PoE - Power over Ethernet Applications & Solutions

TDK PoE - Power over Ethernet Applications and Solutions feature TDK's expanded line of ALT series SMD pulse transformers to be used in combination with ACM and MCZ series common-mode filters. These are used in various PoE applications that are compatible with 1G/2.5G/5G/10GBASE-T, 10/100/1000BASE-T, and PoE+ (600mA) standards. PoE is a technology that allows electrical power and data transmission to be carried simultaneously through a single cable versus through a separate power cord and network cable. PoE reduces the number of cables and wires necessary for installation and allows for design flexibility, as device placement no longer relies on the availability of an electrical outlet. PoE is capable of supporting higher transmission speeds while still providing outstanding reliability and meeting compact design targets. TDK PoE - Power over Ethernet Applications and Solutions allow for greater scalability as the number of connected devices and LAN interfaces on each device continues to grow and more electronic components are used in servers and routers, as well as in other network and communication devices. 

Results: 17
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 Length Width Height Series Packaging
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT 397In Stock
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 350 uH 0 C + 70 C Dual 13.64 mm 11.94 mm 6.22 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT 12,091In Stock
Min.: 1
Mult.: 1
: 500

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Single 12.7 mm 7.11 mm 5.6 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT 647In Stock
2,000Expected 2026/11/10
Min.: 1
Mult.: 1
: 400

LAN Transformers Module SMD/SMT 100 kHz 350 uH 1 Ohms - 40 C + 85 C Single 13.8 mm 15.2 mm 5.72 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT 2,260In Stock
4,500Expected 2026/09/17
Min.: 1
Mult.: 1
: 500

LAN Transformers Module SMD/SMT 100 kHz 350 uH 1 Ohms 1 Ohms - 40 C + 85 C Single 12.7 mm 6.9 mm 5.6 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT POE 1,528In Stock
1,000Expected 2026/09/01
Min.: 1
Mult.: 1
: 500

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 12.7 mm 6.9 mm 5.6 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT 694In Stock
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Single 17.6 mm 12.1 mm 5.8 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT 2,131In Stock
1,750Expected 2026/10/01
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C Single 17.6 mm 12.1 mm 5.8 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT 465In Stock
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 350 uH - 40 C + 85 C Dual 27.69 mm 7.29 mm 8.41 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT 275In Stock
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Single 17.6 mm 12.1 mm 5.8 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT POE Lead-Time 12 Weeks
Min.: 1
Mult.: 1
: 300

LAN Transformers Module SMD/SMT 350 uH 0 C + 70 C Dual 27.81 mm 12.19 mm 7.24 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT POE Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
: 500

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Single 28.1 mm 11.9 mm 5.5 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 2-PORT POE Non-Stocked Lead-Time 12 Weeks
Min.: 400
Mult.: 400
: 400

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Dual 12.7 mm 6.9 mm 5.6 mm B78476A Reel
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
: 400

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Single 25.4 mm 13.1 mm 6.1 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT Non-Stocked Lead-Time 12 Weeks
Min.: 2,000
Mult.: 2,000
: 400

LAN Transformers Module SMD/SMT 350 uH 0 C + 70 C Single 14.81 mm 11.7 mm 5.15 mm B78476A Reel
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT POE Non-Stocked Lead-Time 12 Weeks
Min.: 300
Mult.: 300
: 300

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Quad 27.81 mm 12.19 mm 7.24 mm B78476A Reel
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 350 uH 0 C + 70 C Single 17.6 mm 12.1 mm 5.7 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT POE Non-Stocked Lead-Time 12 Weeks
Min.: 350
Mult.: 350
: 350

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Single 17.6 mm 12.1 mm 5.7 mm B78476A Reel