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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 (HKD) 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 HA3802 Flyback For TI TPS23753 HA3802-BLD Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	10 W
Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 5.0 V 2.6 A POE13F-50LD Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
Audio Transformers / Signal Transformers POE13P Flyback PoE 127uH 24 V 0.54 A POE13P-24LD Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability
Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.15-400 MHz PWB3040LC Coilcraft Restricted Availability	Mfr. Part No. PWB3040LC Mouser Part No 994-PWB3040LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.15-400 MHz Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
Power Transformers - Board Mount Q4435 Flybck Regltor 8uH 5.0 V 1.6 A Q4435-BL Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec SWB1010-1-SMLD Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	250 mW (1/4 W)
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB1-1L Coilcraft Restricted Availability	Mfr. Part No. WB1-1L Mouser Part No 994-WB1-1L	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	250 mW (1/4 W)
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:8 0.150-600 MHz WBC8-1LC Coilcraft Restricted Availability	Mfr. Part No. WBC8-1LC Mouser Part No 994-WBC8-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:8 0.150-600 MHz Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability
Audio Transformers / Signal Transformers Y8844 For NCP1201 3.5uH 6.5 V 0.54 A Y8844-AL Coilcraft Restricted Availability	Mfr. Part No. Y8844-AL Mouser Part No 994-Y8844-AL	Coilcraft	Audio Transformers / Signal Transformers Y8844 For NCP1201 3.5uH 6.5 V 0.54 A Learn More about Coilcraft power magnetics Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	3.5 W
Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz TG01-FC07N1RL HALO Electronics 1: HK$76.04 399In Stock	Mfr. Part No. TG01-FC07N1RL Mouser Part No 493-TG01-FC07N1RL	HALO Electronics	Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz Learn More about HALO Electronics halo ethernet transformers	Datasheet	399In Stock	HK$76.04 HK$49.07 HK$40.03 HK$32.39 View HK$27.21 HK$23.43 HK$22.36 HK$21.78	Min.: 1 Mult.: 1
Pulse Transformers MDL,SIN,1GD,1:1,SMT,TU, NPB H5143NL Pulse Electronics 1: HK$73.90 227In Stock	Mfr. Part No. H5143NL Mouser Part No 673-H5143NL	Pulse Electronics	Pulse Transformers MDL,SIN,1GD,1:1,SMT,TU, NPB	Datasheet	227In Stock	HK$73.90 HK$63.29 HK$60.25 HK$58.36 View HK$56.55 HK$46.20 HK$45.37 HK$44.47 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T-1250SCTNL iNRCORE 1: HK$652.01 21In Stock	Mfr. Part No. T-1250SCTNL Mouser Part No 673-T-1250SCTNL	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	21In Stock	HK$652.01 HK$583.13 HK$535.29 HK$527.48 View HK$520.16 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: HK$287.70 1In Stock 7Expected 2/11/2026	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 2/11/2026	HK$287.70	Min.: 1 Mult.: 1				Free Hanging
Current Transformers - Board Mount 40A 7.07Mh 2.5ohms AEC-Q200 CST2020-100L Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2 NA5730-ALD Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A POE21PR-33ED Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	21 W
Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A POE30P-33LD Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability
Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz PWB-2-CLC Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability
Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec SWB3010-SMLD Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	250 mW (1/4 W)
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB4-1HL Coilcraft Restricted Availability	Mfr. Part No. WB4-1HL Mouser Part No 994-WB4-1HL	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
Power Transformers - Industrial TRANSFORMER 1.5 HS HS10F1.5AS SolaHD 1: HK$3,016.49 1In Stock 4On Order	Mfr. Part No. HS10F1.5AS Mouser Part No 663-HS10F15AS	SolaHD	Power Transformers - Industrial TRANSFORMER 1.5 HS Due to size or weight of the product, your shipping charge may increase.	Datasheet	1In Stock 4On Order	HK$3,016.49	Min.: 1 Mult.: 1	1.5 kVA	600 V	120 V, 240 V	Wall Mount
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5002FX iNRCORE 1: HK$415.77 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	HK$415.77 HK$371.30 HK$329.95 HK$325.76 View HK$322.14 HK$317.62 Quote	Min.: 1 Mult.: 1
Power Transformers - Industrial XFMR, 1-PH,63VA,PRI 400V,SEC 24V,IP00 4AM32425AN000EA0 Siemens 1: HK$4,975.16 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	HK$4,975.16	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 Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
Audio Transformers / Signal Transformers MA5157 Flyback For NXP SSL2103 MA5157-AL Coilcraft Restricted Availability	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 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability