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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 (EUR) 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 Wideband RF, SMD 250mA 1:1sec SWB3010-SMLD Coilcraft 1: €3.53 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 €3.53 €2.87 €2.84 Reel €2.42 €2.30 View €2.23 €2.16 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: €4.33 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	€4.33 €3.41 €3.29 €3.07 View €2.92 €2.80 €2.74 €2.65 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port H5020NLT Pulse Electronics 1: €15.68 87In Stock	Mfr. Part No. H5020NLT Mouser Part No 673-H5020NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulselantrans	Datasheet	87In Stock	Cut Tape €15.68 €14.06 €13.55 €13.12 Reel €12.17 View €12.71 €11.04 €11.01 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
Current Transformers - Board Mount CST4835 1:20 7A 33uH AEC-Q200 CST4835-020EC Coilcraft 1: €3.12 524In Stock	Mfr. Part No. CST4835-020EC Mouser Part No 994-CST4835-020EC	Coilcraft	Current Transformers - Board Mount CST4835 1:20 7A 33uH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	524In Stock	Cut Tape €3.12 €2.55 €2.28 Reel €2.04 €1.95 €1.92 MouseReel Available	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount Max 253 TX 3.3v input 5v out DIP 78253/35C Murata Power Solutions 1: €3.90 40In Stock	Mfr. Part No. 78253/35C Mouser Part No 580-7825335C	Murata Power Solutions	Power Transformers - Board Mount Max 253 TX 3.3v input 5v out DIP Learn More about Murata Power Solutions Murata78253J	Datasheet	40In Stock	€3.90 €3.21 €2.88 €2.56 View €2.48 €2.39 €2.33 €2.27 €2.24	Min.: 1 Mult.: 1	500 mW	3.3 V	5 V	Through Hole
Audio Transformers / Signal Transformers 1000B-5016XNL iNRCORE 1: €28.24 7In Stock	Mfr. Part No. 1000B-5016XNL Mouser Part No 673-1000B-5016XNL	iNRCORE	Audio Transformers / Signal Transformers		7In Stock	€28.24 €25.18 €24.05 €22.58 View €22.26 €21.90 €21.79 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .75Ohms 2-Port HX1305NLT Pulse Electronics 1: €7.68 22In Stock	Mfr. Part No. HX1305NLT Mouser Part No 673-HX1305NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .75Ohms 2-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	22In Stock	Cut Tape €7.68 €6.93 €6.65 €6.44 Reel €5.74 View €6.00 €5.65 €5.58	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers C1585 TI LM5070 13uH 5.0 V 2.6 A C1585-ALD Coilcraft 1: €4.85 87In Stock	Mfr. Part No. C1585-ALD Mouser Part No 994-C1585-ALD	Coilcraft	Audio Transformers / Signal Transformers C1585 TI LM5070 13uH 5.0 V 2.6 A Learn More about Coilcraft power magnetics	Datasheet	87In Stock	Cut Tape €4.85 €3.77 €3.62 €3.51 Reel €3.20 View €3.39 €3.10 €2.99 €2.98 MouseReel Available	Min.: 1 Mult.: 1 : 175	13 W
Current Transformers - Board Mount CST1 1:125 20A 3KuH AEC-Q200 CST1-125LC Coilcraft 1: €2.96 433In Stock 750On Order	Mfr. Part No. CST1-125LC Mouser Part No 994-CST1-125LC	Coilcraft	Current Transformers - Board Mount CST1 1:125 20A 3KuH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	433In Stock 750On Order On Order Ship Dates Mfr. No: CST1-125LC Stock: 433 Can Dispatch Immediately On Order: 500 Expected 02/11/2026 250 Expected 11/11/2026 Factory Lead Time: 10 Weeks	Cut Tape €2.96 €2.42 €2.09 €2.03 Reel €1.94 View €1.97 €1.93 €1.84 €1.81 MouseReel Available	Min.: 1 Mult.: 1 : 250
Current Transformers - Board Mount CST7030 1:50 20A .333mH AEC-Q200 CST7030-050LC Coilcraft 1: €2.84 359In Stock	Mfr. Part No. CST7030-050LC Mouser Part No 994-CST7030-050LC	Coilcraft	Current Transformers - Board Mount CST7030 1:50 20A .333mH AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	359In Stock	Cut Tape €2.84 €2.32 €2.01 €1.95 Reel €1.85 View €1.89 €1.87 €1.77 €1.75 MouseReel Available	Min.: 1 Mult.: 1 : 600				SMD/SMT
Pulse Transformers SMT Gate Driver Transformer 2250 Vdc FA2659-ALC Coilcraft 1: €3.37 75In Stock 875On Order	Mfr. Part No. FA2659-ALC Mouser Part No 994-FA2659-ALC	Coilcraft	Pulse Transformers SMT Gate Driver Transformer 2250 Vdc Learn More about Coilcraft power magnetics	Datasheet	75In Stock 875On Order On Order Ship Dates Mfr. No: FA2659-ALC Stock: 75 Can Dispatch Immediately On Order: 350 Pending 525 Expected 08/01/2027 Factory Lead Time: 10 Weeks	Cut Tape €3.37 €2.76 €2.39 €2.32 Reel €2.22 View €2.24 €2.20 €2.11 €2.07 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers FA2671 SMT Flyback For Si3401, Si3402 FA2671-ALD Coilcraft 1: €4.27 31In Stock 400Expected 04/11/2026	Mfr. Part No. FA2671-ALD Mouser Part No 994-FA2671-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2671 SMT Flyback For Si3401, Si3402 Learn More about Coilcraft power magnetics	Datasheet	31In Stock 400Expected 04/11/2026	Cut Tape €4.27 €3.38 €3.26 €3.04 Reel €2.88 View €2.76 €2.72 €2.62 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	10 W
Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 24 V 0.54 A POE13F-24LD Coilcraft 1: €4.58 185In Stock	Mfr. Part No. POE13F-24LD Mouser Part No 994-POE13F-24LD	Coilcraft	Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 24 V 0.54 A Learn More about Coilcraft poexf flyback transformers	Datasheet	185In Stock	Cut Tape €4.58 €3.63 €3.49 €3.26 Reel €3.09 View €2.96 €2.91 €2.81 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.200-400 MHz PWB-2-BLC Coilcraft 1: €4.14 5In Stock 250Expected 08/01/2027	Mfr. Part No. PWB-2-BLC Mouser Part No 994-PWB-2-BLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.200-400 MHz	Datasheet	5In Stock 250Expected 08/01/2027	Cut Tape €4.14 €3.28 Reel €2.79 €2.67 €2.62 View €2.54 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
Power Transformers - Board Mount Q4434 Flybck Regltor 8uH 5.0 V 1.6 A Q4434-BL Coilcraft 1: €7.10 27In Stock	Mfr. Part No. Q4434-BL Mouser Part No 994-Q4434-BL	Coilcraft	Power Transformers - Board Mount Q4434 Flybck Regltor 8uH 5.0 V 1.6 A Learn More about Coilcraft power magnetics	Datasheet	27In Stock	€7.10 €5.75 €5.52 €5.35 View €5.19 €4.95 €4.80 €4.64 €4.51	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers Wideband RF, TH 250mA 4:1sec SWB1040-PCL Coilcraft 1: €5.19 14In Stock	Mfr. Part No. SWB1040-PCL Mouser Part No 994-SWB1040-PCL	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, TH 250mA 4:1sec Learn More about Coilcraft swb transformers	Datasheet	14In Stock	€5.19 €4.02 €3.86 €3.75 View €3.62 €3.42 €3.31 €3.20 €3.18	Min.: 1 Mult.: 1	250 mW (1/4 W)
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB3-1TL Coilcraft 1: €4.73 65In Stock	Mfr. Part No. WB3-1TL Mouser Part No 994-WB3-1TL	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W	Datasheet	65In Stock	€4.73 €3.74 €3.60 €3.36 View €3.19 €3.05 €3.00 €2.90 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5002FX iNRCORE 1: €43.50 3In Stock	Mfr. Part No. 1000B-5002FX Mouser Part No 673-1000B-5002FX	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	3In Stock	€43.50 €38.85 €34.52 €34.08 View €33.70 €33.23 Quote	Min.: 1 Mult.: 1
Power Transformers - Industrial XFMR, 1-PH,63VA,PRI 400V,SEC 24V,IP00 4AM32425AN000EA0 Siemens 1: €516.52 1In Stock	Mfr. Part No. 4AM32425AN000EA0 Mouser Part No 982-4AM32425AN000EA0	Siemens	Power Transformers - Industrial XFMR, 1-PH,63VA,PRI 400V,SEC 24V,IP00	Datasheet	1In Stock	€516.52	Min.: 1 Mult.: 1	63 VA	380 V to 420 V	24 V	Chassis Mount
Audio Transformers / Signal Transformers HA3994 for LT3751 15 V, -15 V 3.6 A HA3994-AL Coilcraft 1: €6.44 24In Stock	Mfr. Part No. HA3994-AL Mouser Part No 994-HA3994-AL	Coilcraft	Audio Transformers / Signal Transformers HA3994 for LT3751 15 V, -15 V 3.6 A Learn More about Coilcraft power magnetics	Datasheet	24In Stock	€6.44 €5.72 €5.49 €5.31 View €5.15 €4.83 €4.68 €4.53 €4.47	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers MA5157 Flyback For NXP SSL2103 MA5157-AL Coilcraft 1: €5.69 97In Stock	Mfr. Part No. MA5157-AL Mouser Part No 994-MA5157-AL	Coilcraft	Audio Transformers / Signal Transformers MA5157 Flyback For NXP SSL2103 Learn More about Coilcraft power magnetics	Datasheet	97In Stock	€5.69 €4.94 €4.20 €3.98 View €3.84 €3.72	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers NA5889 12W 0.03Ohms For TPS55340 NA5889-ALD Coilcraft 1: €5.44 112In Stock	Mfr. Part No. NA5889-ALD Mouser Part No 994-NA5889-ALD	Coilcraft	Audio Transformers / Signal Transformers NA5889 12W 0.03Ohms For TPS55340 Learn More about Coilcraft power magnetics	Datasheet	112In Stock	Cut Tape €5.44 €4.64 €4.45 €4.32 Reel €3.80 View €4.00 €3.66 €3.55 MouseReel Available	Min.: 1 Mult.: 1 : 175	12 W
Audio Transformers / Signal Transformers Flyback PoE 23W 54uH 3.3V 3.2A POE23PR-33ED Coilcraft 1: €5.50 122In Stock	Mfr. Part No. POE23PR-33ED Mouser Part No 994-POE23PR-33ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 23W 54uH 3.3V 3.2A Learn More about Coilcraft flyback forward poe transformers	Datasheet	122In Stock	Cut Tape €5.50 €4.27 €4.09 €3.97 Reel €3.62 View €3.84 €3.50 €3.38 €3.36 MouseReel Available	Min.: 1 Mult.: 1 : 150	23 W
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 19.5 V 1.5 A POE300F-19LD Coilcraft 1: €6.43 144In Stock	Mfr. Part No. POE300F-19LD Mouser Part No 994-POE300F-19LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 19.5 V 1.5 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	144In Stock	Cut Tape €6.43 €5.50 €5.27 €5.11 Reel €4.50 View €4.74 €4.33 €4.21 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers PWB Wideband RF 1:1.5 0.07-225 MHz PWB3015LC Coilcraft 1: €2.77 225In Stock	Mfr. Part No. PWB3015LC Mouser Part No 994-PWB3015LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1.5 0.07-225 MHz	Datasheet	225In Stock	Cut Tape €2.77 €2.29 Reel €1.94 €1.89 €1.81 View €1.75 €1.69 MouseReel Available	Min.: 1 Mult.: 1 : 250