5-6605435-8 vs ARJ12A-MASD-A-B-EMU2
| Part Number |
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| Category | Modular Connectors - Jacks With Magnetics | Modular Connectors - Jacks With Magnetics |
| Manufacturer | TRP Connector B.V. | Abracon LLC |
| Description | CONN MAGJACK 1PORT AUTOMDIX | CONN MAGJACK 2PORT 100 BASE-TX |
| Package | - | - |
| Series | Mag45 | ARJ12A |
| Features | Board Guide, Decoupling Capacitance | Board Lock |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole |
| Applications | 10G Base-T, AutoMDIX | 10/100 Base-TX, AutoMDIX |
| Termination | Solder | Solder |
| Contact Material | Phosphor Bronze | - |
| Contact Finish | Gold | Gold |
| Orientation | 90° Angle (Right) | 90° Angle (Right) |
| Height Above Board | 0.555" (14.10mm) | 0.535" (13.59mm) |
| Connector Type | RJ45 | RJ45 |
| Shielding | Shielded, EMI Finger | Shielded, EMI Finger |
| Number of Rows | 1 | 1 |
| Number of Ports | 1 | 2 |
| LED Color | Green - Yellow | Green - Yellow |
| Tab Direction | Down | Down |
| Number of Cores per Jack | 8 | 4 |
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1. 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. -
2. How to distinguish different models of Modular Connectors - Jacks With Magnetics?
Models are usually distinguished by the following features:
Port configuration: such as 1x1, 1xN or 2xN.
Rate: such as Cat5e, Cat6 or Cat6A.
Mounting direction: right angle or vertical mounting.
Additional features: such as LED indicator or shielding design. -
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.

