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High-performance Ethernet connectivity solution designed for Gigabit speeds and robust environmental protection.
| Item | RJ45 Female Connector |
| Replaceable Part Number | LJ-T40B4L-00-F |
| Part Status | Active |
| Connector Type | Jack |
| Number of Positions/Contacts | 8p8c (RJ45, Ethernet) |
| Application-Lan | Ethernet (Non-PoE) |
| Number of Ports | 1x1 Port |
| Speed | 10/100/1000 Base-T |
| Latch | Down |
| Cores per Port | 4 |
| Orientation | 90° Angle (Right) |
| PCB Mount Angle | SIDE ENTRY |
| Shield EMI Tabs | With |
| LED Option | Without |
| PCB Material | FR4 |
| PCB Retaining Post | T POST |
| Temperature | 0℃ TO 70℃ |
| Bst Circuit | Yes |
| AutoMDX | YES |
| Contact Plating | GOLD 6u"/15u"/30u" |
| Turns Ratio RX/TX | 1CT:1CT |
| Configuration RX/TX | T, C |







Established in 1997, our company is a professional designer and manufacturer specializing in magnetic telecom and networking components. We offer an extensive line of state-of-the-art catalog products along with robust custom design capabilities.
As a global supplier, we serve OEMs, contract manufacturers, and CEMs across over 200 countries, supplying more than 10,000+ customers. With multi-warehouse systems in key global regions, we ensure continuous inventory availability and are committed to leading the Ethernet RJ45 connector and LAN transformer industry.

