R82MC2220AA50J

Operating Temperature:	-55°C ~ 105°C
Features:	--
Ratings:	AEC-Q200
Applications:	Automotive
Lead Spacing:	0.197" (5.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.378" (9.60mm)
Size / Dimension:	0.283" L x 0.177" W (7.20mm x 4.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	R82
Dielectric Material:	Polyester, Polyethylene Terephthalate (PET), Metallized - Stacked
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±5%
Capacitance:	0.022µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film capacitors are electrostatic components used to store electrical energy for various applications. They are composed of thin, perforated plastic sheets dielectrically laminated between two metallized plates. The most common type of film capacitor is a polyester capacitor or polyethylene-napthalate (PEN) capacitor. Other types of film capacitors, such as PPTC (polypropylene paleo-carbonate) capacitors and polyphenylene sulfide (PPS) capacitors, are also available. These types of film capacitors are used in a wide range of applications, from voltage conversion and energy storage to signal processing and signal conditioning. One common application is the use of film capacitors in AC/DC power supplies, DC/DC converters, switching power supplies and motor drives.

The R82MC2220AA50J film capacitor is a standard polyester capacitor designed for AC/DC power supplies and DC/DC converters. It is designed for higher current and temperature applications, and features a radial lead construction and an anti-surge coil structure. The R82MC2220AA50J has a capacitance value of 2.2uF, a voltage rating of 50V, and a resistance tolerance of +/-10%. The capacitor is also RoHS Compliant and rated to operate in temperatures up to +105°C.

The working principle behind the operation of a film capacitor is similar to that of an ordinary electrostatic capacitor. When an AC voltage is applied to the capacitor, the metallized plates become charged with an opposite charge, resulting in a net electric field between them. This electric field induces a dielectric to form, which is a barrier that prevents the electric charge from passing through. The net electric field between the two plates stores energy, just like an ordinary capacitor. The amount of energy stored depends on the size and capacitance of the capacitor.

In operation, the dielectric between the metallized plates of a film capacitor absorbs electric charge and then quickly releases it when the voltage is removed. This process of absorbing and releasing electric charge is called capacitance. When the capacitor is charging, positive charges are stored on the positive plate and negative charges are stored on the negative plate. When the capacitor is discharging, the positive charges migrate to the negative plate and the negative charges migrate to the positive plate. This process of absorption-release causes a transfer of electrical energy, thus allowing a film capacitor to store an electrical charge.

In summary, the R82MC2220AA50J film capacitor is a standard polyester capacitor designed for use in AC/DC power supplies, DC/DC converters, and motor drives. It features a radial lead construction and anti-surge coil design for higher current and temperature applications, and has a capacitance value of 2.2uF, voltage rating of 50V, and tolerance of +/-10%. Its operating principles are similar to those of an ordinary electrostatic capacitor, in which an electric field is used to store energy. Through this process of absorption-release, film capacitors can store electrical energy for various applications.

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