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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 (EUR) 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: €7.89 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 €7.89 €6.56 €5.97 €5.43 Reel €4.91 MouseReel Available	Min.: 1 Mult.: 1 : 300
Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm 7490140123B Wurth Elektronik 1: €10.28 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 €10.28 €8.57 €7.79 €7.47 Reel €7.09 MouseReel Available	Min.: 1 Mult.: 1 : 300
Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port 749020010A Wurth Elektronik 1: €5.95 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 €5.95 €5.44 €5.03 €4.72 Reel €4.48 €4.29 MouseReel Available	Min.: 1 Mult.: 1 : 400
Audio Transformers / Signal Transformers WE-LAN SMT TRANSFMR 1000BT 1Port PoE+ETR 749022011 Wurth Elektronik 1: €5.56 1,576In 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	1,576In Stock 1,200Expected 05/02/2027	Cut Tape €5.56 €5.36 €5.06 €4.50 Reel €4.27 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: €5.11 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 €5.11 €4.93 €4.63 €4.36 Reel €3.91 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: €5.56 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 €5.56 €5.37 €5.04 €4.74 Reel €4.22 MouseReel Available	Min.: 1 Mult.: 1 : 320
Audio Transformers / Signal Transformers WE-LAN SMD Transfrmr 10/100/1000Base-T 7490220123 Wurth Elektronik 1: €5.56 2,334In 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	2,334In Stock 1,740Expected 20/11/2026	Cut Tape €5.56 €5.37 €5.04 €4.74 Reel €4.22 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: €10.28 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 €10.28 €8.57 €7.79 €7.08 Reel €6.68 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: €10.28 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 €10.28 €8.57 €7.79 €7.08 Reel €6.11 MouseReel Available	Min.: 1 Mult.: 1 : 240
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port Transformer 749050010A Wurth Elektronik 1: €6.95 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 €6.95 €6.27 €6.01 €5.83 Reel €5.00 View €5.65 €4.75 MouseReel Available	Min.: 1 Mult.: 1 : 400
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr 749050017 Wurth Elektronik 1: €11.29 939In Stock	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	939In Stock	Cut Tape €11.29 €9.37 €8.14 €7.36 Reel €6.99 MouseReel Available	Min.: 1 Mult.: 1 : 450
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr 749050018 Wurth Elektronik 1: €11.29 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 €11.29 €9.37 €8.14 €7.36 Reel €6.99 MouseReel Available	Min.: 1 Mult.: 1 : 450
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr 749052050 Wurth Elektronik 1: €13.51 839In Stock 870Expected 27/11/2026	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 27/11/2026	Cut Tape €13.51 €11.29 €9.78 €8.88 Reel €8.43 MouseReel Available	Min.: 1 Mult.: 1 : 290
Power Transformers - Board Mount WE-PoE Power over Ethernet Transformer 7491193912 Wurth Elektronik 1: €9.85 600In Stock	Mfr. Part No. 7491193912 Mouser Part No 710-7491193912	Wurth Elektronik	Power Transformers - Board Mount WE-PoE Power over Ethernet Transformer	Datasheet	600In Stock	Cut Tape €9.85 €8.86 €7.88 €6.89 Reel €5.92	Min.: 1 Mult.: 1 : 300
Power Transformers - Board Mount WE-PoE+ Size EFD20 42uH 0.061ohm 7491194912 Wurth Elektronik 1: €5.17 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 €5.17 €4.99 €4.71 Reel €4.43 €4.15 MouseReel Available	Min.: 1 Mult.: 1 : 125
Power Transformers - Board Mount WE-PoE Size ER13 127uH 220mOhm 7491199112 Wurth Elektronik 1: €5.29 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 €5.29 €5.09 €4.82 €4.53 Reel €4.03 €3.95 MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount WE-FLEX DCR=344mOhms 198.6uH 500VDC SMD 749196101 Wurth Elektronik 1: €4.85 795In 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	795In Stock	Cut Tape €4.85 €4.41 €3.99 €3.55 Reel €3.22 €3.05 MouseReel Available	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196121 Wurth Elektronik 1: €5.34 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 €5.34 €4.80 €4.27 €3.73 Reel €3.28 €3.21	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196131 Wurth Elektronik 1: €5.34 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 €5.34 €4.80 €4.27 €3.73 Reel €3.21	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms 749196141 Wurth Elektronik 1: €5.81 806In Stock	Mfr. Part No. 749196141 Mouser Part No 710-749196141	Wurth Elektronik	Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	806In Stock	Cut Tape €5.81 €5.24 €5.03 €4.88 Reel €4.39 View €4.72 €4.52 €4.17	Min.: 1 Mult.: 1 : 500
Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A 749196301 Wurth Elektronik 1: €6.73 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 €6.73 €5.44 €4.40 €4.12 €3.94 Reel €3.30 MouseReel Available	Min.: 1 Mult.: 1 : 300
Power Transformers - Board Mount WE-FB LT3751 10 uH 750032052 Wurth Elektronik 1: €9.32 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 €9.32 €8.74 €8.35 Reel €7.59 €6.84 MouseReel Available	Min.: 1 Mult.: 1 : 125
Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W 750310562 Wurth Elektronik 1: €5.23 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 €5.23 €4.85 Reel €3.73 MouseReel Available	Min.: 1 Mult.: 1 : 250
Power Transformers - Board Mount WE-POE LT4276 38 uH 25.2 W 750310742 Wurth Elektronik 1: €4.10 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 €4.10 €3.81 €3.52 €3.23 Reel €2.93 €2.42 MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 2 W 750311019 Wurth Elektronik 1: €4.53 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 €4.53 €4.21 Reel €3.23 MouseReel Available	Min.: 1 Mult.: 1 : 300

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