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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.	Power Rating	Primary Voltage Rating	Secondary Voltage Rating	Mounting Style
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 100uH 1-Port T3001NL Pulse Electronics 1: $7.58 461In Stock	Mfr. Part # T3001NL Mouser Part # 673-T3001NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 100uH 1-Port	Datasheet	461In Stock	$7.58 $6.85 $6.57 $6.27 View $6.26 $5.48 $4.85	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers - ATB3225-50011CT-T000 TDK 1: $1.58 1,805In Stock	Mfr. Part # ATB3225-50011CT-T000 Mouser Part # 810-ATB3250011CTT000	TDK	Audio Transformers / Signal Transformers - Learn More about TDK ATB3225trans	Datasheet	1,805In Stock	Cut Tape $1.58 $1.43 $1.34 $1.25 View Reel $0.75 $1.20 $1.16 $0.75	Min.: 1 Mult.: 1 : 1,000
Power Transformers - Industrial CONT XFORMER,3000VA,240/480-120/240 MT3000M Siemens 1: $828.30 3In Stock	Mfr. Part # MT3000M Mouser Part # 982-MT3000M	Siemens	Power Transformers - Industrial CONT XFORMER,3000VA,240/480-120/240	Datasheet	3In Stock	$828.30	Min.: 1 Mult.: 1	3 kVA	480 VAC	240 VAC	Wall Mount
Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 FA2805-CLD Coilcraft 1: $5.18 585In Stock 2,275On 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	585In Stock 2,275On Order On Order Ship Dates Mfr. #: FA2805-CLD Stock: 585 Can Ship Immediately On Order: 875 Pending 1,400 Expected 11/23/2026 Factory Lead-Time: 10 Weeks	Cut Tape $5.18 $3.91 $3.72 $3.49 Reel $3.19 View $3.33 $3.09 $2.99 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: $7.47 570In 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	570In Stock	Cut Tape $7.47 $5.80 $5.56 $5.39 Reel $5.01 View $5.22 $4.85 $4.70 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz PWB-4-ALC Coilcraft 1: $2.99 1,046In Stock	Mfr. Part # PWB-4-ALC Mouser Part # 994-PWB-4-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz	Datasheet	1,046In Stock	Cut Tape $2.99 $2.26 $2.15 $2.01 Reel $1.84 View $1.92 $1.78 $1.73 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz WBC9-1LC Coilcraft 1: $6.61 544In 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	544In Stock	Cut Tape $6.61 $5.64 $4.82 Reel $3.94 MouseReel Available	Min.: 1 Mult.: 1 : 750	250 mW
Current Transformers - Industrial CT 600:1 WITH FLUX COND 88MM ELCT30-88 Littelfuse 1: $792.33 5In Stock	Mfr. Part # ELCT30-88 Mouser Part # 576-ELCT30-88	Littelfuse	Current Transformers - Industrial CT 600:1 WITH FLUX COND 88MM Learn More about Littelfuse industrial portfolio	Datasheet	5In Stock	$792.33	Min.: 1 Mult.: 1				Panel
Audio Transformers / Signal Transformers TRANSFORMER AUDIO & SIGNAL CX2039LNLT Pulse Electronics 1: $4.75 1,953In Stock	Mfr. Part # CX2039LNLT Mouser Part # 673-CX2039LNLT	Pulse Electronics	Audio Transformers / Signal Transformers TRANSFORMER AUDIO & SIGNAL	Datasheet	1,953In Stock	Cut Tape $4.75 $3.38 $2.86 $2.50 View Reel $1.90 $2.33 $2.32 $2.12 $1.90	Min.: 1 Mult.: 1 : 2,000	250 mW
Audio Transformers / Signal Transformers Wideband RF 75 Ohm 1:1CT 50-450MHz SMD CX2041NL Pulse Electronics 1: $4.14 3,432In Stock	Mfr. Part # CX2041NL Mouser Part # 673-CX2041NL	Pulse Electronics	Audio Transformers / Signal Transformers Wideband RF 75 Ohm 1:1CT 50-450MHz SMD	Datasheet	3,432In Stock	$4.14 $2.57 $2.25 $1.91 $1.66	Min.: 1 Mult.: 1 Max.: 400
Audio Transformers / Signal Transformers XFMR,RF,SGL,RAC,1:4CT, T&R NPB CX2047LANLT Pulse Electronics 1: $3.41 1,540In Stock	Mfr. Part # CX2047LANLT Mouser Part # 673-CX2047LANLT	Pulse Electronics	Audio Transformers / Signal Transformers XFMR,RF,SGL,RAC,1:4CT, T&R NPB	Datasheet	1,540In Stock	Cut Tape $3.41 $2.70 $2.01 $1.78 $1.63 Reel $1.45	Min.: 1 Mult.: 1 : 2,000
Audio Transformers / Signal Transformers 1000Base-T BGA PoE+ 350uH .65Ohms 4-Port H6400NL Pulse Electronics 1: $25.15 179In Stock	Mfr. Part # H6400NL Mouser Part # 673-H6400NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T BGA PoE+ 350uH .65Ohms 4-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	179In Stock	$25.15 $21.19 $19.61 $18.24 View $16.82 $16.81 $16.80 Quote	Min.: 1 Mult.: 1
Pulse Transformers SMD Gate Drive 980uH .88Ohms PA0173NLT Pulse Electronics 1: $2.61 1,426In Stock	Mfr. Part # PA0173NLT Mouser Part # 673-PA0173NLT	Pulse Electronics	Pulse Transformers SMD Gate Drive 980uH .88Ohms	Datasheet	1,426In Stock	Cut Tape $2.61 $2.36 $2.15 $2.09 Reel $1.78 View $2.02 $1.98 $1.97 $1.76 MouseReel Available	Min.: 1 Mult.: 1 : 900
Audio Transformers / Signal Transformers SMD Digital Audio 2500uH 1-Port PE-65812NLT Pulse Electronics 1: $4.62 1,984In Stock	Mfr. Part # PE-65812NLT Mouser Part # 673-PE-65812NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD Digital Audio 2500uH 1-Port	Datasheet	1,984In Stock	Cut Tape $4.62 $4.17 $3.78 $3.67 Reel $3.24 View $3.40 $3.11 $2.95 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 1Ohm 2-Port PE-68828NL Pulse Electronics 1: $10.31 450In Stock	Mfr. Part # PE-68828NL Mouser Part # 673-PE-68828NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 1Ohm 2-Port	Datasheet	450In Stock	$10.31 $9.04 $9.03 $7.05 View $6.66 Quote	Min.: 1 Mult.: 1
Pulse Transformers 1.02mH 2.5kV Iso 3CT:8CT SM NPB PH9085.038NLT Pulse Electronics 1: $2.34 1,358In Stock	Mfr. Part # PH9085.038NLT Mouser Part # 673-PH9085038NLT	Pulse Electronics	Pulse Transformers 1.02mH 2.5kV Iso 3CT:8CT SM NPB	Datasheet	1,358In Stock	Cut Tape $2.34 $1.93 $1.91 $1.86 $1.59 Reel $1.48 MouseReel Available	Min.: 1 Mult.: 1 : 700				SMD/SMT
Power Transformers - Board Mount 3CT:8CT Iso5000V SMT 5kVrms AEC-Q200 PM2190.038NLT Pulse Electronics 1: $3.51 897In Stock	Mfr. Part # PM2190.038NLT Mouser Part # 673-PM2190.038NLT	Pulse Electronics	Power Transformers - Board Mount 3CT:8CT Iso5000V SMT 5kVrms AEC-Q200 Learn More about Pulse Electronics pulse pm21x aec q200 transformers	Datasheet	897In Stock	Cut Tape $3.51 $3.17 $3.01 $2.92 Reel $2.67 View $2.81 $2.60 $2.21 $2.20	Min.: 1 Mult.: 1 : 150				SMD/SMT
Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A POE24PR-12ED Coilcraft 1: $6.38 555In Stock 1,200On Order	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	555In Stock 1,200On Order On Order Ship Dates Mfr. #: POE24PR-12ED Stock: 555 Can Ship Immediately On Order: 450 Pending 750 Expected 10/8/2026 Factory Lead-Time: 10 Weeks	Cut Tape $6.38 $4.81 $4.58 $4.29 Reel $3.93 View $4.10 $3.80 $3.68 MouseReel Available	Min.: 1 Mult.: 1 : 150	24 W
Current Transformers - Board Mount CST2 1:100 20A 2KuH AEC-Q200 CST2-100LC Coilcraft 1: $3.48 1,132In Stock	Mfr. Part # CST2-100LC Mouser Part # 994-CST2-100LC	Coilcraft	Current Transformers - Board Mount CST2 1:100 20A 2KuH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	1,132In Stock	Cut Tape $3.48 $2.84 $2.46 $2.39 Reel $2.29 View $2.31 $2.26 $2.17 $2.14 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 DA2257-ALD Coilcraft 1: $5.21 1,040In Stock 1,750Expected 11/23/2026	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	1,040In Stock 1,750Expected 11/23/2026	Cut Tape $5.21 $3.93 $3.75 $3.51 Reel $3.21 View $3.35 $3.11 $3.01 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers POE13P Flyback PoE 127uH 5.0 V 2.6 A POE13P-50LD Coilcraft 1: $5.62 720In Stock 1,050Expected 12/28/2026	Mfr. Part # POE13P-50LD Mouser Part # 994-POE13P-50LD	Coilcraft	Audio Transformers / Signal Transformers POE13P Flyback PoE 127uH 5.0 V 2.6 A Learn More about Coilcraft poexp flyback transformers	Datasheet	720In Stock 1,050Expected 12/28/2026	Cut Tape $5.62 $4.24 $4.04 $3.78 Reel $3.46 View $3.61 $3.35 $3.25 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: $7.12 1,543In 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	1,543In Stock	Cut Tape $7.12 $5.52 $5.30 $5.14 Reel $4.77 View $4.98 $4.62 $4.48 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: $5.35 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 $5.35 $4.04 $3.84 $3.60 View Reel $3.09 $3.44 $3.29 $3.19 $3.09 MouseReel Available	Min.: 1 Mult.: 1 : 750
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5003FX iNRCORE 1: $66.76 29In Stock	Mfr. Part # 1000B-5003FX Mouser Part # 673-1000B-5003FX	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	29In Stock	$66.76 $60.00 $57.48 $56.88 View $56.31 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz PWB1010LC Coilcraft 1: $4.32 1,978In Stock 2,750Expected 12/14/2026	Mfr. Part # PWB1010LC Mouser Part # 994-PWB1010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz	Datasheet	1,978In Stock 2,750Expected 12/14/2026	Cut Tape $4.32 $3.26 $3.11 $2.91 Reel $2.66 View $2.78 $2.58 $2.50 MouseReel Available	Min.: 1 Mult.: 1 : 250