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Transformers

Würth Elektronik Transformers feature power transformers for AC/DC, DC/DC, data/signal, battery management systems (BMS), and interfaces. Additional transformer solutions are gate drive and current sense transformers. These Würth power transformers feature several topologies, including flyback, push-pull, isolated buck, forward, and half-bridge. Würth Elektronik transformers are ideal for power electronics, LED lighting, signal applications, white goods, and more.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) Filter the results in the table by unit price based on your quantity.	Qty.
Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm 7490140122B Wurth Elektronik 1: 58,86 kr. 661In Stock	Mfr. Part No. 7490140122B Mouser Part No 710-7490140122B	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	661In Stock	Cut Tape 58,86 kr. 48,94 kr. 44,54 kr. 40,51 kr. Reel 36,63 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300
Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm 7490140123B Wurth Elektronik 1: 76,69 kr. 600In Stock	Mfr. Part No. 7490140123B Mouser Part No 710-7490140123B	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	600In Stock	Cut Tape 76,69 kr. 63,93 kr. 58,11 kr. 55,73 kr. Reel 52,89 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300
Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port 749020010A Wurth Elektronik 1: 44,39 kr. 3.159In Stock	Mfr. Part No. 749020010A Mouser Part No 710-749020010A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	3.159In Stock	Cut Tape 44,39 kr. 40,58 kr. 37,52 kr. 35,21 kr. Reel 33,42 kr. 32,00 kr. MouseReel Available	Min.: 1 Mult.: 1 : 400
Audio Transformers / Signal Transformers WE-LAN SMT TRANSFMR 1000BT 1Port PoE+ETR 749022011 Wurth Elektronik 1: 41,48 kr. 1.483In Stock 1.200Expected 05/02/2027	Mfr. Part No. 749022011 Mouser Part No 710-749022011	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMT TRANSFMR 1000BT 1Port PoE+ETR Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1.483In Stock 1.200Expected 05/02/2027	Cut Tape 41,48 kr. 39,99 kr. 37,75 kr. 33,57 kr. Reel 31,85 kr. MouseReel Available	Min.: 1 Mult.: 1 : 400
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD 7490220120 Wurth Elektronik 1: 38,12 kr. 2.923In Stock 2.000Expected 29/01/2027	Mfr. Part No. 7490220120 Mouser Part No 710-7490220120	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	2.923In Stock 2.000Expected 29/01/2027	Cut Tape 38,12 kr. 36,78 kr. 34,54 kr. 32,53 kr. Reel 29,17 kr. MouseReel Available	Min.: 1 Mult.: 1 : 400
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD 7490220121 Wurth Elektronik / Midcom 1: 41,48 kr. 1.411In Stock 1.280Expected 29/01/2027	Mfr. Part No. 7490220121 Mouser Part No 710-7490220121	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	1.411In Stock 1.280Expected 29/01/2027	Cut Tape 41,48 kr. 40,06 kr. 37,60 kr. 35,36 kr. Reel 31,48 kr. MouseReel Available	Min.: 1 Mult.: 1 : 320
Audio Transformers / Signal Transformers WE-LAN SMD Transfrmr 10/100/1000Base-T 7490220123 Wurth Elektronik 1: 41,48 kr. 2.338In Stock 1.740Expected 20/11/2026	Mfr. Part No. 7490220123 Mouser Part No 710-7490220123	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMD Transfrmr 10/100/1000Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	2.338In Stock 1.740Expected 20/11/2026	Cut Tape 41,48 kr. 40,06 kr. 37,60 kr. 35,36 kr. Reel 31,48 kr. MouseReel Available	Min.: 1 Mult.: 1 : 290
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 40pin pitch 1.27mm 7490240140 Wurth Elektronik 1: 76,69 kr. 218In Stock	Mfr. Part No. 7490240140 Mouser Part No 710-7490240140	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 40pin pitch 1.27mm Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	218In Stock	Cut Tape 76,69 kr. 63,93 kr. 58,11 kr. 52,82 kr. Reel 49,83 kr. MouseReel Available	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 1000BASE-T 24pin pitch 1.27mm 7490240142 Wurth Elektronik 1: 76,69 kr. 480In Stock 720Expected 10/11/2026	Mfr. Part No. 7490240142 Mouser Part No 710-7490240142	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 1000BASE-T 24pin pitch 1.27mm Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	480In Stock 720Expected 10/11/2026	Cut Tape 76,69 kr. 63,93 kr. 58,11 kr. 52,82 kr. Reel 45,58 kr. MouseReel Available	Min.: 1 Mult.: 1 : 240
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port Transformer 749050010A Wurth Elektronik 1: 51,85 kr. 835In Stock	Mfr. Part No. 749050010A Mouser Part No 710-749050010A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port Transformer Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	835In Stock	Cut Tape 51,85 kr. 46,77 kr. 44,83 kr. 43,49 kr. Reel 37,30 kr. View 42,15 kr. 35,44 kr. MouseReel Available	Min.: 1 Mult.: 1 : 400
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr 749050017 Wurth Elektronik 1: 84,22 kr. 489In Stock 450Expected 16/11/2026	Mfr. Part No. 749050017 Mouser Part No 710-749050017	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	489In Stock 450Expected 16/11/2026	Cut Tape 84,22 kr. 69,90 kr. 60,72 kr. 54,91 kr. Reel 52,15 kr. MouseReel Available	Min.: 1 Mult.: 1 : 450
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr 749050018 Wurth Elektronik 1: 84,22 kr. 539In Stock	Mfr. Part No. 749050018 Mouser Part No 710-749050018	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	539In Stock	Cut Tape 84,22 kr. 69,90 kr. 60,72 kr. 54,91 kr. Reel 52,15 kr. MouseReel Available	Min.: 1 Mult.: 1 : 450
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr 749052050 Wurth Elektronik 1: 100,78 kr. 839In Stock 870Expected 20/11/2026	Mfr. Part No. 749052050 Mouser Part No 710-749052050	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	839In Stock 870Expected 20/11/2026	Cut Tape 100,78 kr. 84,22 kr. 72,96 kr. 66,24 kr. Reel 62,89 kr. MouseReel Available	Min.: 1 Mult.: 1 : 290
Audio Transformers / Signal Transformers WE-LAN 2.5G/5G Base-T SMT 1 Port 120uH OCL a. 27mA DC Bias ETR from -40C to +85C 749082010 Wurth Elektronik 1: 98,47 kr. Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. 749082010 Mouser Part No 710-749082010	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 2.5G/5G Base-T SMT 1 Port 120uH OCL a. 27mA DC Bias ETR from -40C to +85C Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape 98,47 kr. 90,42 kr. 81,54 kr. 74,00 kr. Reel 64,31 kr. MouseReel Available	Min.: 1 Mult.: 1 : 290
Power Transformers - Board Mount WE-UNIT Offline 220uH .21A .29Ohm 7491181012 Wurth Elektronik 1: 47,15 kr. 273In Stock 132Expected 12/02/2027	Mfr. Part No. 7491181012 Mouser Part No 710-7491181012	Wurth Elektronik	Power Transformers - Board Mount WE-UNIT Offline 220uH .21A .29Ohm Learn More about Wurth Elektronik wurthWEUNITTransformer	Datasheet	273In Stock 132Expected 12/02/2027	47,15 kr. 41,48 kr. 39,31 kr. 37,15 kr. View 34,91 kr. 33,94 kr.	Min.: 1 Mult.: 1
Power Transformers - Board Mount WE-PoE+ Size EFD20 42uH 0.061ohm 7491194912 Wurth Elektronik 1: 38,57 kr. 446In Stock	Mfr. Part No. 7491194912 Mouser Part No 710-7491194912	Wurth Elektronik	Power Transformers - Board Mount WE-PoE+ Size EFD20 42uH 0.061ohm Learn More about Wurth Elektronik we PoE transformers	Datasheet	446In Stock	Cut Tape 38,57 kr. 37,23 kr. 35,14 kr. Reel 33,05 kr. 30,96 kr. MouseReel Available	Min.: 1 Mult.: 1 : 125
Power Transformers - Board Mount WE-PoE Size ER13 127uH 220mOhm 7491199112 Wurth Elektronik 1: 39,46 kr. 1.400In Stock	Mfr. Part No. 7491199112 Mouser Part No 710-7491199112	Wurth Elektronik	Power Transformers - Board Mount WE-PoE Size ER13 127uH 220mOhm Learn More about Wurth Elektronik we PoE transformers	Datasheet	1.400In Stock	Cut Tape 39,46 kr. 37,97 kr. 35,96 kr. 33,79 kr. Reel 30,06 kr. 29,47 kr. MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount WE-FLEX DCR=344mOhms 198.6uH 500VDC SMD 749196101 Wurth Elektronik 1: 36,18 kr. 920In Stock	Mfr. Part No. 749196101 Mouser Part No 710-749196101	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX DCR=344mOhms 198.6uH 500VDC SMD Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	920In Stock	Cut Tape 36,18 kr. 32,90 kr. 29,77 kr. 26,48 kr. Reel 24,02 kr. 22,75 kr. MouseReel Available	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196121 Wurth Elektronik 1: 39,84 kr. 939In Stock	Mfr. Part No. 749196121 Mouser Part No 710-749196121	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter	Datasheet	939In Stock	Cut Tape 39,84 kr. 35,81 kr. 31,85 kr. 27,83 kr. Reel 24,47 kr. 23,95 kr.	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196131 Wurth Elektronik 1: 39,84 kr. 569In Stock	Mfr. Part No. 749196131 Mouser Part No 710-749196131	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	569In Stock	Cut Tape 39,84 kr. 35,81 kr. 31,85 kr. 27,83 kr. Reel 23,95 kr.	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A 749196301 Wurth Elektronik 1: 50,21 kr. 504In Stock	Mfr. Part No. 749196301 Mouser Part No 710-749196301	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	504In Stock	Cut Tape 50,21 kr. 40,58 kr. 32,82 kr. 30,74 kr. 29,39 kr. Reel 24,62 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300
Power Transformers - Board Mount WE-FB LT3751 10 uH 750032052 Wurth Elektronik 1: 69,53 kr. 2.013In Stock	Mfr. Part No. 750032052 Mouser Part No 710-750032052	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3751 10 uH Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	2.013In Stock	Cut Tape 69,53 kr. 65,20 kr. 62,29 kr. Reel 56,62 kr. 51,03 kr. MouseReel Available	Min.: 1 Mult.: 1 : 125
Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W 750310562 Wurth Elektronik 1: 39,02 kr. 477In Stock	Mfr. Part No. 750310562 Mouser Part No 710-750310562	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	477In Stock	Cut Tape 39,02 kr. 36,18 kr. Reel 27,83 kr. MouseReel Available	Min.: 1 Mult.: 1 : 250
Power Transformers - Board Mount WE-POE LT4276 38 uH 25.2 W 750310742 Wurth Elektronik 1: 30,59 kr. 1.011In Stock	Mfr. Part No. 750310742 Mouser Part No 710-750310742	Wurth Elektronik	Power Transformers - Board Mount WE-POE LT4276 38 uH 25.2 W Learn More about Wurth Elektronik we PoE transformers	Datasheet	1.011In Stock	Cut Tape 30,59 kr. 28,42 kr. 26,26 kr. 24,10 kr. Reel 21,86 kr. 18,05 kr. MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 2 W 750311019 Wurth Elektronik 1: 33,79 kr. 683In Stock	Mfr. Part No. 750311019 Mouser Part No 710-750311019	Wurth Elektronik	Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 2 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	683In Stock	Cut Tape 33,79 kr. 31,41 kr. Reel 24,10 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300

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