Ethernet Solutions

Würth Elektronik offers multiple Ethernet solutions, including LAN transformers and modular jack connectors. The WE-LAN transformer series is designed with at least one transformer and one common mode choke in each channel. The LAN transformer portfolio consists of the WE-LAN series with Power over Ethernet (PoE) up to 150W and speeds up to 1Gbit/s, the WE-LAN 10G series with 10G Base-T and PoE(+) over four pairs up to 150W, and the WE-LAN AQ series, which is manufactured by a fully automated process with Ethernet speeds up to 1Gbit/s.

Results: 49
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Termination Style
Frequency Range
Inductance
Isolation Voltage
Minimum Operating Temperature
Maximum Operating Temperature
Number of Channels
Application
Package / Case
Length
Width
Height
Series
Packaging
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN Transformer 1000BT 1/2 Port ETR
Datasheet
5,085In Stock
12,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,200

LAN Transformers LAN SMD/SMT 350 uH 1500 Vrms - 40 C + 105 C Single LAN 12.7 mm 9.5 mm 3 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port
Datasheet
3,791In Stock
10,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

LAN Transformers LAN SMD/SMT 350 uH 1500 Vrms 0 C + 70 C Single LAN 16.5 mm 9.7 mm 2.35 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T
Datasheet
2,186In Stock
5,600On Order
MouseReel Available
Min.: 1
Mult.: 1
: 400

LAN Transformers LAN SMD/SMT 500 kHz to 100 MHz 350 uH 1.501 kVAC - 40 C + 85 C Single 10/100/1000 Base-T 17.53 mm x 14.6 mm x 4.5 mm 17.53 mm 16.51 mm 4.5 mm WE-LANAQ Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN SMT TRANSFMR 1000BT 1Port PoE+ETR
Datasheet
761In Stock
1,500Expected 10/2/2026
MouseReel Available
Min.: 1
Mult.: 1
: 375

LAN Transformers LAN SMD/SMT 350 uH 1.5 kVAC - 40 C + 85 C Quad LAN 18.3 mm 12.2 mm 6.35 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 1KBaseT 4PPoE 350uH 1Port 1500Vrms
Datasheet
613In Stock
800Expected 8/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 400

LAN Transformers LAN SMD/SMT 350 uH 1.5 kV - 40 C + 85 C 18.3 mm 12.2 mm 6.35 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD
Datasheet
667In Stock
2,000Expected 8/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 400

LAN Transformers LAN SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kVAC - 40 C + 105 C Quad 10/100/1000 Base-T 18.29 mm 16 mm 6.15 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik / Midcom Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD
Datasheet
1,138In Stock
1,280Expected 8/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 320

LAN Transformers LAN SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kVAC - 40 C + 105 C Quad 10/100/1000 Base-T 18.29 mm 16 mm 7.2 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN SMD Transfrmr 10/100/1000Base-T
Datasheet
2,008In Stock
1,740Expected 9/4/2026
MouseReel Available
Min.: 1
Mult.: 1
: 290

LAN Transformers LAN SMD/SMT 1 MHz to 100 MHz 180 uH 1.5 kVAC - 40 C + 105 C Quad 10/100/1000 Base-T 18.29 mm 16 mm 8.8 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN AQ 1KBaseT 4PPoE 150uH 1500Vrms
Datasheet
877In Stock
800Expected 8/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 800

LAN Transformers LAN SMD/SMT 150 uH 1.5 kV - 40 C + 85 C 16.5 mm 10.3 mm 4.1 mm WE-LANAQ Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN AQ 1KBaseT 4PPoE 180uH 1500Vrms
Datasheet
752In Stock
800Expected 8/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 800

LAN Transformers LAN SMD/SMT 180 uH 1.5 kV - 40 C + 85 C 16.5 mm 10.3 mm 4.1 mm WE-LANAQ Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 1Port 1500Vrms
Datasheet
363In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

LAN Transformers LAN SMD/SMT 350 uH 1.5 kV - 40 C + 105 C 17.6 mm 14.65 mm 8.8 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr
Datasheet
311In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 450

LAN Transformers Module SMD/SMT 100 kHz to 500 MHz 120 uH 1.5 kVAC - 40 C + 85 C Single LAN 13.97 mm 15.11 mm 6.6 mm WE-LAN 10G Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr
Datasheet
428In Stock
1,450On Order
MouseReel Available
Min.: 1
Mult.: 1
: 290

LAN Transformers Module SMD/SMT 100 kHz to 500 MHz 180 uH 1.5 kVAC 0 C + 70 C Single LAN 18.29 mm 16 mm 8.8 mm WE-LAN 10G Reel, Cut Tape, MouseReel
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
Datasheet
365In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 290

LAN Transformers LAN Transformer SMD/SMT 350 uH 1.5 kV - 40 C + 85 C 18.29 mm 16 mm 8.8 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 100BT 1 Port
Datasheet
803In Stock
600Expected 8/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 600

LAN Transformers LAN SMD/SMT 350 uH 1500 Vrms 0 C + 70 C Single LAN 12.7 mm 9.1 mm 6.35 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 40pin pitch 1.27mm
Datasheet
24In Stock
200On Order
MouseReel Available
Min.: 1
Mult.: 1
: 200

LAN Transformers LAN Transformer SMD/SMT 350 uH 4 kVAC - 40 C + 85 C 28.32 mm 12.7 mm 12.7 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 1000BASE-T 24pin pitch 1.27mm
Datasheet
164In Stock
960On Order
MouseReel Available
Min.: 1
Mult.: 1
: 240

LAN Transformers LAN Transformer SMD/SMT 350 uH 4 kVAC - 40 C + 85 C 18.25 mm 15.24 mm 10.02 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port Transformer
Datasheet
203In Stock
400Expected 8/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 400

LAN Transformers Module SMD/SMT 200 uH 1.5 kVAC 0 C + 70 C LAN WE-LAN 10G Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 1000Base-T 350uH 1Port 1500Vrms
Datasheet
57,522Expected 9/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 800

LAN Transformers LAN SMD/SMT 350 uH 1.5 kV - 40 C + 85 C 15.1 mm 7.1 mm 4.25 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN AQ 10/100BasT 4PPoE 180uH 1500Vrms
Datasheet
1,600On Order
MouseReel Available
Min.: 1
Mult.: 1
: 800

LAN Transformers LAN SMD/SMT 180 uH 1.5 kV - 40 C + 85 C 12.7 mm 8.67 mm 4 mm WE-LANAQ Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr
Datasheet
Non-Stocked Lead-Time 16 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 250

LAN Transformers LAN SMD/SMT 350 uH 4 kVAC 0 C + 70 C Quad 10/100 Base-T 24.55 mm x 18.25 mm x 10.85 mm 24.55 mm 18.25 mm 10.85 mm WE-LAN Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T 1Port SMD Transfrme
Datasheet
Non-Stocked
Min.: 1,200
Mult.: 300
: 300

LAN Transformers LAN SMD/SMT 100 kHz to 100 MHz 350 uH 4 kVAC 0 C + 70 C Single 10/100 Base-T 17.1 mm 15.34 mm 8.4 mm WE-LAN Reel
Wurth Elektronik Audio Transformers / Signal Transformers 10/100/1000 Base-T SMT Transfmr 1 Port
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 350
Mult.: 350
: 350

LAN Transformers LAN SMD/SMT 350 uH 1.5 kV - 40 C + 85 C 4 Channel 18.01 mm 13.72 mm 6.73 mm WE-LAN Reel
Wurth Elektronik Audio Transformers / Signal Transformers 10G Base-T SMT Transformer
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 300
Mult.: 300
: 300

LAN Transformers LAN SMD/SMT 350 uH 1.5 kV 10/100/1000 Base-T, LAN, Ethernet WE-LAN Reel