High Isolation Ethernet Magnetic Transformers

Pulse Electronics High Isolation Ethernet Magnetic Transformers meet IEEE 802.3 specifications and feature a compact footprint for use in space-restrictive appliances. These transformers offer high isolation for robust applications that require more isolation than traditional LAN applications. They provide safety isolation of up to 6kV and are ideal for both industrial and medical applications. The transformers come with multiple options for working voltages, isolation voltages, and surge/impulse. Pulse Electronics High Isolation Ethernet Magnetic Transformers also meet functional, basic, supplementary, and reinforced insulation requirements. Typical applications include 2-phase and 3-phase electricity meters, battery management solutions, AC motor drives, MRI machines, CPAP machines, and dialysis equipment.

Results: 83
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Product Type Termination Style Frequency Range Inductance Primary Impedance Secondary Impedance Isolation Voltage Minimum Operating Temperature Maximum Operating Temperature Number of Channels Application Package/Case Length Width Height Series Packaging


Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Port 518In Stock
1,140Expected 20/02/2026
Min.: 1
Mult.: 1
Reel: 600

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 100 Base-TX HX Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers MDL SIN 100D 1:1 4.5K SUPPULMENT SMD 38In Stock
Min.: 1
Mult.: 1

Signal Transformers SMD/SMT 350 uH 4.5 kV - 40 C + 85 C Dual 15.2 mm 12.7 mm 7.62 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers MDL,SIN,1GD,1:1,SMT TR, NPB 285In Stock
300Expected 16/02/2026
Min.: 1
Mult.: 1
Reel: 300

Signal Transformers SMD/SMT 125 MHz 100 Ohms 1.5 kV - 40 C + 85 C 17.5 mm 12.2 mm 5.72 mm Reel, Cut Tape, MouseReel


Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 325uH 1-Port 178In Stock
1,285Expected 20/02/2026
Min.: 1
Mult.: 1
Reel: 350

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 1000 Base-T 13.16 mm 18.67 mm 6.12 mm HX Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD PoE 325uH 1-Port 40In Stock
2,135Expected 20/02/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 1000 Base-T 13.64 mm 13.64 mm 5.72 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Por 22In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Dual 1000 Base-T 27.94 mm 10.92 mm 8.33 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port 100In Stock
Min.: 1
Mult.: 1
Reel: 250

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Dual 1000 Base-T 27.94 mm 10.92 mm 8.33 mm HX Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers MDL SIN 1GD 1:1 4KV FUNCTUNIONAL SMD 21In Stock
550Expected 04/05/2026
Min.: 1
Mult.: 1

LAN Transformers SMD/SMT 1 MHz to 100 MHz 350 uH 4 kV - 40 C + 85 C Single 1000 Base-T 18.16 mm 12.2 mm 6.6 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por 149In Stock
700Expected 25/05/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 1000 Base-T 17.53 mm 16 mm 5.715 mm 1000Base-T Tube


Pulse Electronics Audio Transformers / Signal Transformers 1000Base-T NonPoE 1-Port SMD 350uH 87In Stock
700Expected 18/03/2026
Min.: 1
Mult.: 1
Reel: 700

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 1000 Base-T 15.24 mm 9.78 mm 4.14 mm HX Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port 100In Stock
252Expected 04/05/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Dual 1000 Base-T 17.27 mm 14.73 mm 10.67 mm HX Tray
Pulse Electronics Audio Transformers / Signal Transformers 1000BASE-T SMD PoE+ 1-Port 24In Stock
400Expected 30/03/2026
Min.: 1
Mult.: 1
Reel: 25

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 350 uH 4 kV - 40 C + 85 C Quad 1000 Base-T 18.5 mm 15.34 mm 9.77 mm HX Reel, Cut Tape
Pulse Electronics Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA 47In Stock
525Expected 16/02/2026
Min.: 1
Mult.: 1

PoE Transformers Module SMD/SMT 120 uH 1.5 kVrms - 40 C + 85 C Single 15.24 mm 7.62 mm 8.64 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers 30W 3KVrms SMT Single Port 56In Stock
Min.: 1
Mult.: 1

PoE Transformers Pin Terminal Transformers Through Hole - 40 C + 85 C Single 28.57 mm 12.7 mm 12.7 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por 393In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Single 100 Base-TX PoE SMT 12.7 mm 9.53 mm 6.09 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port 190In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Single 100 Base-TX PoE SMT 12.7 mm 9.53 mm 6 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port 17In Stock
3,160On Order
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 100 Base-TX PoE SMT 12.7 mm 9.53 mm 6 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port 25In Stock
640Expected 20/02/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 100 Base-TX PoE SMT 12.7 mm 9.53 mm 6 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port 6In Stock
1,400Expected 13/05/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 100 Base-TX PoE SMT 12.7 mm 9.53 mm 6 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 1000Base-T PoE SMD 1-Port 325uH/350uH 1In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 1 MHz to 125 MHz 350 uH 1.5 kV - 40 C + 85 C Single 1000 Base-T PoE 17.5 mm 15.24 mm 5.72 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port
7,956Expected 10/06/2026
Min.: 1
Mult.: 1
Reel: 2,000

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 10/100 PC Card 12.7 mm 9.652 mm 2.083 mm HX Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 325uH 1-Port
5,047Expected 20/02/2026
Min.: 1
Mult.: 1
Reel: 350

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 1000 Base-T 13.64 mm 18.8 mm 5.72 mm HX Reel, Cut Tape, MouseReel


Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port
3,464Expected 16/02/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 1000 Base-T 0.6 in 0.3 in 0.163 in Discrete LAN Tube
Pulse Electronics Audio Transformers / Signal Transformers MDL,SIN,1GD,1:1,SMT TR NPB
1,504Expected 16/02/2026
Min.: 1
Mult.: 1
Reel: 1,000

LAN Transformers SMD/SMT 100 MHz 350 uH 100 Ohms 1.5 kV - 40 C + 85 C Single 1000 Base-T 16.51 mm 9.14 mm 2.08 mm HX Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD PoE 350uH 1-port
1,238Expected 16/02/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 350 uH 1.5 kV - 40 C + 85 C Single 100 Base-T 12.7 mm 9.65 mm 4.01 mm 100Base-TX Tube