.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Transformers

List Images

Results: 22,128

Applied Filters:

Manufacturer

Power Rating

Primary Voltage Rating

Secondary Voltage Rating

Mounting Style

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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	Mounting Style
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 02/11/2026	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 02/11/2026	$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 10B-2001NL iNRCORE 1: $53.61 17In Stock	Mfr. Part No. 10B-2001NL Mouser Part No 673-10B-2001NL	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	17In Stock	$53.61 $47.89 $42.62 $41.92 View $41.32 $40.61 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 120uH .3Ohms 1-Port HM6098FNL Pulse Electronics 1: $8.85 10In Stock	Mfr. Part No. HM6098FNL Mouser Part No 673-HM6098FNL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 120uH .3Ohms 1-Port Learn More about Pulse Electronics pulse automotive communications	Datasheet	10In Stock	$8.85 $7.99 $7.65 $7.41 View $7.18 $6.83 $6.61 $6.43	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers B0570 for NCP101X 15uH 12 V 1.25 A B0570-BL Coilcraft 1: $9.60 55In Stock	Mfr. Part No. B0570-BL Mouser Part No 994-B0570-BL	Coilcraft	Audio Transformers / Signal Transformers B0570 for NCP101X 15uH 12 V 1.25 A Learn More about Coilcraft power magnetics	Datasheet	55In Stock	$9.60 $8.66 $8.31 $8.05 View $7.80 $7.41 $7.18 $6.98	Min.: 1 Mult.: 1	15 W
Audio Transformers / Signal Transformers C1586 TI LM5070 13uH 12 V 1.08 A C1586-ALD Coilcraft 1: $4.94 67In Stock	Mfr. Part No. C1586-ALD Mouser Part No 994-C1586-ALD	Coilcraft	Audio Transformers / Signal Transformers C1586 TI LM5070 13uH 12 V 1.08 A Learn More about Coilcraft power magnetics	Datasheet	67In Stock	Cut Tape $4.94 $3.91 $3.77 $3.51 Reel $3.33 View $3.19 $3.14 $3.03 Quote MouseReel Available	Min.: 1 Mult.: 1 : 175	13 W
Current Transformers - Board Mount CST2 1:125 20A 3KuH AEC-Q200 CST2-125LC Coilcraft 1: $3.49 318In Stock	Mfr. Part No. CST2-125LC Mouser Part No 994-CST2-125LC	Coilcraft	Current Transformers - Board Mount CST2 1:125 20A 3KuH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	318In Stock	Cut Tape $3.49 $2.85 $2.70 Reel $2.30 $2.27 View $2.18 $2.15 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers FA2925 SMT Flyback For Si341, Si3402 FA2925-ALD Coilcraft 1: $5.03 85In Stock 175Expected 01/01/2027	Mfr. Part No. FA2925-ALD Mouser Part No 994-FA2925-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2925 SMT Flyback For Si341, Si3402 Learn More about Coilcraft power magnetics	Datasheet	85In Stock 175Expected 01/01/2027	Cut Tape $5.03 $3.97 $3.83 $3.57 Reel $3.39 View $3.25 $3.19 $3.08 Quote MouseReel Available	Min.: 1 Mult.: 1 : 175	15 W
Audio Transformers / Signal Transformers GA3172 Flyback For PIC16HV785 GA3172-AL Coilcraft 1: $7.42 1In Stock	Mfr. Part No. GA3172-AL Mouser Part No 994-GA3172-AL	Coilcraft	Audio Transformers / Signal Transformers GA3172 Flyback For PIC16HV785 Learn More about Coilcraft power magnetics	Datasheet	1In Stock	$7.42 $6.59 $6.32 $6.12 View $5.93 $5.57 $5.39 $5.22 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 19.5 V 0.67 A POE13P-19LD Coilcraft 1: $3.64 95In Stock	Mfr. Part No. POE13P-19LD Mouser Part No 994-POE13P-19LD	Coilcraft	Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 19.5 V 0.67 A Learn More about Coilcraft poexp flyback transformers	Datasheet	95In Stock	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 Forward PoE 72W 100uH 12V 15% POE72PR-12ED Coilcraft 1: $6.39 167In Stock	Mfr. Part No. POE72PR-12ED Mouser Part No 994-POE72PR-12ED	Coilcraft	Audio Transformers / Signal Transformers Forward PoE 72W 100uH 12V 15% Learn More about Coilcraft flyback forward poe transformers	Datasheet	167In 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	72 W
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.080-450 MHz PWB-1-ALC Coilcraft 1: $3.47 147In Stock	Mfr. Part No. PWB-1-ALC Mouser Part No 994-PWB-1-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.080-450 MHz	Datasheet	147In Stock	Cut Tape $3.47 $2.87 Reel $2.44 $2.37 $2.26 View $2.19 $2.12 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.050-80 MHz PWB-16-ALC Coilcraft 1: $5.36 151In Stock	Mfr. Part No. PWB-16-ALC Mouser Part No 994-PWB-16-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.050-80 MHz	Datasheet	151In Stock	Cut Tape $5.36 $4.25 Reel $3.61 $3.46 $3.40 View $3.29 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
Power Transformers - Board Mount Q4438 Flybck Regltor 12 V, -12 V 0.63 A Q4438-BL Coilcraft 1: $6.22 302In Stock 210Expected 23/11/2026	Mfr. Part No. Q4438-BL Mouser Part No 994-Q4438-BL	Coilcraft	Power Transformers - Board Mount Q4438 Flybck Regltor 12 V, -12 V 0.63 A Learn More about Coilcraft power magnetics	Datasheet	302In Stock 210Expected 23/11/2026	$6.22 $4.98 $4.78 $4.64 View $4.49 $4.31 $4.17 $4.04 $3.88	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec SWB3010-PCL Coilcraft 1: $4.11 17In Stock	Mfr. Part No. SWB3010-PCL Mouser Part No 994-SWB3010-PCL	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	17In Stock	$4.11 $3.34 $3.20 $3.00 View $2.89 $2.81 $2.68 $2.59 Quote	Min.: 1 Mult.: 1	250 mW (1/4 W)
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB9-1L Coilcraft 1: $5.89 74In Stock	Mfr. Part No. WB9-1L Mouser Part No 994-WB9-1L	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W	Datasheet	74In Stock	$5.89 $4.58 $4.39 $4.26 View $4.11 $3.89 $3.76 $3.63 $3.61	Min.: 1 Mult.: 1	250 mW (1/4 W)
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.500-1000 MHz WBC4-1WLC Coilcraft 1: $5.08 230In Stock 750Expected 09/11/2026	Mfr. Part No. WBC4-1WLC Mouser Part No 994-WBC4-1WLC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.500-1000 MHz	Datasheet	230In Stock 750Expected 09/11/2026	Cut Tape $5.08 $4.02 $3.87 $3.61 Reel $3.23 View $3.42 $3.28 $3.12 Quote MouseReel Available	Min.: 1 Mult.: 1 : 750	250 mW
Pulse Transformers SINGLE 10G 1:1 Pulse Electronics H7018FNLT H7018FNLT Pulse Electronics 1: $10.44 352In Stock	Mfr. Part No. H7018FNLT Mouser Part No 673-H7018FNLT	Pulse Electronics	Pulse Transformers SINGLE 10G 1:1	Datasheet	352In Stock	Cut Tape $10.44 $9.12 $8.75 $8.48 Reel $7.41 View $7.60 $7.40 $6.81 Quote	Min.: 1 Mult.: 1 : 300			PCB Mount
Current Transformers - Industrial 120V 2-20A 1s CURRENT SENSOR CT-0600-F20 Littelfuse 1: $120.52 1In Stock	Mfr. Part No. CT-0600-F20 Mouser Part No 576-CT-0600-F20	Littelfuse	Current Transformers - Industrial 120V 2-20A 1s CURRENT SENSOR Learn More about Littelfuse industrial portfolio	Datasheet	1In Stock	$120.52 $108.30 $103.75 $100.44 $97.21	Min.: 1 Mult.: 1		600 V	Panel