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JFM38U1G-21M4-4F RJ45 Modular Jack

Product Description

JFM38U1G-21M4-4F RJ45 Modular Jack
RJ45 Modular Jack
📋 Products Description
ItemRJ45 Female Connector
Part NumberJFM38U1G-21M4-4F
Part StatusActive
Connector TypeJack
Number of Positions/Contacts8p8c (RJ45, Ethernet)
Application-LanEthernet(NoN PoE)
Number of Ports1x1 Port
Speed10/100 Base-T
LatchUp
Cores per Port4
Orientation90° Angle (Right)
PCB Mount AngleSIDE ENTRY
Shield EMI TabsWithout
LED OptionGreen/Yellow
PCB MaterialFR4
PCB Retaining PostT POST
Temperature0℃ TO 70℃
Bst CircuitYes
AutoMDIXYES
Contact PlatingGOLD 6u"/15u"/30u"
Turns Ratio RX/TX1CT:1CT
Configuration RX/TXT,C
🔹 High Performance Magnetic Components
🔹 Reliable Network Connectivity
🔹 Industry Standard Compatibility
🏢 Profile
Established in 1997, we are a professional designer and manufacturer of magnetic telecom and networking components. With an extensive line of state-of-the-art catalog products as well as custom capabilities, we serve as a global supplier of magnetic telecom and networking components to OEMs, contract manufacturers, and CEMs.

Supplying more than 10,000+ customers over 200 countries, we maintain multi-warehouse systems in key areas to ensure continuous inventory. We are committed to leading the Ethernet RJ45 connector and LAN transformer industry.
❓ Frequently Asked Questions
Are you a factory or 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 free samples to test quality, though shipping fees are generally covered by the customer.
What is your typical delivery time?
In-stock items are ready to ship immediately. For mass production, the lead time is typically 15-30 days.
What kind of after-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 inquiries. Please contact us for a detailed discussion of your requirements.
What are your core advantages?
With over 19 years of production experience, we have established long-term partnerships with major industry leaders like Intel and Jabil.

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