185184K63RCA-F

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Film Capacitors

A film capacitor, also known as plastic-film capacitor, is a type of capacitor which is manufactured using thin plastic film as the dielectric material. It can withstand high dielectric, voltage, and temperature stress. Film capacitors are widely used in multiple industries due to their flexibility in being able to be constructed with different types of film, having higher volume resistivity, more durable in harsh operating environment, and their ability to withstand high temperature.

185184K63RCA-F application and working principle

The 185184K63RCA-F, manufactured by KEMET, is a part of the T491 series of film capacitors. It is an axial-lead, ceramic, block-mounted, hermetically sealed capacitor used in the aerospace and defense, automotive, medical and PCB industries. It has a voltage rating of 400VDC, a capacitance value of 18µF ±20%, and a temperature range of -55°C to +105°C.

As a film capacitor, the 185184K63RCA-F works by creating a capacitance by the way of stacking multiple layers of dielectric material and two metal plates. When a voltage is applied to the plates, the electric field across the dielectric material creates a capacitance in the structure. The amount of capacitance depends on the dielectric constant, electric field strength, plate area, plate spacing, and the thickness of the dielectric layer.

Due to its construction and characteristics, the 185184K63RCA-F is suitable for applications which require high accuracy and stability in voltage and temperature. Its fast response and low inductance characteristics are useful for applications in high frequency circuits, AC line filters, and pulse circuits. Its hermetic ceramic body also enables it to be used in extreme environment with high vibration and shock.

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