1840437-1 MagJacks (ICMs) is a 1x1 Gigabit 1000BASE-T RJ45 magnetic jack with low-profile offset design, tab-down port configuration, LED indicator, EMI tabs, and RoHS compliance.

Features of 1840437-1 RJ45 with Magnetics

The 1840437-1 MagJacks is a 1x1 Gigabit MagJack (ICM) designed for reliable 1000BASE-T Ethernet connectivity in compact networking and communication equipment. With a low-profile, offset structure, tab-down port configuration, and built-in LED indicators, this MagJack is ideal for applications that require stable signal performance, space-saving PCB layout, and clear link/activity status visibility.

Engineered for modern board designs, the 1840437-1 combines magnetic and RJ45 connector functions into one integrated solution. It also includes EMI tabs for improved noise control, a through-hole mount design for strong mechanical retention, and RoHS compliance for environmentally responsible manufacturing.

The 1840437-1 MagJacks product is built around a practical feature set for board-level Ethernet design:

• Gigabit Performance: Fully optimized for 1000BASE-T networks, ensuring high-speed data transmission with zero packet loss.
• Space-Saving Design: The mid-plane/offset low-profile structure is specifically designed for slim devices and compact enclosures.
• Superior Shielding: Equipped with integrated EMI tabs for excellent noise reduction and signal isolation. 
• Integrated Diagnostics: Built-in 3w-OG/Y (Orange/Green, Yellow) LEDs provide immediate, clear network activity and link status.
• Industry Compliant: 100% RoHS compliant, meeting global environmental and manufacturing standards.

Specifications of Mid-Plane RJ45 Connector

1840437-1 Drawing:

1. 1840437-1 Drawing - Mechanical

2. 1840437-1 Drawing - Schematic

3. 1840437-1 Drawing - SUGGESTED PCB LAYOUT

Materials of 1840437-1 Mid-Plane RJ45 Connector :

1. Housing: High Temperature Nylon(FR2G30BL), Black, Flammability rating UL 94V-0
2. Shield: Brass, 0.20mm Thick, Preplated with min 0.76 um semi-Bright Nickel; Post Dipped With 2.54um Min Sac Solder At Ground Pins.
3. Contact: Phosphor Bronze, 0.25mm Thick with I.27um Min Overall Nickel Underplate Andselective I.27um min Gold Plating At Mating Interface
4. Solder Tail: 0.25mm Thick, Phosphor Bronze, I.27um Min Overall Nickel Underplate 3um Min Matte Tin Plate.
5. LED: Diffused Epoxy Lens, 0.50mm square Carbon Steel Wireframe Leads Preplated With2.03um min silver Over I.02um Min Nickel Underplate Over I.02um Min Copper Underplate; Post Plated With 2.54um Min Matte Tin.

Applications of Gigabit RJ45 Connector

Because of its compact footprint and robust Gigabit capabilities, the 1840437-1 MagJack is highly sought after by engineers designing:

• Slim-profile Network Switches and Routers 
• Industrial PCs and Single Board Computers (SBCs)
• Telecommunications and Networking Equipment
• Set-Top Boxes and Smart Home Hubs
• IoT Gateways and Embedded Systems