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Home > Products > Magnetic RJ45 Jack > 7498111001A 1000-BASE-T RJ45 Connector with LAN Transformer

7498111001A 1000-BASE-T RJ45 Connector with LAN Transformer

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

Get Best Price
Highlight:

7498111001A

,

1000BASE-T Magjack

,

RJ45 Connector with Transformer

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
7498111001A 1000-BASE-T RJ45 Connector with LAN Transformer

 

7498111001A Magjack Specification:

 
 

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

 


 

Electrical Specifications (@25°C)

 

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

 


 

7498111001A​ Datasheet


1. 7498111001A​ Datasheet - Dimensions

 
7498111001A 1000-BASE-T RJ45 Connector with LAN Transformer 0

 

2. 7498111001A​ Datasheet - Schematics

 
7498111001A 1000-BASE-T RJ45 Connector with LAN Transformer 1
 

3. 7498111001A​ Datasheet - Soldering Spec.

 

 

7498111001A 1000-BASE-T RJ45 Connector with LAN Transformer 2
 


 

FAQs About 7498111001A LAN Transformer

 

1. What is the 7498111001A LAN transformer used for?

 

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.

 

2. What Ethernet standard does the 7498111001A support?

 

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.

 

3. What is the role of a LAN transformer in Ethernet circuits?

 

A LAN transformer (Ethernet magnetics) performs several important functions in Ethernet interfaces:

 

  • Electrical isolation between network equipment and the cable
  • Impedance matching for optimal signal integrity
  • Common-mode noise suppression to reduce EMI
  • Signal coupling between the PHY and the RJ45 port

 

These functions help ensure stable and standards-compliant Ethernet communication.

 

4. Is the 7498111001A compatible with Gigabit Ethernet PHY chips?

 

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.

 

5. What are typical applications of the 7498111001A?

 

The 7498111001A WE-RJ45LAN transformer is commonly used in:

 

  • Gigabit Ethernet switches
  • Broadband routers and gateways
  • Network interface cards (NICs)
  • Industrial Ethernet controllers
  • Embedded networking devices
  • IoT gateways

 

Its compact design makes it suitable for high-density networking hardware.

 

6. How does a LAN transformer improve Ethernet signal quality?

 

A LAN transformer improves signal quality by:

 

  • Filtering electromagnetic interference (EMI)
  • Reducing common-mode noise
  • Maintaining proper signal balance
  • Providing galvanic isolation

 

These features are essential for maintaining reliable Gigabit Ethernet communication over copper cables.