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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
Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft 1: $3.31 3,048In Stock	Mfr. Part # 1812WBT-3LC Mouser Part # 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 $2.68 $2.58 $2.41 Reel $2.26 View $2.32 $2.15 $2.09 $2.02 MouseReel Available	Min.: 1 Mult.: 1 : 600	250 mW (1/4 W)
Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 DA2034-ALD Coilcraft 1: $6.55 1,717In Stock 1,050Expected 12/7/2026	Mfr. Part # DA2034-ALD Mouser Part # 994-DA2034-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 Learn More about Coilcraft power magnetics	Datasheet	1,717In Stock 1,050Expected 12/7/2026	Cut Tape $6.55 $5.59 $5.36 $5.20 Reel $4.58 View $4.82 $4.41 $4.28 MouseReel Available	Min.: 1 Mult.: 1 : 175
Current Transformers - Board Mount Current Sense Transformer Vishay / Dale LPE3325ER125CST LPE3325ER125CST Vishay / Dale 1: $3.25 1,688In Stock	Mfr. Part # LPE3325ER125CST Mouser Part # 70-LPE3325ER125CST	Vishay / Dale	Current Transformers - Board Mount Current Sense Transformer	Datasheet	1,688In Stock	Cut Tape $3.25 $2.66 $2.31 $2.24 Reel $2.02 View $2.17 $2.14 $2.12 $1.99 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Power Transformers - Industrial 1C,1.5KVA,120X240-16/32,115C,3R,BB,QB 9T51B0131 ABB 1: $1,924.49 1In Stock New At Mouser	Mfr. Part # 9T51B0131 Mouser Part # 894-9T51B0131 New At Mouser	ABB	Power Transformers - Industrial 1C,1.5KVA,120X240-16/32,115C,3R,BB,QB	Datasheet	1In Stock	$1,924.49	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A HPX2126LD Coilcraft 1: $10.26 532In Stock	Mfr. Part # HPX2126LD Mouser Part # 994-HPX2126LD	Coilcraft	Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A Learn More about Coilcraft high power poe single path magnetics	Datasheet	532In Stock	Cut Tape $10.26 $9.07 $8.64 $8.48 Reel $7.88 View $8.22 $7.62 $7.38 MouseReel Available	Min.: 1 Mult.: 1 : 300
Audio Transformers / Signal Transformers POE70P Flyback 7uH 5.0 V 1.4 A POE70P-50LD Coilcraft 1: $4.42 1,748In Stock	Mfr. Part # POE70P-50LD Mouser Part # 994-POE70P-50LD	Coilcraft	Audio Transformers / Signal Transformers POE70P Flyback 7uH 5.0 V 1.4 A Learn More about Coilcraft poexp flyback transformers	Datasheet	1,748In Stock	Cut Tape $4.42 $3.49 $3.37 $3.14 Reel $2.98 View $2.85 $2.80 $2.71 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount Miniture SMT Transformer Q4470-CLD Coilcraft 1: $4.20 4,406In Stock 15,000On Order	Mfr. Part # Q4470-CLD Mouser Part # 994-Q4470-CLD	Coilcraft	Power Transformers - Board Mount Miniture SMT Transformer	Datasheet	4,406In Stock 15,000On Order On Order Ship Dates Mfr. #: Q4470-CLD Stock: 4,406 Can Ship Immediately On Order: 6,000 Expected 12/11/2026 9,000 Expected 1/15/2027 Factory Lead-Time: 10 Weeks	Cut Tape $4.20 $3.44 $2.98 $2.88 Reel $2.62 View $2.80 $2.77 $2.73 $2.58 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Power Transformers - Board Mount XFMR, GATE-DR, 8CT:9CT, SM NPB PM2180.089NL Pulse Electronics 1: $2.77 2,480In Stock	Mfr. Part # PM2180.089NL Mouser Part # 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 525In Stock 29,500On Order	Mfr. Part # CJ5143-ALC Mouser Part # 994-CJ5143-ALC	Coilcraft	Audio Transformers / Signal Transformers CJ5143 for NCP5080 350V 1.2A SMT Learn More about Coilcraft power magnetics	Datasheet	525In Stock 29,500On Order On Order Ship Dates Mfr. #: CJ5143-ALC Stock: 525 Can Ship Immediately On Order: 7,250 Expected 11/23/2026 13,000 Expected 1/8/2027 9,250 Expected 1/15/2027 Factory Lead-Time: 10 Weeks	Cut Tape $5.94 $4.62 Reel $3.93 $3.79 $3.67 $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 961In Stock	Mfr. Part # CST7030-100LC Mouser Part # 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	961In Stock	Cut Tape $3.30 $2.70 $2.34 $2.27 Reel $2.15 View $2.20 $2.17 $2.06 $2.03 MouseReel Available	Min.: 1 Mult.: 1 : 600		SMD/SMT
Power Transformers - Board Mount YA8779-BLD Coilcraft 1: $5.20 3,302In Stock	Mfr. Part # YA8779-BLD Mouser Part # 994-YA8779-BL	Coilcraft	Power Transformers - Board Mount	Datasheet	3,302In Stock	Cut Tape $5.20 $4.16 $4.00 $3.87 Reel $3.60 View $3.75 $3.49 $3.38 $3.24 MouseReel Available	Min.: 1 Mult.: 1 : 300
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5016T iNRCORE 1: $30.94 86In Stock 700Expected 1/13/2027	Mfr. Part # 1000B-5016T Mouser Part # 673-1000B-5016T	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	86In Stock 700Expected 1/13/2027	Cut Tape $30.94 $27.59 $26.35 $25.44 View Reel $22.42 $24.57 $23.74 $22.42 Quote	Min.: 1 Mult.: 1 : 700
Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 DA2257-ALD Coilcraft 1: $5.22 2,558In Stock	Mfr. Part # DA2257-ALD Mouser Part # 994-DA2257-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 Learn More about Coilcraft power magnetics	Datasheet	2,558In Stock	Cut Tape $5.22 $4.13 $3.98 $3.71 Reel $3.52 View $3.37 $3.31 $3.20 Quote MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz PWB-16-BLC Coilcraft 1: $7.13 1,423In Stock	Mfr. Part # PWB-16-BLC Mouser Part # 994-PWB-16-BLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz	Datasheet	1,423In Stock	Cut Tape $7.13 $6.09 $5.86 Reel $4.98 $4.80 $4.66 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz WBC4-4LC Coilcraft 1: $5.36 1,361In Stock	Mfr. Part # WBC4-4LC Mouser Part # 994-WBC4-4LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz	Datasheet	1,361In Stock	Cut Tape $5.36 $5.30 $4.40 Reel $3.80 $3.73 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 750
Audio Transformers / Signal Transformers 100B-1001FX iNRCORE 1: $31.39 86In Stock	Mfr. Part # 100B-1001FX Mouser Part # 673-100B-1001FX	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	86In Stock	$31.39 $27.98 $26.73 $26.37 View $23.94 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 FA2805-CLD Coilcraft 1: $5.19 1,356In Stock 1,400On Order	Mfr. Part # FA2805-CLD Mouser Part # 994-FA2805-CLD	Coilcraft	Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 Learn More about Coilcraft power magnetics	Datasheet	1,356In Stock 1,400On Order On Order Ship Dates Mfr. #: FA2805-CLD Stock: 1,356 Can Ship Immediately On Order: 525 Expected 11/17/2026 875 Expected 11/23/2026 Factory Lead-Time: 10 Weeks	Cut Tape $5.19 $4.11 $3.96 $3.69 Reel $3.50 View $3.35 $3.30 $3.19 Quote MouseReel Available	Min.: 1 Mult.: 1 : 175	15 W
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A POE300F-50LD Coilcraft 1: $7.48 459In Stock	Mfr. Part # POE300F-50LD Mouser Part # 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	459In Stock	Cut Tape $7.48 $6.39 $6.13 $5.94 Reel $5.23 View $5.51 $5.04 $4.89 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:1 0.400-600 MHz WBC1-1LC Coilcraft 1: $4.59 1,435In Stock 2,250Expected 1/1/2027	Mfr. Part # WBC1-1LC Mouser Part # 994-WBC1-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:1 0.400-600 MHz	Datasheet	1,435In Stock 2,250Expected 1/1/2027	Cut Tape $4.59 $4.20 $4.12 $3.98 Reel $3.48 View $3.60 $3.52 $3.42 Quote MouseReel Available	Min.: 1 Mult.: 1 : 750	250 mW
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz WBC9-1LC Coilcraft 1: $6.61 524In Stock	Mfr. Part # WBC9-1LC Mouser Part # 994-WBC9-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz	Datasheet	524In Stock	Cut Tape $6.61 $5.64 $4.82 Reel $4.36 $4.34 MouseReel Available	Min.: 1 Mult.: 1 : 750	250 mW
Power Transformers - Industrial IS1000HGDV IS1000HGDV Tripp Lite 1: $1,159.71 2In Stock 2Expected 11/20/2026	Mfr. Part # IS1000HGDV Mouser Part # 545-IS1000HGDV	Tripp Lite	Power Transformers - Industrial IS1000HGDV Due to size or weight of the product, your shipping charge may increase.	Datasheet	2In Stock 2Expected 11/20/2026	$1,159.71	Min.: 1 Mult.: 1	1 kW
Current Transformers - Board Mount CU8965 1:100 20A 1.33mH AEC-Q200 CU8965-ALC Coilcraft 1: $3.42 1,935In Stock 1,800Expected 12/11/2026	Mfr. Part # CU8965-ALC Mouser Part # 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	1,935In Stock 1,800Expected 12/11/2026	Cut Tape $3.42 $2.80 $2.42 $2.35 Reel $2.22 View $2.28 $2.25 $2.13 $2.10 MouseReel Available	Min.: 1 Mult.: 1 : 600
Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A POE24PR-12ED Coilcraft 1: $6.39 1,085In Stock 450Expected 11/12/2026	Mfr. Part # POE24PR-12ED Mouser Part # 994-POE24PR-12ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A Learn More about Coilcraft flyback forward poe transformers	Datasheet	1,085In Stock 450Expected 11/12/2026	Cut Tape $6.39 $4.96 $4.76 $4.62 Reel $4.21 View $4.46 $4.07 $3.93 $3.91 MouseReel Available	Min.: 1 Mult.: 1 : 150	24 W
Audio Transformers / Signal Transformers E4/STM-01/STS-3/OC-3 16P SMD Single Ch TG04-TDK2NSRL HALO Electronics 1: $3.39 985In Stock	Mfr. Part # TG04-TDK2NSRL Mouser Part # 493-TG04-TDK2NSRL	HALO Electronics	Audio Transformers / Signal Transformers E4/STM-01/STS-3/OC-3 16P SMD Single Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	985In Stock	$3.39 $3.28 $3.20 $3.03 View $2.54 $2.36 $2.28	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port H5200NL Pulse Electronics 1: $13.80 168In Stock	Mfr. Part # H5200NL Mouser Part # 673-H5200NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulse 1gigabit poe poeplus smd transformers	Datasheet	168In Stock	$13.80 $12.47 $11.80 $11.18 View $9.71 $9.50 $9.35 $9.24 Quote	Min.: 1 Mult.: 1