Quote	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing For MAX13253 1A Drv TGMR-H540V8LF HALO Electronics 1: $6.41 285In Stock	Mfr. Part No. TGMR-H540V8LF Mouser Part No 493-TGMR-H540V8LF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing For MAX13253 1A Drv Learn More about HALO Electronics halo dc dc transformers	Datasheet	285In Stock	$6.41 $6.40 $6.29 $5.30 View $5.16 $4.93 $4.81 Quote	Min.: 1 Mult.: 1				SMD/SMT
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port H5020NLT Pulse Electronics 1: $18.21 87In Stock	Mfr. Part No. H5020NLT Mouser Part No 673-H5020NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulselantrans	Datasheet	87In Stock	Cut Tape $18.21 $15.46 $14.69 $14.24 Reel $13.84 View $12.53 $12.46 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port PE-65968NLT Pulse Electronics 1: $7.05 804In Stock	Mfr. Part No. PE-65968NLT Mouser Part No 673-PE-65968NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port	Datasheet	804In Stock	Cut Tape $7.05 $6.02 $5.77 $5.61 Reel $4.95 View $5.42 $5.20 $4.44 $4.35 MouseReel Available	Min.: 1 Mult.: 1 : 500
Pulse Transformers 1.02mH 2.5kV Iso 3CT:4CT SM NPB PH9085.034NLT Pulse Electronics 1: $2.33 215In Stock	Mfr. Part No. PH9085.034NLT Mouser Part No 673-PH9085034NLT	Pulse Electronics	Pulse Transformers 1.02mH 2.5kV Iso 3CT:4CT SM NPB	Datasheet	215In Stock	Cut Tape $2.33 $1.93 $1.92 $1.90 Reel $1.34 View $1.59 $1.43 $1.31 $1.30 MouseReel Available	Min.: 1 Mult.: 1 : 700				SMD/SMT
Current Transformers - Board Mount CST4835 1:20 7A 33uH AEC-Q200 CST4835-020EC Coilcraft 1: $3.63 524In Stock	Mfr. Part No. CST4835-020EC Mouser Part No 994-CST4835-020EC	Coilcraft	Current Transformers - Board Mount CST4835 1:20 7A 33uH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	524In Stock	Cut Tape $3.63 $2.97 $2.79 Reel $2.37 $2.27 $2.23 MouseReel Available	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount POWER TRANSFORMER THROUGH 10VA PL10-36-130B Tamura 1: $12.83 354In Stock	Mfr. Part No. PL10-36-130B Mouser Part No 838-PL10-36-130B	Tamura	Power Transformers - Board Mount POWER TRANSFORMER THROUGH 10VA	Datasheet	354In Stock	$12.83 $10.91 $10.47 $10.13 View $8.52 $8.43 $8.42 $8.40	Min.: 1 Mult.: 1	No	10 VA		Through Hole
Current Transformers - Board Mount 10A Curr Sense Txfr 1:125 SM 53125C Murata Power Solutions 1: $1.74 1,990In Stock	Mfr. Part No. 53125C Mouser Part No 580-53125C	Murata Power Solutions	Current Transformers - Board Mount 10A Curr Sense Txfr 1:125 SM Learn More about Murata Power Solutions murata 5300 5400 5500 transformers	Datasheet	1,990In Stock	Cut Tape $1.74 $1.41 $1.34 $1.30 View Reel $0.929 $1.26 $1.19 $1.17 $0.929 MouseReel Available	Min.: 1 Mult.: 1 : 1,000				PCB Mount
Audio Transformers / Signal Transformers 5-100MHz 75Ohm 1:1 SMD RF Xfmr CX2147NL Pulse Electronics 1: $4.42 526In Stock	Mfr. Part No. CX2147NL Mouser Part No 673-CX2147NL	Pulse Electronics	Audio Transformers / Signal Transformers 5-100MHz 75Ohm 1:1 SMD RF Xfmr	Datasheet	526In Stock	$4.42 $4.00 $3.59 $3.13 View $2.48 $2.47 $2.43	Min.: 1 Mult.: 1
Power Transformers - Board Mount SMD HiFreq WireWound 155uH .9Ohms PA1282NLT Pulse Electronics 1: $3.70 557In Stock	Mfr. Part No. PA1282NLT Mouser Part No 673-PA1282NLT	Pulse Electronics	Power Transformers - Board Mount SMD HiFreq WireWound 155uH .9Ohms	Datasheet	557In Stock	Cut Tape $3.70 $3.35 $3.00 $2.91 Reel $2.80 View $2.83 $2.35 $2.22	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount Flyback Converter Transformer 52-332uH 1.7A DCR=0.22Ohms 1:2.53 PH9496NLT Pulse Electronics 1: $4.06 1,666In Stock	Mfr. Part No. PH9496NLT Mouser Part No 673-PH9496NLT	Pulse Electronics	Power Transformers - Board Mount Flyback Converter Transformer 52-332uH 1.7A DCR=0.22Ohms 1:2.53 Learn More about Pulse Electronics pulse er11 power transformers	Datasheet	1,666In Stock	Cut Tape $4.06 $3.68 $3.33 $3.22 Reel $3.01 View $3.01 $2.27 MouseReel Available	Min.: 1 Mult.: 1 : 175		1.5 W	8 V to 18 V	SMD/SMT
Power Transformers - Board Mount 1.26mH 1500V 2:3:3 DCR=0.6-0.95Ohms PH9572.233NLT Pulse Electronics 1: $2.64 525In Stock	Mfr. Part No. PH9572.233NLT Mouser Part No 673-PH9572.233NLT	Pulse Electronics	Power Transformers - Board Mount 1.26mH 1500V 2:3:3 DCR=0.6-0.95Ohms Learn More about Pulse Electronics pulse high isolation transformers	Datasheet	525In Stock	Cut Tape $2.64 $2.40 $2.17 $2.12 Reel $2.04 View $2.05 $1.98 $1.93 $1.91 MouseReel Available	Min.: 1 Mult.: 1 : 300		6 W		PCB Mount
Power Transformers - Board Mount 1CT:2CT Iso2500V For RS-485/232 AECQ2 PM2180.012NLT Pulse Electronics 1: $2.24 617In Stock	Mfr. Part No. PM2180.012NLT Mouser Part No 673-PM2180.012NLT	Pulse Electronics	Power Transformers - Board Mount 1CT:2CT Iso2500V For RS-485/232 AECQ2 Learn More about Pulse Electronics pulse pm21x aec q200 transformers	Datasheet	617In Stock	Cut Tape $2.24 $2.04 $1.86 $1.81 Reel $1.65 View $1.76 $1.74 $1.57 $1.54	Min.: 1 Mult.: 1 : 700				SMD/SMT
Audio Transformers / Signal Transformers PLC Transf PTH 0.7mH 1:1:2 135:135:230 T60403-K5032-X102 Vacuumschmelze 1: $4.98 8,855In Stock	Mfr. Part No. T60403-K5032-X102 Mouser Part No 983-T60403-K5032X102	Vacuumschmelze	Audio Transformers / Signal Transformers PLC Transf PTH 0.7mH 1:1:2 135:135:230 Learn More about Vacuumschmelze vac plc transformers	Datasheet	8,855In Stock	Cut Tape $4.98 $3.76 $3.58 $3.35 Reel $3.04 View $3.20 $2.97 $2.86 $2.85 MouseReel Available	Min.: 1 Mult.: 1 : 200
Current Transformers - Board Mount 15A Curr Sense Txfr 1:1:50 SM 54050C Murata Power Solutions 1: $2.02 1,173In Stock	Mfr. Part No. 54050C Mouser Part No 580-54050C	Murata Power Solutions	Current Transformers - Board Mount 15A Curr Sense Txfr 1:1:50 SM Learn More about Murata Power Solutions murata 5300 5400 5500 transformers	Datasheet	1,173In Stock	Cut Tape $2.02 $1.84 $1.70 $1.69 Reel $1.23 View $1.66 $1.58 $1.13 $1.12 MouseReel Available	Min.: 1 Mult.: 1 : 450				SMD/SMT
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por H1260NL Pulse Electronics 1: $4.61 464In Stock	Mfr. Part No. H1260NL Mouser Part No 673-H1260NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	464In Stock	$4.61 $3.97 $3.94 $3.61 View $3.49 $3.17 $2.81 $2.77 $2.76	Min.: 1 Mult.: 1
Power Transformers - Board Mount 8CT:3CT Iso5000V SMT 5kVrms AEC-Q200 PM2190.043NLT Pulse Electronics 1: $3.51 529In Stock	Mfr. Part No. PM2190.043NLT Mouser Part No 673-PM2190.043NLT	Pulse Electronics	Power Transformers - Board Mount 8CT:3CT Iso5000V SMT 5kVrms AEC-Q200 Learn More about Pulse Electronics pulse pm21x aec q200 transformers	Datasheet	529In Stock	Cut Tape $3.51 $3.17 $3.01 $2.92 Reel $2.50 View $2.81 $2.07	Min.: 1 Mult.: 1 : 150				SMD/SMT