Xelivor
Explore our top-tier surface-mount Ethernet connectors, designed for automated pick-and-place manufacturing systems and high-density networking boards.
As the backbone of local area networks (LAN) and telecommunication systems, the RJ45 female connector has evolved from simple mechanical interfaces into highly complex components. Today, the global demand for Surface Mount Technology (SMT) and Surface Mount Device (SMD) RJ45 connectors is reaching record highs. Driven by the exponential growth of edge computing, smart manufacturing, and the Internet of Things (IoT), industrial hardware designers are prioritizing compact, reflow-soldering-compatible solutions.
Unlike traditional through-hole technology (THT), SMT RJ45 connectors enable automated pick-and-place machines to mount Ethernet ports directly onto PCB surfaces. This transition saves valuable space on the opposite side of the board and streamlines high-speed assembly. In high-frequency, high-density environments like telecommunication servers, data centers, and advanced automation setups, this space efficiency translates directly into better system performance and lower manufacturing costs.
The global transition to Industry 4.0 has placed Ethernet connectivity at the heart of harsh manufacturing environments. Regionally, demand in North America and Europe centers on high-reliability, shielded connectors capable of handling Power over Ethernet (PoE) and high-speed data transmission without signal degradation. Meanwhile, Asia-Pacific dominates the manufacturing of these components, leveraging raw material supply chains to deliver cost-effective and scalable OEM/ODM services to international markets.
In modern high-speed circuit design, engineers face three main challenges when designing Ethernet interfaces: coplanarity, thermal tolerance during soldering, and crosstalk/shielding. The technological roadmap of SMT RJ45 female connectors directly addresses these concerns with several key innovations:
As networks upgrade from Gigabit Ethernet (1000Base-T) to 2.5G, 5G, and 10G Base-T speeds, the high-frequency performance of RJ45 contacts becomes critical. Advanced design practices focus on optimizing the internal wire framework of the connector to reduce Far-End Crosstalk (FEXT) and Near-End Crosstalk (NEXT), maintaining signal integrity at operating frequencies up to 500 MHz.
Engineered to deliver reliable signal and power distribution across challenging modern environments.
Designed for ultra-dense 1U/2U server rack mount units and top-of-rack switches. The low vertical profile of SMT RJ45 connectors optimizes airflow and system thermal performance.
Featuring robust metal shielding and integrated LED diagnostic indicators, our connectors withstand the heavy EMI and vibration common in smart manufacturing environments.
Highly compatible with Power over Ethernet (PoE/PoE+/PoE++) configurations, enabling direct DC power delivery to edge devices and outdoor communication arrays.
A trusted global manufacturer and exporter of optical transceivers and high-performance fiber connectivity solutions.
Xelivor Optoelectronics Co., Ltd. is a professional manufacturer of optical transceivers and fiber connectivity solutions, dedicated to serving global data center, telecom, enterprise network, and cloud computing industries. Established in 2016, the company operates from a modern manufacturing facility covering 386 m² and has built a strong reputation for delivering reliable, high-performance optical communication products worldwide.
With over 8 years of industry experience and 6 years of export experience, Xelivor has achieved annual export revenues exceeding USD 12 million. Our products are exported to customers across North America, Europe, Southeast Asia, the Middle East, and South America, supporting a wide range of networking applications from enterprise infrastructure to hyperscale data centers.
Xelivor specializes in the design, development, and production of optical transceivers, including SFP, SFP+, SFP28, QSFP28, QSFP-DD, OSFP, DAC, and AOC solutions. Backed by a dedicated R&D team of 68 engineers, the company continuously invests in innovation and launched more than 85 new products in the past year to meet the evolving demands of high-speed optical networks.
Quality is at the core of our operations. Our quality management system incorporates incoming material inspection, in-process quality control, aging tests, compatibility verification, optical parameter testing, and final product inspection. A professional quality assurance team of 32 inspectors ensures every product meets strict international standards before shipment.
The company maintains long-term cooperation with more than 850 supply chain partners, enabling stable sourcing, efficient production, and rapid delivery capabilities. Our flexible manufacturing system supports OEM, ODM, private label, customized firmware, customized labeling, and packaging services to satisfy diverse customer requirements.
As a company with strong independent R&D capabilities, advanced testing equipment, and a customer-oriented approach, Xelivor serves distributors, system integrators, telecommunications operators, data center providers, network equipment vendors, and enterprise customers worldwide. Driven by innovation, quality, and partnership, Xelivor Optoelectronics Co., Ltd. remains committed to providing cost-effective, reliable, and future-ready optical communication solutions for global networking infrastructure.
Integrating surface-mount connectors into high-frequency networks requires a system-level design approach. Standard connectors can introduce impedance mismatches and EMI leaks if not properly integrated. Our engineering team helps clients design optimized PCB layouts that protect signal paths from external noise.
High-voltage equipment can disrupt data lines. Our SMT RJ45 connectors feature integrated brass shields with multi-point grounding tabs. These tabs route noise directly to the chassis ground, minimizing EMI emission and susceptibility to meet strict FCC Part 15 and CISPR 22 standards.
High-power PoE (IEEE 802.3bt Type 4) can deliver up to 90W of DC power over Ethernet cables. At these power levels, contact resistance can cause heat buildup inside the connector housing. To prevent this, our connectors feature high-conductivity copper alloy contacts with heavy gold plating. This design keeps resistance to a minimum, ensuring reliable operation even during continuous maximum power delivery.
Find answers to key questions about sourcing, mounting, and testing SMT RJ45 connectors.
Explore our specialty surface-mount designs, featuring integrated LEDs, shields, and advanced magnetics for demanding network interfaces.