LINK-PP INT'L TECHNOLOGY CO., LIMITED
| Payment Terms | TT,NET30/60/90 Days |
| Supply Ability | 3KK/Month |
| Delivery Time | Stock |
| Packaging Details | T&R |
| Part Number | 7490100111A |
| Equivalent | LP1188NL |
| Turn Ratio | 1:1 |
| Mounting | SMT |
| Data rate | 10/100BASE-TX |
| Ports | 1 |
| PoE | non-PoE |
| Operating Temperature | -40 °C up to +105 °C |
| Insulation Voltage | 1500Vrms |
| Inductance | 350µH |
| Brand Name | LINK-PP |
| Model Number | 7490100111A |
| Certification | UL,RoHS,Reach,ISO |
| Place of Origin | Guangdong,China |
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Product Specification
| Payment Terms | TT,NET30/60/90 Days | Supply Ability | 3KK/Month |
| Delivery Time | Stock | Packaging Details | T&R |
| Part Number | 7490100111A | Equivalent | LP1188NL |
| Turn Ratio | 1:1 | Mounting | SMT |
| Data rate | 10/100BASE-TX | Ports | 1 |
| PoE | non-PoE | Operating Temperature | -40 °C up to +105 °C |
| Insulation Voltage | 1500Vrms | Inductance | 350µH |
| Brand Name | LINK-PP | Model Number | 7490100111A |
| Certification | UL,RoHS,Reach,ISO | Place of Origin | Guangdong,China |
| High Light | 7490100111A ，SMT Ethernet transformer ，10/100BASE-TX LAN Transformer | ||
The 7490100111A is a 10/100Base-T SMT Ethernet LAN transformer featuring 1:1 turns ratio, 350 µH OCL, 1500 V isolation, and –40 °C to +105 °C operation. It is ideal for industrial Ethernet and embedded networking applications.
7490100111A is a compact 10/100Base-T surface-mount Ethernet LAN transformer from Würth Elektronik, designed to meet the electrical and isolation requirements of IEEE 802.3u networks.
It provides excellent signal integrity, high common-mode noise suppression, and reliable galvanic isolation for Fast Ethernet applications.
This model is widely used in industrial Ethernet devices, network interface cards (NICs), embedded controllers, IP cameras, and communication equipment where stable 10/100Base-TX performance is required.
| Parameter | Specification |
|---|---|
| Ethernet Standard | IEEE 802.3u (10/100Base-TX) |
| Turns Ratio | 1:1 ±3% |
| Open Circuit Inductance (OCL) | ≥ 350 µH @ 100 kHz, 100 mV, 8 mA DC bias |
| Isolation Voltage | 1500 V RMS (1 minute) |
| Insertion Loss | ≤ –1.1 dB (1–100 MHz) |
| Return Loss | –18 dB min (1–30 MHz) |
| –14 dB min (30–60 MHz) | |
| –10 dB min (80–100 MHz) | |
| DCMR | –38 dB (1–60 MHz), –30 dB (60–100 MHz) |
| Crosstalk | –40 dB (1–60 MHz), –35 dB (60–100 MHz) |
| Item | Specification |
|---|---|
| Mounting Type | Surface Mount (SMT) |
| Number of Channels | Single |
| Operating Temperature | –40 °C to +105 °C |
| Storage Conditions | < 40 °C, < 75% RH |
| Moisture Sensitivity Level | MSL 1 |
| Compliance | RoHS |
Compared with generic LAN transformers, 7490100111A offers a balanced combination of:
These characteristics make it a preferred choice for designers seeking long-term reliability and signal integrity in 10/100Base-T applications.
Looking for a reliable alternative or compatible Ethernet transformer to 7490100111A?
Contact us for technical support, cross-reference options, samples, and volume pricing.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Total Annual:
$30-$50 million
Employee Number:
300~600
Ecer Certification：
Verified Supplier
LINK-PP International Technology Co., Limited, founded in 1997, is a vertically integrated manufacturer specializing in Ethernet magnetic components and high-speed connectivity solutions up to 10G. With over 26 years of experience, our core products include RJ45 modular jacks, MagJacks, discrete m... LINK-PP International Technology Co., Limited, founded in 1997, is a vertically integrated manufacturer specializing in Ethernet magnetic components and high-speed connectivity solutions up to 10G. With over 26 years of experience, our core products include RJ45 modular jacks, MagJacks, discrete m...
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