4401-011LF

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Feed Through Capacitors (FTCs) are components that serve to provide an electrical connection between two conductors or circuits while providing electronic isolation. In this way, electrical signals can be transmitted between circuits without the need for direct conductivity. One example of such an electronic component is the 4401-011LF, which is frequently used in applications where direct contact between circuits is not desired.

The 4401-011LF is a screen-printed, 2-watt, axial-leaded, lead-free capacitor capable of operating at frequencies between up to 250 MHz. It is composed of two ceramic core elements encased within a plastic outer layer and has a nominal capacitance of 220pF. The 4401-011LF provides a high-quality connection between two circuits and also offers excellent high-frequency and EMI/RFI filtering characteristics. It is commonly used in medical equipment, home automation systems, and industrial control systems, as well as numerous other applications where isolation between two electronic components is best achieved with feed through capacitors such as the 4401-011LF.

The working principle of the 4401-011LF is fairly straightforward. When two conductors are connected in parallel with the two leads of the capacitor, the resulting series circuit behaves like an inductor. This results in an insertion loss between the two circuits, due to the electrical field created by the capacitance of the element. The greater the capacitance, the less loss will be introduced, leading to less interference and better signal isolation between the two circuits.

Furthermore, the capacitance of the 4401-011LF is designed to remain relatively constant over a wide range of temperatures. This ensures that the resulting circuit has a low insertion loss, even when the external environment changes. Additionally, due to the low inductance of the component, it is also able to suppress spurious noise caused by electromagnetic interference and radio frequency interference.

In summary, the 4401-011LF is an feed through capacitor that is highly effective for providing electrical isolation between two circuits. The component is highly efficient at providing a low insertion loss, reducing the amount of noise and interference between two systems. The 4401-011LF is frequently used in a variety of applications where isolation is essential, such as medical equipment, home automation systems, and industrial control systems. It is also noted for its ability to resist change in environment, as its capacitance remains fairly constant even when there are fluctuations in temperature.

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