74990101212 vs JK0-0229NL
| Part Number |
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| Category | Modular Connectors - Jacks With Magnetics | Modular Connectors - Jacks With Magnetics |
| Manufacturer | Würth Elektronik | Pulse Electronics Network |
| Description | INTEGRATED RJ45 TRANSFORMER WE-R | CONN MAGJACK 1PORT GIGA POE 140W |
| Package | - | - |
| Series | WE-RJ45 | PULSEJACK? JK |
| Features | Board Guide | Board Guide, Board Lock |
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole |
| Applications | 10/100 Base-TX, AutoMDIX, Power over Ethernet (PoE) | 10/100/1000 Base-T, AutoMDIX |
| Termination | Solder | Solder |
| Contact Material | Tin | Phosphor Bronze |
| Contact Finish | Gold | Gold |
| Orientation | 90° Angle (Right) | 90° Angle (Right) |
| Height Above Board | 0.531" (13.50mm) | 0.546" (13.87mm) |
| Connector Type | RJ45 | RJ45 |
| Shielding | Shielded | Shielded, EMI Finger |
| Number of Rows | 1 | 1 |
| Number of Ports | 1 | 1 |
| LED Color | Yellow - Green | Green - Yellow |
| Tab Direction | Up | Up |
| Number of Cores per Jack | 4 | 8 |
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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. 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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3. 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).
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4. How to solve the compatibility issues of Modular Connectors - Jacks With Magnetics?
Ensuring that the connector is compatible with the cable, device and network standards is key. Choose products that comply with RoHS and IEC 60603-7 standards, and check whether their speed, PoE support and shielding performance meet the requirements.
