0845-2A1T-H5 vs A63-112-331P431
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| Category | Modular Connectors - Jacks With Magnetics | Modular Connectors - Jacks With Magnetics |
| Manufacturer | Stewart Connector | EDAC Inc. |
| Description | CONN MAGJACK 2PORT 100 BASE-T | CONN MAGJACK 1PORT 100 BASE-T |
| Package | - | - |
| Series | MagJack? | A63 |
| Features | Board Guide | Board Lock |
| Mounting Type | Through Hole | Through Hole |
| Applications | 10/100 Base-T, AutoMDIX | 10/100 Base-T, AutoMDIX |
| Termination | Solder | Solder |
| Contact Finish | Gold | Gold |
| Orientation | 90° Angle (Right) | 90° Angle (Right) |
| Height Above Board | 1.080" (27.43mm) | 0.531" (13.50mm) |
| Connector Type | RJ45 | RJ45 |
| Shielding | Shielded, EMI Finger | Shielded, EMI Finger |
| Number of Rows | 2 | 1 |
| Number of Ports | 2 | 1 |
| LED Color | Green - Yellow | Green - Yellow |
| Tab Direction | Up and Down | Down |
| Number of Cores per Jack | 4 | 4 |
| Operating Temperature | - | 0°C ~ 70°C |
| Contact Material | - | Copper Alloy |
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1. What are Modular Connectors - Jacks With Magnetics?
Modular Connectors - Jacks With Magnetics are modular connectors with integrated magnetic components, mainly used in high-speed data transmission scenarios such as Ethernet. Magnetic components (such as transformers and filters) are used for signal isolation, impedance matching and anti-electromagnetic interference (EMI), ensuring the stability and reliability of data transmission.
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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. Are Modular Connectors - Jacks With Magnetics complicated to install and maintain?
The installation is relatively simple and can usually be completed with standard tools (such as crimping tools). In terms of maintenance, due to its modular design, it is very convenient to replace or upgrade the connector, which is suitable for field installation and repair (MRO) scenarios.
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4. Do these connectors support high-reliability (Hi-Rel) applications?
Yes, many Modular Connectors - Jacks With Magnetics are designed for high-reliability scenarios, with EMI/RFI shielding, protective shell and high durability, suitable for military, aerospace and industrial automation.

