Product Details
Place of Origin: CHINA
Brand Name: LINK-PP
Certification: RoHS compliant
Model Number: 7498111001A
Payment & Shipping Terms
Minimum Order Quantity: 1pcs,Free samples
Price: $0.21 - $0.7
Packaging Details: Tray
Delivery Time: About 3 Days
Payment Terms: TT, NET30/60/90 Days, Western Union
Supply Ability: 20K Pieces per Week
Part Number: |
7498111001A RJ45 LAN Transformer |
OCL: |
350 µH Min |
Turns Ratio: |
1:1 (Tx), 1:1 (Rx) |
Insertion Loss: |
-1.0 DB Max. |
Base Material: |
Ferrite |
Contact Plating: |
100% Tin With Nickel |
Contact Area: |
15µ" Gold Plating |
Housing: |
Thermoplastic |
Shield: |
50µ" Nickel Over 0.008" Copper Alloy |
UL 94V-0: |
Housing Support |
Part Number: |
7498111001A RJ45 LAN Transformer |
OCL: |
350 µH Min |
Turns Ratio: |
1:1 (Tx), 1:1 (Rx) |
Insertion Loss: |
-1.0 DB Max. |
Base Material: |
Ferrite |
Contact Plating: |
100% Tin With Nickel |
Contact Area: |
15µ" Gold Plating |
Housing: |
Thermoplastic |
Shield: |
50µ" Nickel Over 0.008" Copper Alloy |
UL 94V-0: |
Housing Support |
| Parameter | Value |
|---|---|
| Part Number | 7498111001A |
| Type | 1000BASE-T MagJack |
| Description | 1000Base-T RJ45 Connector with Integrated Transformer |
| PoE Support | No |
| Ports | 1 |
| Tab Direction | Up |
| LED | No LED |
| Auto MDIX | Yes |
| Operating Temp. | -40 °C to +85 °C |
| Application |
IEEE 802.3ab Compliant for 1000Base-T |
| Parameter | Specification |
|---|---|
| Inductance (OCL) | 350 µH min @ 100 kHz, 100 mV, 8 mA DC Bias |
| Turns Ratio (TR) | 1:1 (TX), 1:1 (RX) @ 100 kHz / 100 mV |
| Insertion Loss (IL) | -1.0 dB max (1–100 MHz) |
| Return Loss (RL) | -18 dB min (1–30 MHz) -15 dB min (30–60 MHz) -12 dB min (60–80 MHz) -10 dB min (80–100 MHz) |
| Common Mode Rejection (CMR) | -35 dB min (1–30 MHz) -30 dB min (30–100 MHz) |
| Crosstalk (CT) | -37 dB min (1–30 MHz) -32 dB min (30–60 MHz) -27 dB min (60–100 MHz) |
| Hi-Pot Test Voltage | 1500 Vrms, 1 min |
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The 7498111001A LAN transformer is designed for Gigabit Ethernet (1000BASE-T) networking interfaces. It provides signal isolation, impedance matching, and noise suppression between the Ethernet PHY and the RJ45 connector, ensuring reliable high-speed data transmission in network equipment.
Typical applications include Ethernet switches, routers, network interface cards (NICs), industrial Ethernet devices, and embedded networking systems.
The 7498111001A is designed for 1000BASE-T Gigabit Ethernet, supporting 1 Gbps data transmission over twisted-pair copper cables such as Cat5e or Cat6.
This standard is widely used in data centers, enterprise networks, and industrial Ethernet devices.
A LAN transformer (Ethernet magnetics) performs several important functions in Ethernet interfaces:
These functions help ensure stable and standards-compliant Ethernet communication.
Yes. The 7498111001A LAN transformer is designed to work with Gigabit Ethernet PHY transceivers that support 1000BASE-T. It can be integrated into Ethernet interface designs where magnetics are required between the PHY and the RJ45 connector.
Engineers should verify impedance, turns ratio, and layout guidelines to ensure optimal compatibility.
The 7498111001A WE-RJ45LAN transformer is commonly used in:
Its compact design makes it suitable for high-density networking hardware.
A LAN transformer improves signal quality by:
These features are essential for maintaining reliable Gigabit Ethernet communication over copper cables.
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