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Phone: 86-29-88685333
Mobile: 86-13620067891
E-mail: fks@fks-coils.com
Add:C2 Building, Western Cloud Valley, Fengxi New Town, Xixian New Area, Xi'an City, Shaanxi Province, China
Mobile: 86-13620067891
E-mail: fks@fks-coils.com
Add:C2 Building, Western Cloud Valley, Fengxi New Town, Xixian New Area, Xi'an City, Shaanxi Province, China
LAN LAN Transformer

LAN LAN Transformer Description:
FKS-LAN Transformers are fully compliant with IEEE standards and designed with a robust internal layout for a long life. These SMT transformers feature extended temperature ranges up to +125°C and are compatible with Industrial Ethernet systems like EtherCAT or Profinet. FKS-LAN Transformers are suited for most IC’s for Ethernet applications such as Microchip, Texas Instruments, Broadcom, Linear Technology.
Robust internal layout for a long life
Power over Ethernet up to 150 Watts and speeds up to 1 Gbit/s
Available in SMT
Compliant with standards: IEEE 802.3u, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3at and upcoming IEEE 802.3bt
Order Code | Data rate | Ports | PoE illustrate | Improved CMRR | Operating Temperature | VT (V(RMS)) |
Mount | L (μH) |
Design Kit |
FKS749080010 | 2.5/5G Base-T | 1 | non-PoE | No | -40 °C up to +85 °C | 1500 | SMT | 200 | – |
FKS749082010 | 2.5/5G Base-T | 1 | 4PPoE (up to 1500 mA) | No | -40 °C up to +85 °C | 1500 | SMT | 120 | – |
FKS7490100110A | 10/100BASE-TX | 1 | non-PoE | No | 0 °C up to +70 °C | 1500 | SMT | 350 | – |
FKS7490100111A | 10/100BASE-TX | 1 | non-PoE | No | -40 °C up to +105 °C | 1500 | SMT | 350 | 749010 |
FKS749013011A | 10/100BASE-TX | 1 | PoE (up to 350 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
FKS7490100161A | 10/100BASE-TX | 1 | non-PoE | No | -40 °C up to +125 °C | 1500 | SMT | 350 | 749010 |
FKS7490120110 | 10/100BASE-T | 1 | PoE+ (up to 720 mA) | No | -40 °C up to +85 °C | 1500 | SMT | 120 | 749010 |
749615 | |||||||||
FKS749010012A | 10/100BASE-TX | 1 | non-PoE | No | 0 °C up to +70 °C | 1500 | SMT | 350 | – |
FKS7490140122B | 10/100BASE-T | 1 | non-PoE | No | -40 °C up to +85 °C | 4500 | SMT | 350 | – |
FKS7490140123B | 10/100BASE-T | 1 | PoE (up to 350 mA) | No | -40 °C up to +85 °C | 4500 | SMT | 350 | – |
FKS749024015C | 10/100/1000BASE-T | 1 | non-PoE | No | -40 °C up to +85 °C | 1500 | SMT | 350 | – |
FKS7490140117C | 10/100 Base-T | 1 | non-PoE | No | -40 °C up to +105 °C | 2500 | SMT | 350 | – |
FKS7490140142 | 10/100BASE-T | 1 | PoE (up to 350 mA) | No | -40 °C up to +85 °C | 4000 | SMT | 350 | – |
FKS7490140125 | 10/100BASE-T | 1 | non-PoE | No | -40 °C up to +85 °C | 1500 | SMT | 350 | – |
FKS7490140124 | 10/100BASE-T | 1 | non-PoE | No | -40 °C up to +85 °C | 1500 | SMT | 350 | – |
FKS7490140141 | 10/100BASE-T | 1 | PoE (up to 350 mA) | No | -40 °C up to +85 °C | 4000 | SMT | 350 | – |
FKS7490140123 | 10/100BASE-T | 1 | non-PoE | No | -40 °C up to +85 °C | 1500 | SMT | 350 | – |
FKS7490140140 | 10/100BASE-T | 1 | PoE (up to 350 mA) | No | -40 °C up to +85 °C | 4000 | SMT | 350 | – |
FKS749023113C | 10/100/1000 Base-T | 1 | PoE (up to 350 mA) | No | -40 °C up to +85 °C | 1500 | SMT | 350 | – |
FKS749020112B | 10/100/1000BASE-T | 1 | non-PoE | No | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
FKS749020010A | 1000 Base-T | 1 | non-PoE | No | -40 °C up to +85 °C | 1500 | SMT | 350 | 749010 |
FKS749020011A | 1000 Base-T | 1 | non-PoE | Yes | -40 °C up to +85 °C | 1500 | SMT | 350 | 749010 |
FKS749020111A | 1000 Base-T | 1 | non-PoE | No | 0 °C up to +70 °C | 1500 | SMT | 350 | 749615 |
FKS749023010A | 1000 Base-T | 1 | PoE (up to 350 mA) | No | 0 °C up to +70 °C | 1500 | SMT | 350 | 749615 |
FKS7490220120 | 1000 Base-T | 1 | 4PPoE (up to 350 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
FKS7490220121 | 1000 Base-T | 1 | 4PPoE (up to 600 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
FKS7490220122 | 1000 Base-T | 1 | 4PPoE (up to 1000 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
FKS7490220123 | 1000 Base-T | 1 | 4PPoE (up to 1500 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 180 | – |
FKS749020100A | 1000 Base-T | 0.5 | non-PoE | No | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
FKS749020022A | 1000 Base-T | 2 | non-PoE | No | -40 °C up to +85 °C | 1500 | SMT | 350 | – |
FKS7490220115 | 1000 Base-T | 1 | 4PPoE (up to 800 mA) | No | -40 °C up to +85 °C | 1500 | SMT | 350 | – |
FKS7490240120 | 1000 Base-T | 1 | 4PPoE (up to 350 mA) | No | -40 °C up to +105 °C | 4000 | SMT | 350 | – |
FKS749020023A | 1000BASE-T | 1 | non-PoE | No | -40 °C up to +85 °C | 1500 | SMT | 350 | – |
FKS7490240121 | 1000 Base-T | 1 | non-PoE | No | -40 °C up to +85 °C | 1500 | SMT | 350 | – |
FKS7490240141 | 1000 Base-T | 1 | 4PPoE (up to 350 mA) | No | -40 °C up to +85 °C | 4000 | SMT | 350 | – |
FKS7490240140 | 1000 Base-T | 1 | 4PPoE (up to 350 mA) | No | -40 °C up to +85 °C | 4000 | SMT | 350 | – |
FKS7490240142 | 1000 Base-T | 1 | non-PoE | No | -40 °C up to +85 °C | 4000 | SMT | 350 | – |


