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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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RoHS Compliant

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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 RF XFMR / SURF MOUNT / RoHS ADTT4-1+ Mini-Circuits 1: $7.38 4,086In Stock	Mfr. Part # ADTT4-1+ Mouser Part # 139-ADTT4-1	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS	Datasheet	4,086In Stock	Cut Tape $7.38 $7.37 Reel $7.35 $7.19 $7.00 $6.86 MouseReel Available	Min.: 1 Mult.: 1 : 100	250 mW
Power Transformers - Board Mount BMS Transformer/CMC, 6PIN,SGL,6.4kVDC SM91519L-E Bourns 1: $6.88 6,111In Stock	Mfr. Part # SM91519L-E Mouser Part # 652-SM91519L-E	Bourns	Power Transformers - Board Mount BMS Transformer/CMC, 6PIN,SGL,6.4kVDC Learn More about Bourns sm915xxl	Datasheet	6,111In Stock	Cut Tape $6.88 $5.41 $5.17 $5.03 Reel $4.52 View $4.87 $4.67 $4.38 $4.21 MouseReel Available	Min.: 1 Mult.: 1 : 600		PCB Mount
Pulse Transformers PULSE TRANSFORMERS IT370 TE Connectivity / Schaffner 1: $36.28 697In Stock	Mfr. Part # IT370 Mouser Part # 631-IT370	TE Connectivity / Schaffner	Pulse Transformers PULSE TRANSFORMERS Learn More about TE Connectivity / Schaffner schaffner it transformers	Datasheet	697In Stock	$36.28 $30.83 $29.56 $28.63 View $26.38 $25.51 Quote	Min.: 1 Mult.: 1
Current Transformers - Board Mount 7mH 5kVDC 50A DCR=.5mohms T=1:125 AEC-Q200 PMS6322.125NLT Pulse Electronics 1: $4.37 616In Stock	Mfr. Part # PMS6322.125NLT Mouser Part # 673-PMS6322.125NLT	Pulse Electronics	Current Transformers - Board Mount 7mH 5kVDC 50A DCR=.5mohms T=1:125 AEC-Q200 Learn More about Pulse Electronics pulse aec q200 current sense transformers	Datasheet	616In Stock	Cut Tape $4.37 $3.95 $3.60 $3.49 Reel $2.77 View $3.38 $2.74 $2.71 MouseReel Available	Min.: 1 Mult.: 1 : 350		SMD/SMT
Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T 749020310 Wurth Elektronik 1: $7.00 7,399In Stock	Mfr. Part # 749020310 Mouser Part # 710-749020310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	7,399In Stock	Cut Tape $7.00 $6.14 $5.48 Reel $4.73 $3.84 MouseReel Available	Min.: 1 Mult.: 1 : 400
Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port 749024012 Wurth Elektronik 1: $21.81 1,593In Stock	Mfr. Part # 749024012 Mouser Part # 710-749024012	Wurth Elektronik	Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1,593In Stock	Cut Tape $21.81 $21.06 $19.89 Reel $17.78 $16.67 MouseReel Available	Min.: 1 Mult.: 1 : 175
Power Transformers - Board Mount MID-UDS PGA460 3 mH 750317161 Wurth Elektronik 1: $10.69 5,649In Stock	Mfr. Part # 750317161 Mouser Part # 710-750317161	Wurth Elektronik	Power Transformers - Board Mount MID-UDS PGA460 3 mH Learn More about Wurth Elektronik wurth electronics signal transformers	Datasheet	5,649In Stock	Cut Tape $10.69 $10.68 $10.67 Reel $10.12 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 800		SMD/SMT
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
Current Transformers - Board Mount CST7030 1:150 20A 2.993mH AEC-Q200 CST7030-150LC Coilcraft 1: $3.31 923In Stock	Mfr. Part # CST7030-150LC Mouser Part # 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 $2.18 $2.07 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 600		SMD/SMT
Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 FA2805-CLD Coilcraft 1: $5.19 1,356In Stock 1,400Expected 11/23/2026	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 1,400Expected 11/23/2026	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 464In 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	464In 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 1:9 0.300-500 MHz WBC9-1LC Coilcraft 1: $6.61 533In 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	533In Stock	Cut Tape $6.61 $5.64 $4.82 Reel $4.36 $4.34 MouseReel Available	Min.: 1 Mult.: 1 : 750	250 mW
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 2,613In 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	2,613In 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 WBC SMT Mini Wdebnd 1:4 0.250-800 MHz WBC4-4LC Coilcraft 1: $5.36 611In Stock 750Expected 11/9/2026	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	611In Stock 750Expected 11/9/2026	Cut Tape $5.36 $5.30 $4.40 Reel $3.80 $3.73 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 750
Current Transformers - Board Mount 2mH 4400Vdc AEC-Q200 10A DCR=3mOhms PH9500.065NLT Pulse Electronics 1: $3.45 1,057In Stock	Mfr. Part # PH9500.065NLT Mouser Part # 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 $2.82 $2.60 $2.52 Reel $2.29 View $2.36 $2.24 $2.15 $1.82	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 # 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 550In Stock 16,500On 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	550In Stock 16,500On Order On Order Ship Dates Mfr. #: CJ5143-ALC Stock: 550 Can Ship Immediately On Order: 7,250 Expected 11/23/2026 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 971In 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	971In 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
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
Audio Transformers / Signal Transformers FA2732 SMT Flyback For Si3401, Si3402 FA2732-ALD Coilcraft 1: $3.72 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 $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 12/21/2026	Mfr. Part # PWB1010LC Mouser Part # 994-PWB1010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz	Datasheet	1,844In Stock 2,750Expected 12/21/2026	Cut Tape $4.33 $3.43 Reel $2.92 $2.80 $2.75 View $2.66 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
Power Transformers - Industrial IS1000HGDV IS1000HGDV Tripp Lite 1: $1,159.71 2In Stock 2Expected 11/24/2026	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 11/24/2026	$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 2,145In 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	2,145In 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