Audio Transformers / Signal Transformers

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Signal Transformers

Würth Elektronik Signal Transformers include LAN, analog, and data communication transformers. These transformers were developed for power over ethernet (PoE), power line communications (PLC), position sensors, DSL, and Internet of Things (IoT). Würth Elektronik Signal Transformers are ideal for routers, switches, building automation, lighting controls, and ultrasonic distance sensors.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Termination Style	Frequency Range	Inductance	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Package / Case	Length	Width	Height	Series	Packaging
Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T 749020310 Wurth Elektronik 1: $7.975 7.369In Stock	Mfr. Part # 749020310 Mouser Part # 710-749020310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	7.369In Stock	Cut Tape $7.975 $6.995 $6.243 Reel $5.389 $4.375 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	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
Audio Transformers / Signal Transformers MID-PLC ST8500 1 mH - 750510730 Wurth Elektronik 1: $4.865 1.076In Stock 1.260Expected 1/28/2027	Mfr. Part # 750510730 Mouser Part # 710-750510730	Wurth Elektronik	Audio Transformers / Signal Transformers MID-PLC ST8500 1 mH - Learn More about Wurth Elektronik wurth electronics mid plc	Datasheet	1.076In Stock 1.260Expected 1/28/2027	Cut Tape $4.865 $4.398 $4.227 $4.090 Reel $3.315 View $3.213 $3.076 $3.030 $2.860 MouseReel Available	Min.: 1 Mult.: 1 : 140	Signal Transformers		SMD/SMT		1 mH	1.5 kVAC	- 20 C	+ 80 C	Single		13.97 mm	15.4 mm	13.2 mm	MID-PLC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MID-PLC ST8500 1 mH 750510231 Wurth Elektronik 1: $3.167 4.453In Stock	Mfr. Part # 750510231 Mouser Part # 710-750510231	Wurth Elektronik	Audio Transformers / Signal Transformers MID-PLC ST8500 1 mH Learn More about Wurth Elektronik wurth electronics mid plc	Datasheet	4.453In Stock	$3.167 $2.860 $2.757 $2.746 View $2.518 $2.472 $2.381 $2.313 $2.153	Min.: 1 Mult.: 1	Signal Transformers	PLC	Through Hole		1 mH	2 kVAC	- 20 C	+ 80 C	Single		13.97 mm	13.97 mm	13.46 mm	MID-PLC	Tray
Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr 749014010 Wurth Elektronik 1: $8.875 872In Stock	Mfr. Part # 749014010 Mouser Part # 710-749014010	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	872In Stock	Cut Tape $8.875 $8.567 $8.089 $7.610 Reel $7.576 $6.596 MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	350 uH	4.5 kVAC	0 C	+ 70 C	Quad	17.1 mm x 14.75 mm x 8.4 mm	17.1 mm	15.34 mm	8.4 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-PLC EE13/7/4 (EF12.6) THT 750510476 Wurth Elektronik 1: $5.981 407In Stock 1.040Expected 4/16/2027	Mfr. Part # 750510476 Mouser Part # 710-750510476	Wurth Elektronik	Audio Transformers / Signal Transformers WE-PLC EE13/7/4 (EF12.6) THT Learn More about Wurth Elektronik wurth we plc transformers	Datasheet	407In Stock 1.040Expected 4/16/2027	$5.981 $5.400 $5.184 $5.024 View $4.808 $4.660 $4.512 $4.375	Min.: 1 Mult.: 1	Signal Transformers	PLC	Through Hole		870 uH	4 kVAC	- 40 C	+ 125 C	Single		13.72 mm	19.8 mm	10.16 mm	WE-PLC	Tray
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD 7490220122 Wurth Elektronik 1: $7.952 9.867In Stock	Mfr. Part # 7490220122 Mouser Part # 710-7490220122	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	9.867In Stock	Cut Tape $7.952 $7.667 $7.200 $6.779 Reel $6.038 MouseReel Available	Min.: 1 Mult.: 1 : 290	LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	350 uH	1.5 kVAC	- 40 C	+ 105 C	Quad		18.29 mm	16 mm	8.8 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 1Port Trnsfmr 10/100 Base-T SMD 7490100161A Wurth Elektronik / Midcom 1: $4.033 840In Stock	Mfr. Part # 7490100161A Mouser Part # 710-7490100161A	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 1Port Trnsfmr 10/100 Base-T SMD Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	840In Stock	Cut Tape $4.033 $3.634 $3.498 $3.384 Reel $3.019 View $3.281 $3.144 $2.871 $2.803 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kVAC	- 40 C	+ 125 C	Single		12.7 mm	9.4 mm	6.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN DP83822 10/100 Base-T 1Port SMD Transfrme 7490120110 Wurth Elektronik / Midcom 1: $5.833 1.973In Stock 1.950Expected 1/29/2027	Mfr. Part # 7490120110 Mouser Part # 710-7490120110	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN DP83822 10/100 Base-T 1Port SMD Transfrme Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	1.973In Stock 1.950Expected 1/29/2027	Cut Tape $5.833 $5.400 $4.910 $4.455 Reel $3.851 $3.498 MouseReel Available	Min.: 1 Mult.: 1 : 650	LAN Transformers	LAN	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kVAC	- 40 C	+ 85 C	Single		12.7 mm	9.52 mm	5.6 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD 1 Port Transfrmr 749013011A Wurth Elektronik / Midcom 1: $4.477 5.289In Stock	Mfr. Part # 749013011A Mouser Part # 710-749013011A	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD 1 Port Transfrmr Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	5.289In Stock	Cut Tape $4.477 $4.147 $3.805 $3.532 Reel $2.643 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN	SMD/SMT	1 MHz to 1 GHz	350 uH	1.5 kVAC	- 40 C	+ 105 C	Single		12.7 mm	9.4 mm	6.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base T 1Port SMD Trnsfmr 7490140112 Wurth Elektronik 1: $19.037 421In Stock	Mfr. Part # 7490140112 Mouser Part # 710-7490140112	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100 Base T 1Port SMD Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	421In Stock	Cut Tape $19.037 $18.365 $17.340 $16.326 Reel $15.050 $14.047 MouseReel Available	Min.: 1 Mult.: 1 : 200	LAN Transformers	LAN	SMD/SMT		350 uH	6 kVAC	- 40 C	+ 85 C	Dual		24.55 mm	18.25 mm	10.85 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMD Extended 1 Port 10/100 Base-T 749014012 Wurth Elektronik 1: $13.945 303In Stock	Mfr. Part # 749014012 Mouser Part # 710-749014012	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMD Extended 1 Port 10/100 Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	303In Stock	Cut Tape $13.945 $13.466 $12.703 $11.381 Reel $10.652 $10.299 MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers	LAN	SMD/SMT	500 kHz to 100 MHz	350 uH	4 kVAC	0 C	+ 70 C	Single	24.55 mm x 17 mm x 10.85 mm	24.55 mm	18.25 mm	10.85 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD 7490220120 Wurth Elektronik 1: $6.767 2.923In Stock 2.000Expected 1/29/2027	Mfr. Part # 7490220120 Mouser Part # 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 1/29/2027	Cut Tape $6.767 $6.528 $6.129 $5.776 Reel $5.184 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		18.29 mm	16 mm	6.15 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD 7490220121 Wurth Elektronik / Midcom 1: $7.371 1.411In Stock 1.280Expected 1/29/2027	Mfr. Part # 7490220121 Mouser Part # 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 1/29/2027	Cut Tape $7.371 $7.109 $6.676 $6.277 Reel $5.594 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		18.29 mm	16 mm	7.2 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMD Transfrmr 10/100/1000Base-T 7490220123 Wurth Elektronik 1: $7.371 2.334In Stock 1.740Expected 11/20/2026	Mfr. Part # 7490220123 Mouser Part # 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 11/20/2026	Cut Tape $7.371 $7.109 $6.676 $6.277 Reel $5.594 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		18.29 mm	16 mm	8.8 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr 749050017 Wurth Elektronik 1: $14.959 939In Stock	Mfr. Part # 749050017 Mouser Part # 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 $14.959 $12.418 $10.789 $9.752 Reel $9.262 MouseReel Available	Min.: 1 Mult.: 1 : 450	LAN Transformers	LAN	SMD/SMT	100 kHz to 500 MHz	120 uH	1.5 kVAC	- 40 C	+ 85 C	1 Channel		13.97 mm	15.11 mm	6.6 mm	WE-LAN 10G	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr 749050018 Wurth Elektronik 1: $14.959 539In Stock	Mfr. Part # 749050018 Mouser Part # 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 $14.959 $12.418 $10.789 $9.752 Reel $9.262 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		13.97 mm	15.11 mm	6.6 mm	WE-LAN 10G	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr 749052050 Wurth Elektronik 1: $17.898 839In Stock 870Expected 11/27/2026	Mfr. Part # 749052050 Mouser Part # 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 11/27/2026	Cut Tape $17.898 $14.959 $12.954 $11.757 Reel $11.165 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		18.29 mm	16 mm	8.8 mm	WE-LAN 10G	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-AMT Trnsfmr 30uH .350Ohm 750082154 Wurth Elektronik 1: $900 423In Stock 6.000Expected 1/28/2027	Mfr. Part # 750082154 Mouser Part # 710-750082154	Wurth Elektronik	Audio Transformers / Signal Transformers WE-AMT Trnsfmr 30uH .350Ohm Learn More about Wurth Elektronik wurth electronics signal transformers	Datasheet	423In Stock 6.000Expected 1/28/2027	Cut Tape $900 $895 $839 $755 $671 Reel $671 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Signal Transformers		SMD/SMT		30 uH	3.75 kVAC			Single	4.39 mm x 9.14 mm x 1.98 mm	4.39 mm	9.14 mm	1.98 mm	MID-DAA	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MID-PLC ST7540 1 mH - 750510682 Wurth Elektronik 1: $4.147 407In Stock 1.120Expected 3/11/2027	Mfr. Part # 750510682 Mouser Part # 710-750510682	Wurth Elektronik	Audio Transformers / Signal Transformers MID-PLC ST7540 1 mH - Learn More about Wurth Elektronik wurth electronics mid plc	Datasheet	407In Stock 1.120Expected 3/11/2027	Cut Tape $4.147 $3.748 $3.600 $3.486 Reel $3.327 View $3.224 $3.087 $2.996 $2.985 MouseReel Available	Min.: 1 Mult.: 1 : 140	Signal Transformers		SMD/SMT		1 mH	1.5 kVAC	- 20 C	+ 80 C	Single		13.97 mm	15.4 mm	13.2 mm	MID-PLC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD Trnsfmr 1 Port 749010310 Wurth Elektronik / Midcom 1: $6.152 5.502On Order	Mfr. Part # 749010310 Mouser Part # 710-749010310	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD Trnsfmr 1 Port Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	5.502On Order On Order Ship Dates Mfr. #: 749010310 Stock: 0 On Order: 1.502 Expected 4/30/2027 1.600 Expected 6/30/2027 2.400 Expected 7/6/2027 Factory Lead-Time: 35 Weeks	Cut Tape $6.152 $5.537 $4.922 $4.512 Reel $3.498 MouseReel Available	Min.: 1 Mult.: 1 : 800	LAN Transformers	LAN	SMD/SMT	500 kHz to 100 MHz	300 uH	1.5 kVAC	- 40 C	+ 85 C	Single		12.7 mm	8.67 mm	4 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN Design Kit LAN Transformers 749010 Wurth Elektronik 1: $356.753 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 749010 Mouser Part # 710-749010	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN Design Kit LAN Transformers Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	$356.753	Min.: 1 Mult.: 1	Design Kits		SMD/SMT	500 kHz to 100 MHz	350 uH	1.5 kVAC	- 40 C	+ 85 C			12.95 mm	7.11 mm	5.33 mm	WE-LAN	Bulk
Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr 749014011 Wurth Elektronik 250: $10.652 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # 749014011 Mouser Part # 710-749014011	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $10.652 $10.299	Min.: 250 Mult.: 250 : 250	LAN Transformers	LAN	SMD/SMT		350 uH	4 kVAC	0 C	+ 70 C	Quad	24.55 mm x 18.25 mm x 10.85 mm	24.55 mm	18.25 mm	10.85 mm	WE-LAN	Reel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T 1Port SMD Transfrme 749014018 Wurth Elektronik 1.200: $11.962 Non-Stocked	Mfr. Part # 749014018 Mouser Part # 710-749014018	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T 1Port SMD Transfrme Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked	Cut Tape $11.962	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		17.1 mm	15.34 mm	8.4 mm	WE-LAN	Reel
Audio Transformers / Signal Transformers WE-LAN SMD Extended 1 Port 10G Base-T 749050010U Wurth Elektronik 450: $8.829 Non-Stocked	Mfr. Part # 749050010U Mouser Part # 710-749050010U	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMD Extended 1 Port 10G Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked	Reel $8.829 $7.360	Min.: 450 Mult.: 450 : 450	LAN Transformers	LAN	SMD/SMT	100 kHz to 500 MHz	200 uH	1.5 kVAC	0 C	+ 70 C	1 Channel		13.97 mm	15.11 mm	6.6 mm	WE-LAN 10G	Reel
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr 749052011 Wurth Elektronik / Midcom 320: $9.353 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # 749052011 Mouser Part # 710-749052011	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel $9.353	Min.: 320 Mult.: 320 : 320	LAN Transformers	Module	SMD/SMT	100 kHz to 500 MHz	120 uH	1.5 kVAC	0 C	+ 70 C	1 Channel		18.29 mm	16 mm	7.2 mm	WE-LAN 10G	Reel

Signal Transformers

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Signal Transformers

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