SFT37S90K475B-F

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Film capacitors, also known as Metallized Polypropylene Film Capacitors or Hybrid Film and Foil Capacitors, are used in many different electronics applications. The type SFT37S90K475B-F is one such example. This part is a radial metallized polypropylene film capacitor with a capacitance of 47mF (millifarad) and a voltage rating of up to 450 volts. It is commonly used in circuits where space is limited, as the small size and light weight give it an advantage over traditional electrolytic capacitors.

The function of any capacitor is to store and release charge. The SFT37S90K475B-F does so through the use of several metallized layers which are interlayered between two polypropylene film insulation layers. The metallized layers are connected to the two leads, giving the capacitor the ability to store electrical charge. The combination of the insulation layers and the metallized layers create a dielectric which is used to store the charge. When a voltage is applied to the leads, the capacitors charge is stored in the dielectric.

The SFT37S90K475B-F can find application in many different types of circuits. In audio applications, they are often used to filter out high frequency noise and smooth out pulses and transients. In power supply circuits, they can be used for decoupling and filtering out powerline noise. They can also be used to filter out electromagnetic interference (EMI) in signal lines.

In general, the SFT37S90K475B-F is a great choice for applications where space is limited or where high frequency noise needs to be minimized. The capacitance of 47 mF allows it to store more charge than smaller capacitors, and the high voltage rating makes it suitable for a wide variety of applications. For those looking for a reliable, high performance capacitor, the SFT37S90K475B-F is a great option.

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