7490100110A 1500Vrms 10/100 Base-TX SMT Transformer Auto MDIX Capable
7490100110A SMT Ethernet Transformer Quick Overview
The 7490100110A LAN transformer is a single-port 10/100BASE-TX LAN magnetics module designed for Ethernet networking equipment. It features 350 µH minimum inductance, 1500 V RMS isolation voltage, and a 1:1 turns ratio (±3%), ensuring stable signal transmission and reliable electrical isolation.
The transformer supports 10/100 Mbps Ethernet data rates, operates within a 0 °C to +70 °C temperature range, and is built in a compact SMT package for high-density PCB designs. With low insertion loss (-1.1 dB max), optimized return loss, and strong differential-to-common-mode rejection, the 7490100110A is suitable for Ethernet switches, routers, industrial networking equipment, and embedded LAN interfaces.
Key Benefits:
This 7490100110A ensures excellent signal integrity, EMI suppression, and reliable data transmission for 10/100 Ethernet applications. It is optimized for compact PCB layouts, suitable for switches, routers, and industrial networking devices.
Electrical Specifications
| Property | Test Conditions | Value | Unit | Tolerance |
|---|---|---|---|---|
| Inductance (L) | 100 kHz / 100 mV @ 8 mA DC bias | 350 | µH | min. |
| Insulation Test Voltage (VT) | 1 min | 1500 | V (RMS) | min. |
| Insertion Loss (IL) | 1-100 MHz | -1.1 | dB | max. |
| Return Loss (RL) | 1-30 MHz @ 100 Ω | -18 | dB | min. |
| 30-60 MHz @ 100 Ω | -14 | dB | min. | |
| 60-80 MHz @ 100 Ω | -12 | dB | min. | |
| 80-100 MHz @ 100 Ω | -10 | dB | min. | |
| Differential to Common Mode Rejection Ratio (DCMR) | 1-30 MHz | -38 | dB | min. |
| 30-60 MHz | -38 | dB | min. | |
| 60-100 MHz | -30 | dB | min. | |
| Crosstalk (CT) | 1-60 MHz | -40 | dB | min. |
| 60-100 MHz | -35 | dB | min. | |
| Turns Ratio (n) | — | 1:1 | — | ±3% |
| Data Rate | — | 10/100BASE-TX | — | — |
7490100110A LAN Transformer Drawing
Features & Applications of 7490100110A SMT Transformer
Features:
- Compact SMT package for dense PCB designs
- High isolation voltage for safe operation in industrial networks
- Optimized insertion loss and return loss for signal integrity
- Excellent DCMR and crosstalk suppression
Applications:
- Ethernet switches and routers
- Industrial automation controllers
- Network interface cards (NICs)
- IoT and smart devices
- Telecommunications equipment
Why Choose 7490100110A?
By selecting the 7490100110A LAN Transformer, engineers benefit from:
- Reliable 10/100 Ethernet signal transmission
- Superior EMI suppression
- Compliance with industrial-grade isolation standards
- Easy SMT PCB integration for high-density designs
This transformer is ideal for applications requiring consistent performance, compact size, and robust network isolation.
Upgrade your Ethernet designs today – Visit LINK-PP LAN Magnetics for LAN Transformer and related network magnetics.
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