R75TI1820AA30J

Operating Temperature:	-55°C ~ 105°C
Features:	--
Ratings:	--
Applications:	High Frequency, Switching; High Pulse, DV/DT; Power Factor Correction (PFC)
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.476" (12.10mm)
Size / Dimension:	0.709" L x 0.236" W (18.00mm x 6.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	R75
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1600V (1.6kV)
Voltage Rating - AC:	650V
Tolerance:	±5%
Capacitance:	8200pF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors are widely used in many fields, from power electronics to decoupling circuits. The R75TI1820AA30J is a type of film capacitor that offers good uniformity, low inductance, and low noise. It is used in several applications and is distinguished from regular capacitors due to its construction and working principle.

Construction and Material

The R75TI1820AA30J is a metalized film capacitor with a graphene electrode. The capacitor consists of two metalized films, a metal layer coated on each side of a plastic film, and two metal electrodes in the form of a coil. The graphene electrode is made up of nanoscale sheets of graphene, providing low impedance and high capacitance. The metalized films are usually formulated with a mixture of plastic and metal, providing excellent heat transfer and ferroelectric properties, while the graphene electrode provides low leakage and high energy density.

Application Field

The R75TI1820AA30J is mainly used in radio frequency (RF) applications such as radio broadcasting, telecommunications, navigation systems, and satellite communications. It is also used in switching power supplies, audio amplifiers, and computer disk drives. Its high capacitance, low inductance, and low noise make it particularly useful in these applications.

Working Principle

The R75TI1820AA30J works similarly to other capacitors. It stores energy in the electrostatic field between the two metalized films and the graphene electrode. As current passes through the capacitor, the electric charge accumulates on the metal layer and forms an electric field between the metalized films and the graphene electrode. This electric field generates an electrostatic attraction force which stores the energy. When the capacitor is disconnected from the circuit, the electric field dissipates, and the stored energy is released in the form of a voltage pulse.

Conclusion

The R75TI1820AA30J is a type of film capacitor used in many applications that require high capacitance, low inductance, and low noise. Its construction consists of two metalized films, a graphene electrode, and two metal electrodes in the form of a coil. It is mainly used in RF applications, and its working principle is based on the electrostatic field between the two metalized films and the graphene electrode.

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