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WURTH ELEKTRONIK 7499111121A LAN Transformer

The Wurth Elektronik WE-RJ45LAN 7499111121A is a high-performance LAN transformer specifically engineered for 10/100/1000 BaseT network applications. It provides excellent signal isolation and impedance matching, ensuring reliable data transmission. Constructed with ferrite and featuring gold-plated contacts, this transformer is designed for durability and optimal performance in a variety of network infrastructure and communication systems. Compliant with IEEE 802.3ab standards, it is suitable for a wide range of applications requiring robust and dependable LAN connectivity.

Authorized Distributors
Source:DigiKey
Part No:7499111121A
Stock:1197
Inv Date:06-12-2026
Price: Unit price: $8.69
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Part No:7499111121A
Stock:745
Inv Date:06-12-2026
Price: Unit price: $9.14
Buy/RFQ:
Part No:7499111121A
Stock:0
Inv Date:06-12-2026
Price: Unit price: $5.2
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WURTH ELEKTRONIK 7499111121A LAN Transformer Specifications:

  • Inductance: 350 µH (min.) @ 100kHz / 100mV @ 8mA DC-Bias
  • Turns Ratio: 1 : 1 (3%) @ 100kHz / 100mV
  • Insertion Loss: -1.1 dB (max.) @ 1-100MHz
  • Return Loss: -16 dB (min.) @ 1-30MHz @ 100Ω
  • Cross Talk: -35 dB (min.) @ 1-100MHz
  • Common Mode Rejection: -35 dB (min.) @ 60-100MHz
  • Operating Temperature: 0°C - +70°C
  • Hipot Test Voltage: 1500Vrms 1min
  • Contact Plating: 30µ" gold plating on contact area
  • Package Quantity: 29pcs (tube), 1740pcs (carton)
  • Material: Ferrite
  • Wire: 4UEW 180°C
  • Housing: Thermoplastic UL-94V0
  • Shield: 50µ" nickel over 0.01" cooper alloy

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You can click on the BUY or RFQ button to purchase 7499111121A from an authorized WURTH ELEKTRONIK distributor.

How do I troubleshoot issues or seek technical support for part 7499111121A?

You can download the 7499111121A datasheet or visit the WURTH ELEKTRONIK website for support.

Who is the manufacturer of 7499111121A?

WURTH ELEKTRONIK

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