LPJ4014CNL Integrated RJ45 Connector Description:
The LPJ4014CNL is a single-port RJ45 connector with integrated magnetics, designed and manufactured by LINK-PP for reliable 10/100 Base-T Ethernet connectivity.
This compact Magjack module integrates the magnetic transformer and RJ45 interface into one component, reducing PCB space, improving EMI performance, and simplifying circuit design for networking and industrial applications.
Built to meet IEEE 802.3 standards, the LPJ4014CNL supports 10/100 Mbps data transmission and offers excellent signal integrity even in electrically noisy environments.
With a wide operating temperature range (-40°C to +85°C) and shielded housing, it is ideal for IoT devices, industrial controllers, and embedded systems requiring stable Ethernet performance.
Features:
- Integrated Magnetics Design — Combines Ethernet transformer and RJ45 connector to save board space.
- High Reliability — Meets 10/100 Base-T Ethernet standards (IEEE 802.3 compliant).
- Industrial Temperature Range — Operates from -40°C to +85°C for harsh environments.
- Shielded Housing — Provides EMI protection and ensures stable signal transmission.
- Through-Hole Mounting — Offers strong mechanical retention for industrial equipment.
- RoHS & UL Certified — Environmentally friendly and safety-compliant component.
Technical Parameters:
| Parameter | Specification |
| Part Number | LPJ4014CNL |
| Type | Integrated RJ45 Connector (Magjack) |
| Port Configuration | 1×1 |
| Speed | 10/100 Base-T |
| Mounting Type | Through Hole |
| Orientation | Tab Down |
| Shield | Metal Shielded |
| LED | No LED |
| Operating Temperature | -40°C ~ +85°C |
| Contact Plating | Gold Flash (6 µin / 15 µin / 30 µin options) |
| Insulator Material | UL 94V-0 Thermoplastic |
| Compliance | IEEE 802.3, UL, RoHS, REACH |
LPJ4014CNL Magjack Details:
FAQ – LPJ4014CNL Integrated RJ45 Connector:
Q1: What makes the LPJ4014CNL suitable for industrial and IoT applications?
A: The LPJ4014CNL is engineered with integrated magnetics and enhanced EMI shielding, offering superior noise suppression and signal integrity in harsh electrical environments. Its wide temperature range (-40°C to +85°C) and through-hole mounting design ensure reliable mechanical performance for long-term operation in industrial Ethernet, automation, and IoT gateways.
Q2: How does an integrated RJ45 Magjack differ from a standard RJ45 connector?
A: Unlike standard RJ45 connectors, the LPJ4014CNL integrates magnetic transformers (magnetics) within the connector housing. This integration provides isolation between the PHY and network lines, minimizes external component count, improves EMC/EMI performance, and simplifies PCB design. The result is a smaller footprint, lower system cost, and increased design reliability.
Q3: Is the LPJ4014CNL compatible with major Ethernet PHY chipsets?
A: Yes. The LPJ4014CNL is fully IEEE 802.3 compliant and has been tested with leading PHY chipsets from Broadcom, Intel, Microchip, Realtek, Marvell, and Texas Instruments. This ensures plug-and-play compatibility across most 10/100 Base-T Ethernet applications.
Q4: Does the LPJ4014CNL require additional external components for operation?
A: No additional magnetics are required. The integrated design already includes the necessary isolation transformers and common-mode chokes, enabling direct connection between the RJ45 port and the Ethernet PHY interface. Only minimal supporting passive components (e.g., resistors and capacitors) are needed for signal conditioning as per PHY datasheet recommendations.
Q5: What compliance certifications does LPJ4014CNL meet?
A: The LPJ4014CNL meets UL recognition, RoHS, and REACH environmental directives, and conforms to IEEE 802.3 Ethernet specifications. LINK-PP production facilities are ISO 9001 / ISO 14001 certified, ensuring consistent product quality and environmental responsibility.
Q6: Can LINK-PP provide customized RJ45 Magjack solutions?
A: Yes. LINK-PP offers OEM and ODM customization, including modifications to pin configuration, LED color, magnetics design, and shielding structure to meet specific electrical or mechanical requirements. Custom solutions are available for high-volume industrial, telecom, and embedded networking applications.
