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WURTH ELEKTRONIK 7499010121A LAN Transformer

The WURTH ELEKTRONIK 7499010121A LAN transformer is a critical component in network communication systems, specifically designed for 10/100Base-TX applications. It provides a 1:1 turns ratio, ensuring impedance matching and efficient signal transfer. Constructed with ferrite core and thermoplastic UL-94V0 housing, this transformer offers robust performance and reliability. It is compliant with IEEE 802.3u standards and suitable for a wide range of networking equipment, including routers, switches, and network interface cards. The transformer's specifications include a DC-Bias OCL of 350 µH min, insertion loss of -1.0 dB max, and common-mode rejection of -30 dB min, ensuring minimal signal degradation and interference. It is packaged in tubes of 30 pieces, with cartons containing 1440 pieces.

Authorized Distributors
Source:Newark
Part No:7499010121A
Stock:309
Inv Date:06-12-2026
Price: Unit price: $7.74
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Source:DigiKey
Part No:7499010121A
Stock:0
Inv Date:06-12-2026
Price: Unit price: $6.37
Buy/RFQ:
Part No:7499010121A
Stock:1108
Inv Date:06-12-2026
Price: Unit price: $6.7
Buy/RFQ:

WURTH ELEKTRONIK 7499010121A LAN Transformer Specifications:

  • Inductance: 100kHz / 100mV @ 8mA
  • DC-Bias OCL: 350 µH min
  • Turns Ratio: 1 : 1 Tx
  • Insertion Loss: -1.0 dB max (1-100MHz)
  • Return Loss: dB min
  • Common Mode Rejection: -30 dB min (1-100MHz)
  • Crosstalk: -30 dB min (1-100MHz)
  • Hipot Test: 1500Vrms 1min
  • Operating Temperature: 0°C - +70°C
  • Base Material: Ferrite
  • Wire: 1,8-2,8 V/ 20mA
  • Housing: Thermoplastic UL-94V0
  • Contact Plating: 50µ" nickel over 0.01" cooper alloy
  • Wire Type: 4UEW 155°C
  • Contact Area Plating: 100% tin w. nickel underplating
  • Contact Area Plating Thickness: 30µ" gold plating

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You can download the 7499010121A datasheet or visit the WURTH ELEKTRONIK website for support.

Who is the manufacturer of 7499010121A?

WURTH ELEKTRONIK

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