Low-Profile RJ-45 Connector L840-1JX1-43 L837-1X1T-43 L8AD-1E1T-BF L834-1X1T-43
| Item | RJ45 Female Connector |
| Part Number | L840-1JX1-43 L837-1X1T-43 L8AD-1E1T-BF L834-1X1T-43 |
| 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 Base-T |
| Latch | Up |
| Cores per Port | 8 |
| Orientation | 90° Angle (Right) |
| PCB Mount Angle | SIDE ENTRY |
| Shield EMI Tabs | With |
| LED Option | Green/Yellow |
| PCB | FR4 |
| PCB Retaining Post | T POST |
| Temperature | 0℃ TO 70℃ |
| Bst Circuit | Yes |
| AutoMDX | YES |
| Contact Mating Area Plating | GOLD 6u"/15u"/30u" |
| Turns Ratio RX/TX | 1CT:1CT |
| Configuration RX/TX | T,C |






Established in 1997, we are a professional designer and manufacturer in magnetic telecom and networking components. With an extensive line of state-of-the-art catalog products as well as custom capabilities, we are a global supplier of magnetic telecom and networking components for OEMs, contract manufacturers, and CEMs, supplying more than 10,000+ customers over 200 countries.
Building multi-warehouse systems in key areas and continuously increasing inventory, we are committed to becoming the world's leading Ethernet RJ45 connector and LAN transformer company.
Are you a manufacturer or a trading company?
We are a specialized manufacturer of magnetic telecom and networking components, including RJ45 connectors, LAN transformers, RJ11 connectors, and SFP modules.
Can I get a sample before mass production?
Yes, we can offer you free samples to test quality, though shipping fees are typically covered by the customer.
What is the standard delivery time?
Products in stock are ready to ship immediately. For mass production, the lead time is generally between 15 to 30 days.
What kind of after-sales service do you provide?
We provide a one-year guarantee period and offer 24-hour online technical support.
Do you accept OEM/ODM orders?
Yes, we welcome OEM and ODM requirements. Please contact us to discuss your specific technical needs.
What are your core advantages?
With over 19 years of production experience, we have established long-term partnerships with leading global technology firms and maintain high standards of quality and reliability.