Product Details
Place of Origin: Guangdong,China
Brand Name: LINK-PP
Certification: UL,RoHS,Reach,ISO
Model Number: 7490100111A
Payment & Shipping Terms
Minimum Order Quantity: 400/2000/10K/25K
Price: $0.06-$3.2
Packaging Details: T&R
Delivery Time: Stock
Payment Terms: TT,NET30/60/90 Days
Supply Ability: 3KK/Month
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 |
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 |
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.
