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Modular Connectors - Jacks

The TM3R-66(50) is a shielded modular jack that is typically used in CAT5e applications. It features 50Ω impedance and 50 micron gold plated contacts for reliable and consistent connectivity. It has an overall length of 1.37 inches and a width of 24.4mm, making it compatible with larger RJ45 sizes. It is also available in various color options, including black, white, yellow, and blue.

Application Fields

The TM3R-66(50) is primarily designed to be used in unshielded twisted pair (UTP) cabling systems for lower-level applications with performance up to CAT5e. It is suitable for a variety of network infrastructures, including Fast Ethernet, Gigabit Ethernet, and 10G Ethernet applications. Its 50Ω impedance also makes it suitable for digital video applications. This modular jack is also widely used in areas such as data centers, telecommunications, and industrial automation.

Working Principle

The TM3R-66(50) is a shielded modular jack that operates using an inner contact. This inner contact is responsible for carrying the signal from the connected patch panel to the connected networking device, while the outer contact is responsible for providing the shielding portion of the jack. The inner contact is surrounded by various shielding components that are designed to prevent the signal from being corrupted by electromagnetic interference.

The inner contact is surrounded by a base insulator, which provides insulation and electrical contact between the inner contact and the outer contact. Additionally, a shielded cover is placed over the inner contact to help protect the connection from interference. The TM3R-66(50) also features a metal shield surrounding the base insulator and a locking latch that prevents the jack from becoming disconnected.

The outer contact of the TM3R-66(50) is crimped to the back of the modular connector and is connected to the patch panel. The shield connected to this contact serves to protect the connection from EMI interference. The shielded cover placed over the inner contact then helps to further reduce any EMI interference.

Overall, the TM3R-66(50) is designed for use in Ethernet networks and provides superior shielding characteristics while still being relatively low cost. It is easy to install and configure, making it an ideal candidate for many lower scale network applications.

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