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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
Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC SM91509AL-E Bourns 1: $4.90 1,928In Stock	Mfr. Part No. SM91509AL-E Mouser Part No 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 $4.90 $4.40 $4.14 $4.01 View Reel $3.35 $3.90 $3.73 $3.61 $3.36 $3.35 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: $8.89 280In Stock	Mfr. Part No. H5187NL Mouser Part No 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	$8.89 $8.01 $7.68 $7.43 View $6.59 $6.34 $6.29 $6.21 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port HX5004ENL Pulse Electronics 1: $7.33 1,366In Stock	Mfr. Part No. HX5004ENL Mouser Part No 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 $6.02 $5.83 View $5.41 $4.76 $4.65 $4.47	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 No. PA1005.040QNLT Mouser Part No 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 $1.40 View $1.54 $1.51 $1.45 $1.37 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: $5.48 549In Stock	Mfr. Part No. PE-65968NL Mouser Part No 673-PE-65968NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port	Datasheet	549In Stock	$5.48 $4.99 $4.83 $4.68 View $4.55 $4.27	Min.: 1 Mult.: 1
Pulse Transformers 3.2mH 4kV Iso 4:5 109Vus PH9385.045NLT Pulse Electronics 1: $3.38 1,126In Stock	Mfr. Part No. PH9385.045NLT Mouser Part No 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 $2.20 $2.06 $2.04 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 No. T3001NL Mouser Part No 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 $5.80 $4.78 $4.76	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers - ATB3225-50011CT-T000 TDK 1: $2.23 1,805In Stock	Mfr. Part No. ATB3225-50011CT-T000 Mouser Part No 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 $0.78	Min.: 1 Mult.: 1 : 1,000
Audio Transformers / Signal Transformers FA2732 SMT Flyback For Si3401, Si3402 FA2732-ALD Coilcraft 1: $3.72 940In Stock	Mfr. Part No. FA2732-ALD Mouser Part No 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 $3.72 $3.02 $2.90 $2.72 Reel $2.61 View $2.54 $2.42 $2.35 $2.28 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: $4.33 1,844In Stock 2,750Expected 2026/12/21	Mfr. Part No. PWB1010LC Mouser Part No 994-PWB1010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz	Datasheet	1,844In Stock 2,750Expected 2026/12/21	Cut Tape $4.33 $3.43 Reel $2.92 $2.80 $2.76 View $2.66 $2.54 MouseReel Available	Min.: 1 Mult.: 1 : 250
Current Transformers - Board Mount CU8965 1:100 20A 1.33mH AEC-Q200 CU8965-ALC Coilcraft 1: $3.42 2,155In Stock 1,800Expected 2026/12/11	Mfr. Part No. CU8965-ALC Mouser Part No 994-CU8965-ALC	Coilcraft	Current Transformers - Board Mount CU8965 1:100 20A 1.33mH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	2,155In Stock 1,800Expected 2026/12/11	Cut Tape $3.42 $2.80 $2.42 $2.35 Reel $2.22 View $2.28 $2.26 $2.13 $2.11 MouseReel Available	Min.: 1 Mult.: 1 : 600
Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A POE24PR-12ED Coilcraft 1: $6.40 1,290In Stock 450Expected 2026/11/23	Mfr. Part No. POE24PR-12ED Mouser Part No 994-POE24PR-12ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A Learn More about Coilcraft flyback forward poe transformers	Datasheet	1,290In Stock 450Expected 2026/11/23	Cut Tape $6.40 $4.97 $4.76 $4.62 Reel $4.21 View $4.47 $4.07 $3.93 $3.91 MouseReel Available	Min.: 1 Mult.: 1 : 150	24 W
Current Transformers - Board Mount CST7030 1:150 20A 2.993mH AEC-Q200 CST7030-150LC Coilcraft 1: $3.31 923In Stock	Mfr. Part No. CST7030-150LC Mouser Part No 994-CST7030-150LC	Coilcraft	Current Transformers - Board Mount CST7030 1:150 20A 2.993mH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	923In Stock	Cut Tape $3.31 $2.71 $2.35 $2.28 Reel $2.16 View $2.21 $2.17 $2.07 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 600		SMD/SMT
Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 12 V 1.08 A POE13P-12LD Coilcraft 1: $3.64 3,561In Stock 19,425On Order	Mfr. Part No. POE13P-12LD Mouser Part No 994-POE13P-12LD	Coilcraft	Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 12 V 1.08 A Learn More about Coilcraft poexp flyback transformers	Datasheet	3,561In Stock 19,425On Order On Order Ship Dates Mfr. No: POE13P-12LD Stock: 3,561 Can Dispatch Immediately On Order: 8,925 Expected 2026/11/20 10,500 Expected 2026/12/28 Factory Lead Time: 10 Weeks	Cut Tape $3.64 $2.95 $2.84 $2.66 Reel $2.55 View $2.49 $2.37 $2.30 $2.22 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A POE300F-50LD Coilcraft 1: $7.48 570In Stock	Mfr. Part No. POE300F-50LD Mouser Part No 994-POE300F-50LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	570In Stock	Cut Tape $7.48 $6.40 $6.13 $5.94 Reel $5.23 View $5.51 $5.04 $4.90 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz PWB-4-ALC Coilcraft 1: $3.00 1,046In Stock	Mfr. Part No. PWB-4-ALC Mouser Part No 994-PWB-4-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz	Datasheet	1,046In Stock	Cut Tape $3.00 $2.48 Reel $2.11 $2.05 $1.95 View $1.90 $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz WBC9-1LC Coilcraft 1: $6.61 544In Stock	Mfr. Part No. WBC9-1LC Mouser Part No 994-WBC9-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz	Datasheet	544In Stock	Cut Tape $6.61 $5.64 $4.83 Reel $4.36 $4.34 MouseReel Available	Min.: 1 Mult.: 1 : 750	250 mW
Current Transformers - Board Mount 2mH 4400Vdc AEC-Q200 10A DCR=3mOhms PH9500.065NLT Pulse Electronics 1: $3.45 1,057In Stock	Mfr. Part No. PH9500.065NLT Mouser Part No 673-PH9500.065NLT	Pulse Electronics	Current Transformers - Board Mount 2mH 4400Vdc AEC-Q200 10A DCR=3mOhms Learn More about Pulse Electronics pulse aec q200 current sense transformers	Datasheet	1,057In Stock	Cut Tape $3.45 $2.83 $2.61 $2.52 Reel $2.29 View $2.36 $2.24 $2.15 $1.83	Min.: 1 Mult.: 1 : 220		PCB Mount
Power Transformers - Board Mount XFMR, GATE-DR, 8CT:9CT, SM NPB PM2180.089NL Pulse Electronics 1: $2.77 2,480In Stock	Mfr. Part No. PM2180.089NL Mouser Part No 673-PM2180.089NL	Pulse Electronics	Power Transformers - Board Mount XFMR, GATE-DR, 8CT:9CT, SM NPB	Datasheet	2,480In Stock	$2.77 $2.24 $1.91 $1.85 View $1.79 $1.78 $1.77 $1.70 $1.41	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers CJ5143 for NCP5080 350V 1.2A SMT CJ5143-ALC Coilcraft 1: $5.94 2,194In Stock 16,500On Order	Mfr. Part No. CJ5143-ALC Mouser Part No 994-CJ5143-ALC	Coilcraft	Audio Transformers / Signal Transformers CJ5143 for NCP5080 350V 1.2A SMT Learn More about Coilcraft power magnetics	Datasheet	2,194In Stock 16,500On Order On Order Ship Dates Mfr. No: CJ5143-ALC Stock: 2,194 Can Dispatch Immediately On Order: 7,250 Expected 2026/11/23 9,250 Expected 2027/01/15 Factory Lead Time: 10 Weeks	Cut Tape $5.94 $4.62 Reel $3.93 $3.79 $3.68 $3.65 MouseReel Available	Min.: 1 Mult.: 1 : 250
Current Transformers - Board Mount CST7030 1:100 20A 1.33mH AEC-Q200 CST7030-100LC Coilcraft 1: $3.30 979In Stock	Mfr. Part No. CST7030-100LC Mouser Part No 994-CST7030-100LC	Coilcraft	Current Transformers - Board Mount CST7030 1:100 20A 1.33mH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	979In Stock	Cut Tape $3.30 $2.70 $2.34 $2.27 Reel $2.15 View $2.20 $2.17 $2.06 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 600		SMD/SMT
Power Transformers - Board Mount YA8779-BLD Coilcraft 1: $5.20 3,683In Stock	Mfr. Part No. YA8779-BLD Mouser Part No 994-YA8779-BL	Coilcraft	Power Transformers - Board Mount	Datasheet	3,683In Stock	Cut Tape $5.20 $4.16 $4.00 $3.87 Reel $3.61 View $3.76 $3.49 $3.38 $3.24 MouseReel Available	Min.: 1 Mult.: 1 : 300
Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft 1: $3.31 3,048In Stock	Mfr. Part No. 1812WBT-3LC Mouser Part No 994-1812WBT-3LC	Coilcraft	Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz Learn More about Coilcraft 1812WBT	Datasheet	3,048In Stock	Cut Tape $3.31 $2.67 $2.58 $2.41 Reel $2.26 View $2.33 $2.15 $2.09 $2.02 MouseReel Available	Min.: 1 Mult.: 1 : 600	250 mW (1/4 W)
Current Transformers - Board Mount CST1 1:125 20A 3KuH AEC-Q200 CST1-125LC Coilcraft 1: $3.44 933In Stock 250Expected 2026/11/11	Mfr. Part No. CST1-125LC Mouser Part No 994-CST1-125LC	Coilcraft	Current Transformers - Board Mount CST1 1:125 20A 3KuH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	933In Stock 250Expected 2026/11/11	Cut Tape $3.44 $2.81 $2.43 $2.36 Reel $2.26 View $2.29 $2.24 $2.14 $2.11 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 DA2034-ALD Coilcraft 1: $6.55 1,752In Stock 1,050Expected 2026/12/07	Mfr. Part No. DA2034-ALD Mouser Part No 994-DA2034-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 Learn More about Coilcraft power magnetics	Datasheet	1,752In Stock 1,050Expected 2026/12/07	Cut Tape $6.55 $5.59 $5.36 $5.20 Reel $4.58 View $4.83 $4.41 $4.28 MouseReel Available	Min.: 1 Mult.: 1 : 175