L834-1G1T-91 vs 74990101212
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| Category | Modular Connectors - Jacks With Magnetics | Modular Connectors - Jacks With Magnetics |
| Manufacturer | Bel Fuse Inc. | Würth Elektronik |
| Description | MAGJACK 1PRT MIDPLANE 10/100 LED | INTEGRATED RJ45 TRANSFORMER WE-R |
| Package | - | - |
| Series | MagJack? | WE-RJ45 |
| Features | Board Lock | Board Guide |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 85°C |
| Mounting Type | Board Edge, Cutout; Through Hole | Through Hole |
| Applications | 10/100 Base-T, AutoMDIX | 10/100 Base-TX, AutoMDIX, Power over Ethernet (PoE) |
| Termination | Solder | Solder |
| Contact Finish | Gold | Gold |
| Orientation | 90° Angle (Right) | 90° Angle (Right) |
| Height Above Board | 0.448" (11.38mm) | 0.531" (13.50mm) |
| Connector Type | RJ45 Jack | RJ45 |
| Shielding | Shielded, EMI Finger | Shielded |
| Number of Rows | 1 | 1 |
| Number of Ports | 1 | 1 |
| LED Color | Green - Green | Yellow - Green |
| Tab Direction | Down | Up |
| Number of Cores per Jack | 4 | 4 |
| Contact Material | - | Tin |
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1. What are the main application scenarios of Modular Connectors - Jacks With Magnetics?
These connectors are widely used in Ethernet devices, industrial control systems, network routers, IP cameras, VoIP devices, and scenarios that require high reliability (such as military and aerospace fields).
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2. How to choose the right Modular Connectors - Jacks With Magnetics?
Factors to consider when choosing:
Number of ports: single-port, multi-port, or stacked configurations.
Speed support: such as 1Gb/s, 10Gb/s, or higher.
Mounting method: panel mount, onboard mount, or through-hole mount.
Shielding performance: whether EMI/RFI shielding is required. -
3. What Ethernet standards do Modular Connectors - Jacks With Magnetics support?
These connectors typically support 10/100/1000 Base-T, 2.5Gb/s, 5Gb/s, and 10Gb/s Ethernet standards, and are compatible with PoE (Power over Ethernet) Type 1 to Type 4.
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4. What is PoE support? Why is it important?
PoE (Power over Ethernet) allows data and power to be transmitted simultaneously over Ethernet cables, reducing wiring complexity. Modular Connectors - Jacks With Magnetics support PoE and are suitable for devices that require remote power supply (such as IP cameras and VoIP phones).
