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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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Power Rating	Mounting Style
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port H1112NL Pulse Electronics 1: £4.02 441In Stock	Mfr. Part No. H1112NL Mouser Part No 673-H1112NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	441In Stock	£4.02 £3.55 £3.28 £3.20 View £3.15 £3.09 £3.03 £2.80 £2.78	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 1000Base-T SMD PoE 350uH .65Ohms 1-Port H6062FNLT Pulse Electronics 1: £4.57 438In Stock	Mfr. Part No. H6062FNLT Mouser Part No 673-H6062FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T SMD PoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	438In Stock	Cut Tape £4.57 £3.60 £3.46 £3.34 Reel £2.80 View £3.16 £2.73 £2.49 £2.48	Min.: 1 Mult.: 1 : 300
Pulse Transformers 1:1 24TERM H7029FNLT Pulse Electronics 1: £8.49 200In Stock	Mfr. Part No. H7029FNLT Mouser Part No 673-H7029FNLT	Pulse Electronics	Pulse Transformers 1:1 24TERM	Datasheet	200In Stock	Cut Tape £8.49 £7.22 £6.92 £6.71 Reel £5.65 View £6.50 £5.57 £5.36 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300		PCB Mount
Audio Transformers / Signal Transformers 10/100Base-T SMD 1-Port HX1178NL Pulse Electronics 1: £6.08 417In Stock	Mfr. Part No. HX1178NL Mouser Part No 673-HX1178NL	Pulse Electronics	Audio Transformers / Signal Transformers 10/100Base-T SMD 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	417In Stock	£6.08 £5.19 £4.85 £4.48 View £4.22 £4.04 £4.02 £3.96 £3.95	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port HX2260FNLT Pulse Electronics 1: £3.08 934In Stock	Mfr. Part No. HX2260FNLT Mouser Part No 673-HX2260FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	934In Stock	Cut Tape £3.08 £2.79 £2.53 £2.44 Reel £2.00 View £2.14 £2.07 £1.75	Min.: 1 Mult.: 1 : 600
Power Transformers - Board Mount EFD20 9V-36V Flyback SMD 35W PA1836NL Pulse Electronics 1: £4.28 486In Stock	Mfr. Part No. PA1836NL Mouser Part No 673-PA1836NL	Pulse Electronics	Power Transformers - Board Mount EFD20 9V-36V Flyback SMD 35W	Datasheet	486In Stock	£4.28 £4.00 £3.74 £3.55 View £2.72 £2.71	Min.: 1 Mult.: 1		PCB Mount
Power Transformers - Board Mount SMD HiFreq WireWound 128uH .41Ohms PA3856.005NLT Pulse Electronics 1: £2.95 798In Stock	Mfr. Part No. PA3856.005NLT Mouser Part No 673-PA3856.005NLT	Pulse Electronics	Power Transformers - Board Mount SMD HiFreq WireWound 128uH .41Ohms	Datasheet	798In Stock	Cut Tape £2.95 £2.67 £2.41 £2.33 Reel £1.90 £1.80 MouseReel Available	Min.: 1 Mult.: 1 : 130
Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port PE-68515LNLT Pulse Electronics 1: £5.51 1,759In Stock	Mfr. Part No. PE-68515LNLT Mouser Part No 673-PE-68515LNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port	Datasheet	1,759In Stock	Cut Tape £5.51 £4.72 £4.53 £4.39 Reel £4.07 View £4.26 £3.88 £3.43 £3.42 MouseReel Available	Min.: 1 Mult.: 1 : 160
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port PE-68678NLT Pulse Electronics 1: £4.34 789In Stock	Mfr. Part No. PE-68678NLT Mouser Part No 673-PE-68678NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port	Datasheet	789In Stock	Cut Tape £4.34 £3.68 £3.53 £3.41 Reel £2.83 View £3.31 £3.18 £2.76 £2.65 MouseReel Available	Min.: 1 Mult.: 1 : 600
Power Transformers - Board Mount SMD Hi Isolation Pwr 2350uH .9Ohms PH9185.083NLT Pulse Electronics 1: £2.96 664In Stock	Mfr. Part No. PH9185.083NLT Mouser Part No 673-PH9185.083NLT	Pulse Electronics	Power Transformers - Board Mount SMD Hi Isolation Pwr 2350uH .9Ohms Learn More about Pulse Electronics pulse ph9185nl	Datasheet	664In Stock	Cut Tape £2.96 £2.68 £2.42 £2.34 Reel £2.12 View £2.27 £1.92 £1.78 MouseReel Available	Min.: 1 Mult.: 1 : 150
Pulse Transformers 2.6mH 4kV Iso 1:2 98Vus PH9385.012NLT Pulse Electronics 1: £2.53 952In Stock	Mfr. Part No. PH9385.012NLT Mouser Part No 673-PH9385012NLT	Pulse Electronics	Pulse Transformers 2.6mH 4kV Iso 1:2 98Vus	Datasheet	952In Stock	Cut Tape £2.53 £2.21 £2.09 £2.07 Reel £1.69 View £2.02 £1.54 £1.40 MouseReel Available	Min.: 1 Mult.: 1 : 300		SMD/SMT
Pulse Transformers 2.88mH 4kV Iso 1:2:2 250Vus PH9400.122NLT Pulse Electronics 1: £3.18 638In Stock	Mfr. Part No. PH9400.122NLT Mouser Part No 673-PH9400122NLT	Pulse Electronics	Pulse Transformers 2.88mH 4kV Iso 1:2:2 250Vus	Datasheet	638In Stock	Cut Tape £3.18 £2.87 £2.52 £2.44 Reel £2.10 View £2.40 £1.81 MouseReel Available	Min.: 1 Mult.: 1 : 150		SMD/SMT
Current Transformers - Industrial CT 600:1 WITH FLUX COND 31MM ELCT30-31 Littelfuse 1: £330.29 4In Stock	Mfr. Part No. ELCT30-31 Mouser Part No 576-ELCT30-31	Littelfuse	Current Transformers - Industrial CT 600:1 WITH FLUX COND 31MM Learn More about Littelfuse industrial portfolio	Datasheet	4In Stock	£330.29	Min.: 1 Mult.: 1		Panel
Current Transformers - Industrial CT 100:1 WITH FLUX COND 31MM ELCT5-31 Littelfuse 1: £301.68 4In Stock	Mfr. Part No. ELCT5-31 Mouser Part No 576-ELCT5-31	Littelfuse	Current Transformers - Industrial CT 100:1 WITH FLUX COND 31MM Learn More about Littelfuse industrial portfolio	Datasheet	4In Stock	£301.68	Min.: 1 Mult.: 1		Panel
Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC SM91509AL-E Bourns 1: £3.62 1,938In Stock	Mfr. Part No. SM91509AL-E Mouser Part No 652-SM91509AL-E	Bourns	Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC Learn More about Bourns bms transformers	Datasheet	1,938In Stock	Cut Tape £3.62 £3.24 £3.11 £3.01 View Reel £2.51 £2.92 £2.80 £2.71 £2.52 £2.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		PCB Mount
Audio Transformers / Signal Transformers 10GBase-T SMD PoE 120uH 1-Port H7029FNL Pulse Electronics 1: £8.28 266In Stock	Mfr. Part No. H7029FNL Mouser Part No 673-H7029FNL	Pulse Electronics	Audio Transformers / Signal Transformers 10GBase-T SMD PoE 120uH 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	266In Stock	£8.28 £7.04 £6.74 £6.52 View £5.93 £5.38 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers HDBase-T SMD PoE+ 180uH 1-Port HD8005FNL Pulse Electronics 1: £6.98 315In Stock	Mfr. Part No. HD8005FNL Mouser Part No 673-HD8005FNL	Pulse Electronics	Audio Transformers / Signal Transformers HDBase-T SMD PoE+ 180uH 1-Port Learn More about Pulse Electronics pulse hdbaset transformers	Datasheet	315In Stock	£6.98 £6.45 £6.29 £5.98 View £5.33 £4.82	Min.: 1 Mult.: 1	100 W
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port HX5004ENL Pulse Electronics 1: £5.61 1,366In Stock	Mfr. Part No. HX5004ENL Mouser Part No 673-HX5004ENL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1,366In Stock	£5.61 £4.26 £4.08 £4.05 View £3.47 £3.45 £3.40	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port PE-65968NL Pulse Electronics 1: £3.88 549In Stock	Mfr. Part No. PE-65968NL Mouser Part No 673-PE-65968NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port	Datasheet	549In Stock	£3.88 £3.70 £3.58 £3.54 View £3.36 £3.14	Min.: 1 Mult.: 1
Pulse Transformers 3.2mH 4kV Iso 4:5 109Vus PH9385.045NLT Pulse Electronics 1: £2.54 1,126In Stock	Mfr. Part No. PH9385.045NLT Mouser Part No 673-PH9385045NLT	Pulse Electronics	Pulse Transformers 3.2mH 4kV Iso 4:5 109Vus	Datasheet	1,126In Stock	Cut Tape £2.54 £2.30 £2.15 £2.09 Reel £1.68 View £2.02 £1.58 £1.51 £1.48 MouseReel Available	Min.: 1 Mult.: 1 : 300		SMD/SMT
Audio Transformers / Signal Transformers - ATB3225-50011CT-T000 TDK 1: £1.19 1,805In Stock	Mfr. Part No. ATB3225-50011CT-T000 Mouser Part No 810-ATB3250011CTT000	TDK	Audio Transformers / Signal Transformers - Learn More about TDK ATB3225trans	Datasheet	1,805In Stock	Cut Tape £1.19 £1.07 £1.00 £0.943 View Reel £0.586 £0.899 £0.871 £0.586	Min.: 1 Mult.: 1 : 1,000
Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 FA2805-CLD Coilcraft 1: £3.88 833In Stock 2,275On Order	Mfr. Part No. FA2805-CLD Mouser Part No 994-FA2805-CLD	Coilcraft	Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 Learn More about Coilcraft power magnetics	Datasheet	833In Stock 2,275On Order On Order Ship Dates Mfr. No: FA2805-CLD Stock: 833 Can Dispatch Immediately On Order: 875 Expected 21/09/2026 1,400 Expected 23/11/2026 Factory Lead Time: 10 Weeks	Cut Tape £3.88 £2.93 £2.79 £2.62 Reel £2.39 View £2.50 £2.32 £2.24 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: £5.60 570In Stock	Mfr. Part No. POE300F-50LD Mouser Part No 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 £5.60 £4.36 £4.17 £4.05 Reel £3.76 View £3.92 £3.64 £3.53 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: £2.24 1,046In Stock	Mfr. Part No. PWB-4-ALC Mouser Part No 994-PWB-4-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz	Datasheet	1,046In Stock	Cut Tape £2.24 £1.69 £1.62 £1.51 Reel £1.38 View £1.44 £1.34 £1.30 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: £4.96 544In Stock	Mfr. Part No. WBC9-1LC Mouser Part No 994-WBC9-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz	Datasheet	544In Stock	Cut Tape £4.96 £4.23 £3.62 Reel £2.96 MouseReel Available	Min.: 1 Mult.: 1 : 750	250 mW