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WURTH ELEKTRONIK 749010012A Ethernet Transformer

The LAN-Transformer WE-LAN by WURTH ELEKTRONIK is a high-quality electronic component designed for reliable data transmission in networking applications. It features a compact, durable ferrite core with precise electrical parameters, including inductance of at least 350 uH and a turns ratio of 1:1 for effective signal isolation. Suitable for 10/100 Base-TX Ethernet networks, it supports IEEE 802.3u standards, ensuring compatibility with modern industrial and office network infrastructure. Its robust construction and excellent electrical characteristics make it ideal for high-performance and safety-critical environments.

Authorized Distributors
Source:Newark
Part No:749010012A
Stock:218
Inv Date:06-11-2026
Price: Unit price: $4.22
Buy/RFQ:
Source:DigiKey
Part No:749010012A
Stock:927
Inv Date:06-11-2026
Price: Unit price: $2.20602
Buy/RFQ:
Part No:749010012A
Stock:975
Inv Date:06-12-2026
Price: Unit price: $3.92
Buy/RFQ:

WURTH ELEKTRONIK 749010012A Ethernet Transformer Specifications:

  • Dimensions: Length 12.70 ± 0.25 mm, Width 6.35 mm max, Height 9.40 ± 0.25 mm, Depth 8.80 ± 0.25 mm
  • Base Material: Ferrite, operating temperature: 0°C to +70°C
  • Inductance: ≥350 μH min at 100 kHz / 100 mV
  • Turns Ratio: 1:1 with less than 3% deviation
  • Insertion Loss: max. 0.36 dB at 40 MHz, 0.16 dB at 30 MHz
  • Return Loss: ≥3 dB at 50 MHz, ≥10 dB at 60–80 MHz
  • Differential and Common Mode Rejection: -38 dB at 30 MHz, -40 dB at 60 MHz
  • Crosstalk: ≥33 dB at 700 MHz
  • Electrical Properties Test Conditions: 33% humidity, +25°C ambient temperature
  • Soldering: AUEW 155°C, HIPOT test 1500 Vrms for 1 min
  • Material & Certification: Copper-Nickel-Tin contact plating, UL94-V0 flammability

Buy the WURTH ELEKTRONIK 749010012A – Reliable Ethernet Transformer for Industrial Applications

Discover the high-performance Ethernet Transformer designed for reliable data transmission in industrial and network environments. The WURTH ELEKTRONIK LAN-Transformer supports IEEE 802.3u 10/100Base-TX standards, guaranteeing compatibility and excellent electrical characteristics like low insertion loss, high immunity to crosstalk, and robust construction. Its compact size, durable ferrite core, and compliance with safety standards make it ideal for critical application environments demanding high reliability. Purchase online today and enhance your network infrastructure with this dependable component.

Buy WURTH ELEKTRONIK 749010012A LAN-Transformer now and ensure high-performance, compliant networking solutions for industrial and professional networking needs.

Frequently Asked Questions

Where can I buy WURTH ELEKTRONIK 749010012A?

You can click on the BUY or RFQ button to purchase 749010012A from an authorized WURTH ELEKTRONIK distributor.

How do I troubleshoot issues or seek technical support for part 749010012A?

You can download the 749010012A datasheet or visit the WURTH ELEKTRONIK website for support.

Who is the manufacturer of 749010012A?

WURTH ELEKTRONIK

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