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Wurth Elektronik Surface Mount LAN Ethernet Transformer, 1 Output, 120μH Inductance, 1:1 Turns Ratio, 12.7 mm 7490120110
Specifications
| Country of Origin | China |
|---|---|
| Brand | Wurth Elektronik |
| Length | 12.7mm |
| Width | 9.27mm |
| Mount Type | Surface |
| Series | WE-LAN |
| Termination Type | Solder |
| Maximum Operating Temperature | 85°C |
| Minimum Operating Temperature | -40°C |
| Interfaces | LAN front‑ends Suitable for surface‑mount manufacturable Ethernet interfaces |
| Number of outputs | 1 |
| Inductance | 120μH |
| Standards/Approvals | UL94-V0, IEEE 802.3at |
| Insertion Loss | -1.0dB |
| Minimum Operating Frequency | 1MHz |
| Maximum Operating Frequency | 100MHz |
| Turns Ratio | 1:1 |
| Turns Ratio1 | 1 |
| Supported Ethernet Standards | 10/100 Base-T |
| Wurth Elektronik WE-LAN Series LAN Ethernet Transformer, 120μH Inductance, 1 | 1 Turns Ratio - 7490120110 |
Key Features
- Designed for 10/100 Base-T networks supporting high-speed data transmission.
- Galvanic isolation with 1500 Vrms protects against ground potential differences.
- Operates reliably between -40°C and 85°C for industrial environments.
- Insertion loss of -1.0dB ensures minimal signal degradation.
- Solder termination supports robust and automated PCB assembly.
- Meets UL94-V0 flammability and IEEE 802.3at Power over Ethernet standards.
- Ideal for industrial switches and Ethernet front-end isolation.
Product Description
Wurth Elektronik 7490120110 Surface Mount LAN Ethernet Transformer is a high-performance component designed to provide galvanic isolation and signal coupling within 10/100 Base-T network applications. It features 120μH inductance and a 1:1 turns ratio to preserve balanced line signal amplitude, enabling clear data communication.
Engineered for surface-mount technology, this transformer measures 12.7 mm in length and 9.27 mm in width, making it suitable for compact PCB layouts. Its solder termination facilitates durable and precise automated assembly processes.
The device supports a wide operating temperature range from -40°C to 85°C, ensuring reliable functionality in harsh industrial and commercial environments. With an insertion loss of -1.0dB, it maintains signal integrity across frequencies ranging from 1 MHz to 100 MHz, accommodating standard Ethernet signaling requirements.
Wurth Elektronik’s LAN Ethernet Transformer complies with stringent safety and performance standards, including UL94-V0 flammability rating and IEEE 802.3at for Power over Ethernet, making it a trusted choice for network equipment manufacturers.
Provides 120μH inductance to reduce common-mode noise for clearer signals. 1:1 turns ratio maintains signal amplitude for balanced Ethernet lines. Galvanic isolation rated at 1500 Vrms protects network integrity. Low insertion loss (-1.0dB) preserves signal fidelity across bandwidth.
Solder termination suits automated surface-mount assembly processes. Compact 12.7 mm length and 9.27 mm width form factor optimizes PCB space. Certified UL94-V0 and meets IEEE 802.3at for standard compliance. Ideal for industrial switches and PoE solutions under harsh conditions.
Applications include integration into 10/100 Base-T ports, Power over Ethernet networks, industrial communications hardware, and board-level signal isolation in Ethernet front-ends. This transformer is an essential component for reliable, efficient, and compliant Ethernet interface design across diverse electronics sectors.
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Frequently Asked Questions
The transformer has an inductance of 120μH, which helps reduce common-mode noise for clearer signals.
It measures 12.7 mm in length and 9.27 mm in width, making it suitable for compact PCB layouts.
This model operates reliably between -40°C and 85°C, suitable for harsh industrial environments.
The insertion loss is -1.0dB, ensuring minimal signal degradation across its operating frequency range.
It supports 10/100 Base-T Ethernet standards, making it suitable for standard network applications.
The transformer features solder termination, which supports robust and automated PCB assembly processes.
It has a 1:1 turns ratio, which helps maintain signal amplitude for balanced Ethernet lines.
The maximum operating frequency is 100MHz, accommodating standard Ethernet signaling requirements.
It meets UL94-V0 flammability standards and IEEE 802.3at for Power over Ethernet compliance.
This model is designed for surface mount technology, making it suitable for compact electronic designs.
It is ideal for integration into 10/100 Base-T ports, Power over Ethernet networks, and industrial communications hardware.
The minimum operating frequency is 1MHz, which is necessary for effective data transmission in Ethernet applications.
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