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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	Primary Voltage Rating	Secondary Voltage Rating	Mounting Style
Audio Transformers / Signal Transformers T-1250SCTNL iNRCORE 1: $79.32 21In Stock	Mfr. Part No. T-1250SCTNL Mouser Part No 673-T-1250SCTNL	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	21In Stock	$79.32 $70.94 $65.12 $64.17 View $63.28 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: $35.00 1In Stock 7Expected 17/11/2026	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	1In Stock 7Expected 17/11/2026	$35.00	Min.: 1 Mult.: 1				Free Hanging
Current Transformers - Board Mount 40A 7.07Mh 2.5ohms AEC-Q200 CST2020-100L Coilcraft 1: $3.40 356In 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	356In Stock	$3.40 $2.78 $2.41 $2.39 $2.02	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2 NA5730-ALD Coilcraft 1: $6.97 46In 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	46In Stock	Cut Tape $6.97 $5.96 $5.72 $5.54 Reel $4.88 View $5.14 $4.70 $4.56 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A POE21PR-33ED Coilcraft 1: $6.39 55In 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	55In Stock	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	21 W
Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A POE30P-33LD Coilcraft 1: $3.72 127In Stock 700On Order	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 700On Order	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 : 350
Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz PWB-2-CLC Coilcraft 1: $5.44 301In Stock 500Expected 08/01/2027	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 500Expected 08/01/2027	Cut Tape $5.44 $4.31 Reel $3.67 $3.51 $3.46 View $3.34 Quote 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 18/12/2026	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 18/12/2026	Cut Tape $4.11 $3.34 $3.30 Reel $2.81 $2.68 View $2.59 Quote 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: $5.03 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	$5.03 $3.97 $3.83 $3.57 View $3.39 $3.25 $3.19 $3.08 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 20P Quad Ch TG05-1205NM5RL HALO Electronics 1: $8.30 276In Stock	Mfr. Part No. TG05-1205NM5RL Mouser Part No 493-TG05-1205NM5RL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 20P Quad Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	276In Stock	$8.30 $3.93 $3.42 $3.39 View $2.67 $2.42 $2.34 $2.33 $2.21	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 1000B-5001NL iNRCORE 1: $45.81 27In Stock	Mfr. Part No. 1000B-5001NL Mouser Part No 673-1000B-5001NL	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	27In Stock	$45.81 $40.91 $39.11 $37.15 View $36.44 $35.64 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount 3CT:4CT Iso5000V SMT 5kVrms AEC-Q200 PM2190.034NLT Pulse Electronics 1: $4.20 643In Stock	Mfr. Part No. PM2190.034NLT Mouser Part No 673-PM2190.034NLT	Pulse Electronics	Power Transformers - Board Mount 3CT:4CT Iso5000V SMT 5kVrms AEC-Q200 Learn More about Pulse Electronics pulse pm21x aec q200 transformers	Datasheet	643In Stock	Cut Tape $4.20 $3.44 $3.11 $3.01 Reel $2.76 View $2.87 $2.73 $2.23 $2.21	Min.: 1 Mult.: 1 : 150				SMD/SMT
Current Transformers - Industrial Current Transfromer SPCT62/40400/5AVA5CL1 Altech 1: $20.12 3In Stock	Mfr. Part No. SPCT62/40400/5AVA5CL1 Mouser Part No 845-T62404005AVA5CL1	Altech	Current Transformers - Industrial Current Transfromer		3In Stock	$20.12 $19.58 $19.12 $18.74 View $18.20 $17.80 $17.56 Quote	Min.: 1 Mult.: 1		720 V		DIN Rail
Power Transformers - Industrial XFMR,1-PH,0.063KVA,PRI230V,SEC2.63,60HZ 4AM32421TN010EA0 Siemens 1: $600.60 1In Stock	Mfr. Part No. 4AM32421TN010EA0 Mouser Part No 982-4AM32421TN010EA0	Siemens	Power Transformers - Industrial XFMR,1-PH,0.063KVA,PRI230V,SEC2.63,60HZ	Datasheet	1In Stock	$600.60	Min.: 1 Mult.: 1	63 VA	230 V	24 V	Chassis Mount
Audio Transformers / Signal Transformers C1495 TI LM5070 13uH 3.3 V 4.0 A C1495-ALD Coilcraft 1: $4.00 49In Stock	Mfr. Part No. C1495-ALD Mouser Part No 994-C1495-ALD	Coilcraft	Audio Transformers / Signal Transformers C1495 TI LM5070 13uH 3.3 V 4.0 A Learn More about Coilcraft power magnetics	Datasheet	49In Stock	Cut Tape $4.00 $3.25 $3.12 $2.92 Reel $2.81 View $2.73 $2.60 $2.52 $2.44 MouseReel Available	Min.: 1 Mult.: 1 : 175	13 W
Audio Transformers / Signal Transformers C1587 Flybck Trnsfmr For TI LM5070 C1587-ALD Coilcraft 1: $5.64 195In Stock	Mfr. Part No. C1587-ALD Mouser Part No 994-C1587-ALD	Coilcraft	Audio Transformers / Signal Transformers C1587 Flybck Trnsfmr For TI LM5070 Learn More about Coilcraft power magnetics	Datasheet	195In Stock	Cut Tape $5.64 $4.38 Reel $3.72 $3.60 $3.48 $3.46 MouseReel Available	Min.: 1 Mult.: 1 : 250	7 W
Current Transformers - Board Mount CST1 1:70 20A 980uH AEC-Q200 CST1-070LC Coilcraft 1: $3.45 159In Stock	Mfr. Part No. CST1-070LC Mouser Part No 994-CST1-070LC	Coilcraft	Current Transformers - Board Mount CST1 1:70 20A 980uH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	159In Stock	Cut Tape $3.45 $2.82 $2.44 $2.37 Reel $2.27 View $2.29 $2.24 $2.15 $2.12 MouseReel Available	Min.: 1 Mult.: 1 : 250
Current Transformers - Board Mount 40A 19.2mH 3.8 Ohms AEC-Q200 CST2010-150LD Coilcraft 1: $3.97 40In Stock 300Expected 26/11/2026	Mfr. Part No. CST2010-150LD Mouser Part No 994-CST2010-150LD	Coilcraft	Current Transformers - Board Mount 40A 19.2mH 3.8 Ohms AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	40In Stock 300Expected 26/11/2026	Cut Tape $3.97 $3.25 $2.81 $2.73 Reel $2.61 View $2.64 $2.58 $2.48 $2.44 MouseReel Available	Min.: 1 Mult.: 1 : 300				SMD/SMT
Audio Transformers / Signal Transformers FA2672 SMT Flyback For Si3401, Si3402 FA2672-ALD Coilcraft 1: $5.08 300In Stock 5,000On Order	Mfr. Part No. FA2672-ALD Mouser Part No 994-FA2672-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2672 SMT Flyback For Si3401, Si3402 Learn More about Coilcraft power magnetics	Datasheet	300In Stock 5,000On Order On Order Ship Dates Mfr. No: FA2672-ALD Stock: 300 Can Dispatch Immediately On Order: 3,600 Expected 23/11/2026 1,400 Expected 11/12/2026 Factory Lead Time: 10 Weeks	Cut Tape $5.08 $4.02 $3.87 $3.61 Reel $3.42 View $3.28 $3.23 $3.12 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	10 W
Audio Transformers / Signal Transformers HA3802 Flyback For TI TPS23753 HA3802-BLD Coilcraft 1: $6.55 2In Stock 200Expected 18/12/2026	Mfr. Part No. HA3802-BLD Mouser Part No 994-HA3802-BLD	Coilcraft	Audio Transformers / Signal Transformers HA3802 Flyback For TI TPS23753 Learn More about Coilcraft power magnetics	Datasheet	2In Stock 200Expected 18/12/2026	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 : 200	10 W
Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 5.0 V 2.6 A POE13F-50LD Coilcraft 1: $5.33 167In Stock	Mfr. Part No. POE13F-50LD Mouser Part No 994-POE13F-50LD	Coilcraft	Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 5.0 V 2.6 A Learn More about Coilcraft poexf flyback transformers	Datasheet	167In Stock	Cut Tape $5.33 $4.22 $4.06 $3.79 Reel $3.59 View $3.44 $3.38 $3.27 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers POE13P Flyback PoE 127uH 24 V 0.54 A POE13P-24LD Coilcraft 1: $3.64 328In Stock 700On Order	Mfr. Part No. POE13P-24LD Mouser Part No 994-POE13P-24LD	Coilcraft	Audio Transformers / Signal Transformers POE13P Flyback PoE 127uH 24 V 0.54 A Learn More about Coilcraft poexp flyback transformers	Datasheet	328In Stock 700On Order	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 PWB Wideband RF 1:4 0.15-400 MHz PWB3040LC Coilcraft 1: $3.22 239In Stock	Mfr. Part No. PWB3040LC Mouser Part No 994-PWB3040LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.15-400 MHz	Datasheet	239In Stock	Cut Tape $3.22 $2.66 Reel $2.26 $2.20 $2.10 View $2.03 $1.97 MouseReel Available	Min.: 1 Mult.: 1 : 250
Power Transformers - Board Mount Q4435 Flybck Regltor 8uH 5.0 V 1.6 A Q4435-BL Coilcraft 1: $8.19 25In Stock	Mfr. Part No. Q4435-BL Mouser Part No 994-Q4435-BL	Coilcraft	Power Transformers - Board Mount Q4435 Flybck Regltor 8uH 5.0 V 1.6 A Learn More about Coilcraft power magnetics	Datasheet	25In Stock	$8.19 $6.63 $6.37 $6.17 View $5.98 $5.71 $5.53 $5.36 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec SWB1010-1-SMLD Coilcraft 1: $3.72 156In Stock 500Expected 08/01/2027	Mfr. Part No. SWB1010-1-SMLD Mouser Part No 994-SWB1010-1-SMLD	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	156In Stock 500Expected 08/01/2027	Cut Tape $3.72 $3.02 $2.99 Reel $2.54 $2.42 View $2.35 $2.28 MouseReel Available	Min.: 1 Mult.: 1 : 500	250 mW (1/4 W)