205PPA122K

ESR (Equivalent Series Resistance):	2.6 mOhms
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Frequency, Switching; Snubber
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	1.535" Dia x 2.165" L (39.00mm x 55.00mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C
Series:	PPA
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1200V (1.2kV)
Voltage Rating - AC:	550V
Tolerance:	±10%
Capacitance:	2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors, also known as film dielectric capacitors, are electronic components used to store and release electrical energy. They are constructed by sandwiching a dielectric film material between two electrodes. In many applications, the film capacitor is preferred to other types of capacitors due to its high operating temperatures and excellent electrical characteristics.In particular, the 205PPA122K film capacitor offers superior performance. It utilizes a polypropylene film material which is renowned for its thermal stability and highly consistent dielectric properties. This allows for long-term reliability and performance in demanding applications. The 205PPA122K also features metalized electrodes which enhance the electrical properties, allowing for better ac stability, lower dielectric absorption, and higher capacitance.The 205PPA122K capacitor is most commonly used in AC power supply applications. In these applications, it acts as a reservoir of energy, storing and releasing electrical energy as needed. This reduces current harmonics and ensures a reliable power delivery system. The capacitor is also used in more specialized applications such as switch mode power supplies, induction heating, and power factor correction.In addition to AC applications, the 205PPA122K film capacitor can also be used in DC circuits. It is often used as a circuit’s decoupling capacitor, which helps reduce high frequency noise, stabilize voltage, and improve the overall system performance.To understand the working principles of a film capacitor, we must first understand the dielectric material. A dielectric material consists of atoms which have an equal number of electrons and protons. When a voltage is applied across the electrodes of the capacitor, the electrons from one electrode will be attracted to the positive charge of the other electrode. This creates a field between the two electrodes, with the dielectric material located in between. As current passes through the capacitor, energy builds up in the form of electrostatic fields which are held between the electrodes. This is what makes up a film capacitor’s operation.In conclusion, the 205PPA122K film capacitor is a versatile and reliable component that can be used in a variety of applications. Its superior electrical characteristics and high operating temperatures make it an ideal choice for a range of AC and DC applications. Understanding the working principles of a film capacitor can help you make an informed decision when selecting a capacitor for a specific project.

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