Wurth Elektronik PCB LAN Ethernet Transformer, 85 °C 16.2 mm, -40 °C 13.5mm
- RS stock no.:
- 134-9188
- Mfr. Part No.:
- 74990101212
- Manufacturer:
- Wurth Elektronik
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View bulk pricing optionsSubtotal (1 tube of 30 units)*
R 3 453,66
(exc. VAT)
R 3 971,70
(inc. VAT)
FREE delivery for orders over R 1,500.00
Temporarily out of stock
- 60 unit(s) shipping from 09 November 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Tube* |
|---|---|---|
| 30 - 60 | R 115.122 | R 3,453.66 |
| 90 + | R 112.244 | R 3,367.32 |
*price indicative
- RS stock no.:
- 134-9188
- Mfr. Part No.:
- 74990101212
- Manufacturer:
- Wurth Elektronik
Specification
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Wurth Elektronik | |
| Product Type | LAN Ethernet Transformer | |
| Number of Outputs | 1 | |
| Insertion Loss | -1dB | |
| Mount Type | PCB | |
| Length | 16.2mm | |
| Inductance | 350μH | |
| Width | 13.5mm | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 85°C | |
| Maximum Operating Frequency | 100MHz | |
| Termination Type | Solder | |
| Standards/Approvals | IEEE 802.3u | |
| Turns Ratio | 1:1 | |
| Minimum Operating Frequency | 1MHz | |
| Select all | ||
|---|---|---|
Brand Wurth Elektronik | ||
Product Type LAN Ethernet Transformer | ||
Number of Outputs 1 | ||
Insertion Loss -1dB | ||
Mount Type PCB | ||
Length 16.2mm | ||
Inductance 350μH | ||
Width 13.5mm | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 85°C | ||
Maximum Operating Frequency 100MHz | ||
Termination Type Solder | ||
Standards/Approvals IEEE 802.3u | ||
Turns Ratio 1:1 | ||
Minimum Operating Frequency 1MHz | ||
- COO (Country of Origin):
- CN
Wurth Elektronik LAN Ethernet Transformer, 350μH Inductance, 1:1 Turns Ratio - 74990101212
This LAN Ethernet Transformer provides magnetic isolation and signal conditioning for network interfaces on PCB‑mounted designs. It operates across a wide high‑frequency range suitable for IEEE 802.3u environments, offering a single‑output configuration and solder termination for straightforward assembly. The component is intended for applications requiring controlled insertion loss and robust temperature tolerance.
Features and Benefits:
• 1MHz to 100MHz frequency range supports high‑frequency Ethernet signalling
• -1dB insertion loss preserves signal integrity during transmission
• 350 μH inductance reduces common‑mode noise for cleaner links
• 1:1 turns ratio maintains balanced transmission for differential pairs
• Solder termination enables reliable PCB connection under vibration
• -1dB insertion loss preserves signal integrity during transmission
• 350 μH inductance reduces common‑mode noise for cleaner links
• 1:1 turns ratio maintains balanced transmission for differential pairs
• Solder termination enables reliable PCB connection under vibration
Applications
• Suitable for integration into switch and router PHY interfaces
• Used with magnetics modules in Ethernet port designs
• Ideal for board‑level isolation in industrial Ethernet equipment
• Can be used for retrofit of 100BASE‑TX network interfaces
• Used with magnetics modules in Ethernet port designs
• Ideal for board‑level isolation in industrial Ethernet equipment
• Can be used for retrofit of 100BASE‑TX network interfaces
What operating temperature limits apply to this component?
It is rated to function from -40°C up to 85°C.
How is the part terminated for PCB mounting?
It uses solder termination designed for direct PCB attachment.
What standards environment is this intended for?
It is suitable for applications conforming to IEEE 802.3u signalling.
How many outputs does the transformer provide?
The device offers a single‑output configuration.
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