4400-683LF

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Feed through capacitors can be used to reduce or prevent electromagnetic interference between two circuits that are connected to each other. One of the most common feed through capacitors is the 4400-683LF. This device is designed to provide a low voltage, low impedance connection between two circuits, while reducing or eliminating RF noise and power harmonics that can affect them.

The 4400-683LF is a ceramic feed through capacitor that operates on a 2.2kHz frequency. It has an operating temperature range from -55 to +125 °C and is considered especially suitable for use in telecommunications and automotive applications. The capacitor also provides minimal printed circuit board size due to its small size of 3.0x2.5mm. It is also designed to reduce interference between neighboring circuits on a printed circuit board.

The 4400-683LF capacitor uses a special ceramic dielectric material, which is designed to provide a wide range of capacitance values. This ceramic material is especially useful in high temperature, high frequency, and harsh environment applications. It also provides excellent voltage stability and low ESR. The dielectric material also offers superior frequency and voltage characteristics which make it ideal for high frequency applications.

The working principle of the 4400-683LF is to provide a capacitive filter that filters out any interference signals on the line. The capacitive filter works by allowing only the desired signal to pass through, while blocking out any undesired noise or harmonics. The capacitor also functions as an impedance transformer, allowing it to absorb high-frequency noise and power harmonics.

The 4400-683LF also has an in-line shield that further enhances its effectiveness. The shield helps to reduce any RF interference that might get through the filter. Additionally, the capacitor can be used in combination with ferrite beads and other components to increase its overall performance and reduce EMI.

In conclusion, the 4400-683LF feed through capacitor is designed for use in telecommunications and automotive applications. It offers low voltage, low impedance connection between two devices while reducing or eliminating RF noise and power harmonics. It is ideal for high temperature, high frequency, and harsh environment applications, due to its special ceramic dielectric material and an in-line shield for additional protection. The capacitive filter works by allowing desired signals to pass through, while blocking out any undesired noise or harmonics. It can also be used in combination with ferrite beads and other components to increase its overall performance and reduce EMI.

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