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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	Secondary Voltage Rating	Mounting Style
Current Transformers - Board Mount 10mH 2250Vdc 30A DCR= 0.35mOhms PH9494.200NLT Pulse Electronics 1: $2.33 3,354In Stock	Mfr. Part No. PH9494.200NLT Mouser Part No 673-PH9494.200NLT	Pulse Electronics	Current Transformers - Board Mount 10mH 2250Vdc 30A DCR= 0.35mOhms Learn More about Pulse Electronics pulse aec q200 current sense transformers	Datasheet	3,354In Stock	Cut Tape $2.33 $2.11 $1.90 $1.85 Reel $1.54 View $1.79 $1.60 $1.41 $1.40	Min.: 1 Mult.: 1 : 450					PCB Mount
Audio Transformers / Signal Transformers 10/100 Base-T SMT Transformer 1 Port 7490100111 Wurth Elektronik 1: $5.30 2,644In Stock	Mfr. Part No. 7490100111 Mouser Part No 710-7490100111	Wurth Elektronik	Audio Transformers / Signal Transformers 10/100 Base-T SMT Transformer 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	2,644In Stock	Cut Tape $5.30 $5.20 $4.83 $4.47 Reel $3.52 View $4.40 $3.50 MouseReel Available	Min.: 1 Mult.: 1 : 750
Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 1Port 1500Vrms 749024015C Wurth Elektronik 1: $14.87 360In Stock	Mfr. Part No. 749024015C Mouser Part No 710-749024015C	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 1Port 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	360In Stock	Cut Tape $14.87 $14.79 $14.70 $14.68 View Reel $12.26 $14.64 $14.62 $14.28 $12.26 MouseReel Available	Min.: 1 Mult.: 1 : 400
Power Transformers - Board Mount WE-PoE+ Size EFD20 42uH 0.061ohm 7491194912 Wurth Elektronik 1: $6.01 484In Stock	Mfr. Part No. 7491194912 Mouser Part No 710-7491194912	Wurth Elektronik	Power Transformers - Board Mount WE-PoE+ Size EFD20 42uH 0.061ohm Learn More about Wurth Elektronik we PoE transformers	Datasheet	484In Stock	Cut Tape $6.01 $5.80 $5.48 Reel $5.15 $4.83 MouseReel Available	Min.: 1 Mult.: 1 : 125		30 W	36 V to 72 V	12 V	SMD/SMT
Power Transformers - Board Mount WE-FLEX DCR=344mOhms 27.4uH 500VDC SMD 749196111 Wurth Elektronik 1: $5.50 536In Stock	Mfr. Part No. 749196111 Mouser Part No 710-749196111	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX DCR=344mOhms 27.4uH 500VDC SMD Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	536In Stock	Cut Tape $5.50 $5.02 $4.95 $4.54 Reel $3.55 View $4.04 $3.54 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers WE-STST 4532 300uH 1Ch Sgl Pair Ether 749302010 Wurth Elektronik 1: $2.54 1,735In Stock	Mfr. Part No. 749302010 Mouser Part No 710-749302010	Wurth Elektronik	Audio Transformers / Signal Transformers WE-STST 4532 300uH 1Ch Sgl Pair Ether Learn More about Wurth Elektronik wurth single pair ethernet signal transformers	Datasheet	1,735In Stock	Cut Tape $2.54 $2.43 Reel $2.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W 750311659 Wurth Elektronik 1: $2.94 1,398In Stock	Mfr. Part No. 750311659 Mouser Part No 710-750311659	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	1,398In Stock	Cut Tape $2.94 $2.55 $2.48 $2.40 Reel $2.28 View $2.20 $2.05 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300		1.9 W	36 V to 72 V	24 V	SMD/SMT
Power Transformers - Board Mount MID-FLYLT LT3798 14 uH 112 W 750312872 Wurth Elektronik 1: $28.51 919In Stock	Mfr. Part No. 750312872 Mouser Part No 710-750312872	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT3798 14 uH 112 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	919In Stock	$28.51 $26.32 $18.10	Min.: 1 Mult.: 1		112 W	20 V to 60 V	28 V	Through Hole
Power Transformers - Board Mount POWER TRANSFORMER THROUGH 5VA PL5.0-16-130B Tamura 1: $9.68 253In Stock	Mfr. Part No. PL5.0-16-130B Mouser Part No 838-PL5.0-16-130B	Tamura	Power Transformers - Board Mount POWER TRANSFORMER THROUGH 5VA	Datasheet	253In Stock	$9.68 $8.47 $8.13 $7.83 View $7.61 $7.08 $7.07 $6.85	Min.: 1 Mult.: 1		5 VA			Through Hole
Audio Transformers / Signal Transformers V263 E6.3 SMD TRANSFORMER B78304B1032A003 TDK 1: $6.66 782In Stock	Mfr. Part No. B78304B1032A003 Mouser Part No 871-B78304B1032A3	TDK	Audio Transformers / Signal Transformers V263 E6.3 SMD TRANSFORMER	Datasheet	782In Stock	Cut Tape $6.66 $5.37 $5.20 $4.68 Reel $4.08 View $4.51 $4.42 $4.36 $3.90 MouseReel Available	Min.: 1 Mult.: 1 : 900
Current Transformers - Board Mount 12.6mH N1:N2=1:150 T4145 EF12.6 SMD B82801C1265A150 TDK 1: $3.26 773In Stock	Mfr. Part No. B82801C1265A150 Mouser Part No 871-B82801C1265A150	TDK	Current Transformers - Board Mount 12.6mH N1:N2=1:150 T4145 EF12.6 SMD Learn More about TDK epcosb82801c	Datasheet	773In Stock	Cut Tape $3.26 $2.95 $2.74 $2.66 Reel $2.55 View $2.58 $2.22 MouseReel Available	Min.: 1 Mult.: 1 : 200					SMD/SMT
Current Transformers - Industrial CURRENT TRANSFORMER W/ FLUX CONDITIONER EFCT-1FC Littelfuse 1: $178.39 19In Stock	Mfr. Part No. EFCT-1FC Mouser Part No 576-EFCT-1FC	Littelfuse	Current Transformers - Industrial CURRENT TRANSFORMER W/ FLUX CONDITIONER	Datasheet	19In Stock	$178.39	Min.: 1 Mult.: 1	No
Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz TG01-FC07N1RL HALO Electronics 1: $11.62 399In Stock	Mfr. Part No. TG01-FC07N1RL Mouser Part No 493-TG01-FC07N1RL	HALO Electronics	Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz Learn More about HALO Electronics halo ethernet transformers	Datasheet	399In Stock	$11.62 $7.50 $6.12 $4.95 View $4.15 $3.58 $3.42 $3.33	Min.: 1 Mult.: 1
Pulse Transformers MDL,SIN,1GD,1:1,SMT,TU, NPB H5143NL Pulse Electronics 1: $8.99 227In Stock	Mfr. Part No. H5143NL Mouser Part No 673-H5143NL	Pulse Electronics	Pulse Transformers MDL,SIN,1GD,1:1,SMT,TU, NPB	Datasheet	227In Stock	$8.99 $7.28 $6.99 $6.76 View $6.55 $5.43 $5.41	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T-1250SCTNL iNRCORE 1: $73.47 21In Stock	Mfr. Part No. T-1250SCTNL Mouser Part No 673-T-1250SCTNL	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	21In Stock	$73.47 $66.04 $61.58 $61.57 View $61.55 Quote	Min.: 1 Mult.: 1
Current Transformers - Industrial Split-Core Current Transformer; 20 A Input; 0-50 mA/0.333 V Output; 1 m 2-wire Twisted Pair Cable BWA-CURRENT-TRANSFORMER-20A Banner Engineering 1: $35.01 7In Stock	Mfr. Part No. BWA-CURRENT-TRANSFORMER-20A Mouser Part No 778-BWACURTRNSFRM20A	Banner Engineering	Current Transformers - Industrial Split-Core Current Transformer; 20 A Input; 0-50 mA/0.333 V Output; 1 m 2-wire Twisted Pair Cable	Datasheet	7In Stock	$35.01	Min.: 1 Mult.: 1		-			Free Hanging
Current Transformers - Board Mount 40A 7.07Mh 2.5ohms AEC-Q200 CST2020-100L Coilcraft 1: $3.40 393In Stock	Mfr. Part No. CST2020-100L Mouser Part No 994-CST2020-100L	Coilcraft	Current Transformers - Board Mount 40A 7.07Mh 2.5ohms AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	393In Stock	$3.40 $2.78 $2.41 $2.40 $2.02	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2 NA5730-ALD Coilcraft 1: $6.97 51In Stock	Mfr. Part No. NA5730-ALD Mouser Part No 994-NA5730-ALD	Coilcraft	Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2 Learn More about Coilcraft power magnetics	Datasheet	51In Stock	Cut Tape $6.97 $5.40 $5.19 $5.04 Reel $4.68 View $4.87 $4.52 $4.38 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A POE21PR-33ED Coilcraft 1: $6.40 61In Stock	Mfr. Part No. POE21PR-33ED Mouser Part No 994-POE21PR-33ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A Learn More about Coilcraft flyback forward poe transformers	Datasheet	61In Stock	Cut Tape $6.40 $4.83 $4.59 $4.30 Reel $3.93 View $4.11 $3.80 $3.68 MouseReel Available	Min.: 1 Mult.: 1 : 150		21 W
Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A POE30P-33LD Coilcraft 1: $3.72 127In Stock 700Expected 2026/09/25	Mfr. Part No. POE30P-33LD Mouser Part No 994-POE30P-33LD	Coilcraft	Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A Learn More about Coilcraft poexp flyback transformers	Datasheet	127In Stock 700Expected 2026/09/25	Cut Tape $3.72 $2.81 $2.67 $2.51 Reel $2.30 View $2.40 $2.22 $2.15 MouseReel Available	Min.: 1 Mult.: 1 : 350
Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz PWB-2-CLC Coilcraft 1: $5.43 301In Stock	Mfr. Part No. PWB-2-CLC Mouser Part No 994-PWB-2-CLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz	Datasheet	301In Stock	Cut Tape $5.43 $4.11 $3.90 $3.66 Reel $3.35 View $3.49 $3.24 $3.14 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec SWB3010-SMLD Coilcraft 1: $4.11 1In Stock 500Expected 2026/12/18	Mfr. Part No. SWB3010-SMLD Mouser Part No 994-SWB3010-SMLD	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	1In Stock 500Expected 2026/12/18	Cut Tape $4.11 $3.11 $2.95 $2.76 Reel $2.45 View $2.63 $2.54 $2.37 MouseReel Available	Min.: 1 Mult.: 1 : 500		250 mW (1/4 W)
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB4-1HL Coilcraft 1: $5.02 43In Stock	Mfr. Part No. WB4-1HL Mouser Part No 994-WB4-1HL	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W	Datasheet	43In Stock	$5.02 $3.79 $3.61 $3.38 View $3.22 $3.09 $2.99 $2.90	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers SMD ISOLATION MODULE TG111-E112NYLF HALO Electronics 1: $8.23 893In Stock	Mfr. Part No. TG111-E112NYLF Mouser Part No 493-TG111-E112NYLF	HALO Electronics	Audio Transformers / Signal Transformers SMD ISOLATION MODULE	Datasheet	893In Stock	$8.23 $7.86 $7.18 $6.87 View $5.92 $5.80 $5.79 $5.44	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER 14A 2.5VA REVISED 14A-2.5R-24 Bel Signal Transformer 1: $13.48 192In Stock	Mfr. Part No. 14A-2.5R-24 Mouser Part No 530-14A-2.5R-24	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER 14A 2.5VA REVISED Learn More about Bel Signal Transformer signal transformer 14a transformers	Datasheet	192In Stock	$13.48 $12.36 $11.61 $11.18 View $10.96 $10.04 $9.90 Quote	Min.: 1 Mult.: 1		2.5 VA	115 VAC, 230 VAC	24 V CT/12 V	Through Hole