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: 82
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) 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 1000BaseT SMD PoE 350uH .65Ohms 4-Por 36In Stock
1,320On Order
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 200 MHz 350 uH 1.5 kV - 40 C + 85 C Quad 1000 Base-T 28.45 mm 17.27 mm 11.18 mm HX5401NL Tray
Pulse Electronics Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA 469In Stock
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 120uH 1500V T/R=1 2% DC=600mA 683In Stock
Min.: 1
Mult.: 1
: 300

PoE Transformers Module SMD/SMT 120 uH 1.5 kVrms - 40 C + 85 C Single 15.24 mm 7.62 mm 8.64 mm HX Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port 502In Stock
3,000On 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 HX1148NL
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port 559In Stock
1,000Expected 21/09/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 10/100 Base-T 25.4 mm 9.91 mm 6.22 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD PoE 350uH 1-port 197In Stock
1,880Expected 21/10/2026
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
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port 352In Stock
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 12.7 mm 9.53 mm 5.97 mm 100Base-TX Tube
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port 66In Stock
3,600Expected 07/08/2026
Min.: 1
Mult.: 1
: 600

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 100 Base-TX 12.7 mm 9.53 mm 5.97 mm HX Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-port 405In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 350 uH 1.5 kV - 40 C + 85 C Single 100 Base-T 0.5 in 0.358 in 0.236 in 100Base-TX Tube
Pulse Electronics Audio Transformers / Signal Transformers 100BASE-T SMD NonPoE 1-Port 118In Stock
385Expected 10/08/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 350 uH 4 kV - 40 C + 85 C Single 100 Base-T 0.57 in 0.537 in 0.245 in Tube
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por 316In Stock
680Expected 18/11/2026
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 12.7 mm 9.65 mm 6 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 2-Port 73In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Dual 10/100 Base-TX 13.89 mm 19.05 mm 5.97 mm HX Tube


Pulse Electronics Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 2-Port 176In Stock
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz - 40 C + 85 C Dual 10/100 Base-TX 18.44 mm 13.67 mm 5.87 mm HX Reel, Cut Tape
Pulse Electronics Audio Transformers / Signal Transformers MDL SIN 100D 1:1 4.5K SUPPULMENT SMD 37In 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 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port 34In Stock
Min.: 1
Mult.: 1
: 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 1000BaseT SMD NonPoE 350uH .65Ohms 2-Por 22In Stock
420Expected 07/08/2026
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 27.94 mm 10.92 mm 8.33 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers QUAD 1000BASE-TX 1:1 4PAIR POE 20In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 350 uH 1.5 kV - 40 C + 85 C 4 Channel HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port 321In 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 110In Stock
640Expected 12/08/2026
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 100Base-TX NON-POE 350uH .65Ohms 1-Port 58In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 350 uH - 40 C + 85 C Quad 100 Base-T 14.732 mm 14.732 mm 4.877 mm Tube


Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port
4,286On 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 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 5K FUNCTUNIONAL SMD
280Expected 17/08/2026
Min.: 1
Mult.: 1

Signal Transformers SMD/SMT 350 uH 5 kV 0 C + 70 C Single 1000 Base-T 18.5 mm 15.34 mm 9.77 mm Tube


Pulse Electronics Audio Transformers / Signal Transformers 1000Base-T PCMCIA 1-Port NonPoE SMD
1,150On Order
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 125 MHz 350 uH 1.5 kV - 40 C + 85 C Single 1000 Base-T 19.81 mm 19.05 mm 2.54 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers MDL SIN 1GD 1:1 4KV FUNCTUNIONAL SMD
576Expected 13/08/2026
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