SFS44T35J384B-00DU

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Film Capacitors

A film capacitor, also known as a plastic film capacitor, a plastic film dielectric capacitor, or a polyester capacitor, is a type of capacitor, an electronic component, that utilizes a film as the dielectric. It has many applications and operates in a wide range of temperatures and capacitance values. Film capacitors are used for power factor correction, power management, and signal processing in electronic systems.

SFS44T35J384B-00DU Application Field and Working Principle

The SFS44T35J384B-00DU is a film capacitor manufactured by KEMET. It has a capacitance range of 5 to 6.5 nF and is capable of working at frequencies between 2000 Hz and 20000 Hz. It is typically used in audio systems, telecommunications, broadcast equipment, and other high performance electronic circuits.

The dielectric in the SFS44T35J384B-00DU consists of a plastic film which is an excellent insulator, allowing for very low loss in the device. The device also utilizes a metallized film capacitor construction, which allows for a very compact size and high capacitance-to-case-size ratio. The device is characterized by very high stability, low ESR, and low ESL. It also has excellent voltage range and resistance to heat and chemicals.

The working principle of the SFS44T35J384B-00DU is based on the generation of an electric field between two conducting plates. A DC voltage applied across the device causes a charge to build up in the conducting plates, creating a voltage difference, or potential. This potential creates an electric field between the plates, which produces an electrical resistance that is proportional to the applied voltage.

The electric field created between the plates results in a current flow, which is basically the capacitance of the device. This current flow, in turn, produces a displacement current between the plates, resulting in an increase in the capacitance of the device. In other words, the SFS44T35J384B-00DU exhibits a variation in capacitance based on the applied voltage, which is known as the "voltage coefficient."

The SFS44T35J384B-00DU is an ideal choice for applications in which stability and high performance are required. Its superior performance, low ESR and ESL, and excellent temperature characteristics make it suitable for use in a variety of applications, including power factor correction, power management, and signal processing.

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