J1012F21R

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Modular Connectors - Jacks With Magnetics play an important role in maintaining consistent electrical performance in the presence of high-frequency signals. J1012F21R is a type of jack with magnetics, which is commonly used in the application of Ethernet network, data link, and other applications that require high electrical performance at high frequencies.

J1012F21R is a vertical-type jack, with a height of 19.9mm and a width of 10.2mm, and it is mainly composed of two parts – the outer shell and the inner frame. The outer shell is made of thermoplastic material, such as PBT, and it is connected to the inner frame by four integral screws. The inner frame is made of aluminum alloy, and it is equipped with a snap-in magnet. It has a contact area of 10㎟ , which can prevent premature arcing and ensure a clean signal in the application.

Besides the structure, the magnetic characteristics of J1012F21R are also very important. In considering the alternate reflux of high-frequency signal, the contact force of the magnet inside the connector and the signal reflux should be taken into consideration. When the signal is not loaded, the relative permittivity should meet with the transmission line and circuit requirement of the application.The working principle of J1012F21R is relatively simple. After passing through the magnet, the signal that enters the connector is buffered, and the high-frequency signal is then introduced to the contact area. It then flows through the contacts and is buffered again before reaching the destination. This process ensures that the signal does not suffer any distortion and maintains reliability in terms of signal transmission.

J1012F21R is mainly used in the Ethernet network and data link, and it is also widely used in many other applications that require high-frequency signals. Its special design also makes it suitable for use in high-density applications, such as industrial control and medical equipment, as it can maximize the density of the connector and enhance the stability.In summary, J1012F21R is a very reliable and commonly used connector with magnetics, and its special structure and magnetic characteristics make it the perfect choice for applications with high-frequency signals, such as the Ethernet network and data link.

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