B32774H0225K000

Series:	B32774H
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Capacitance:	2.2µF
Tolerance:	±10%
Voltage Rating - AC:	--
Voltage Rating - DC:	920V
Dielectric Material:	Polypropylene (PP), Metallized
ESR (Equivalent Series Resistance):	26.6 mOhms
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Through Hole
Package / Case:	Radial
Size / Dimension:	1.240" L x 0.531" W (31.50mm x 13.50mm)
Height - Seated (Max):	0.906" (23.00mm)
Termination:	PC Pins
Lead Spacing:	1.083" (27.50mm)
Applications:	DC Link, DC Filtering
Ratings:	--
Features:	Long Life

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Film Capacitors Application Field and Working Principle

A film capacitor, also known as plastic film capacitor or polymer film capacitor, is a type of capacitor that uses a film as the dielectric. It is often constructed as a wound film capacitor or a stacked film capacitor. Commonly used film materials include polyester (PET or Mylar), paper, polystyrene and also ceramic or other metals including tin foil.The B32774H0225K000 is a film capacitor. Its application fields vary, it is used in electronic circuits such as audio equalizers and other components, as well as in PFC circuits, power supplies, and UPS systems. It is a precision capacitor and suitable for measuring applications to assure the accuracy and stability.The B32774H0225K000 is a metallized polypropylene film capacitor. Its construction consists of two layers of aluminum foil as electrodes, separated by a dielectric layer. Covalent and non-covalent bonds are used between the electrodes and dielectric, and an outer plastic insulating layer covers the assembly.A film capacitor has a simple working principle. It uses an electric field between the two electrodes to store energy. When an alternating current is applied, the electric field will change, creating an opposition to the current and a voltage drop across the capacitor. The function of a film capacitor is to store energy and to act as a filter for various frequencies.The main advantages of film capacitors are their durability and stability. They also have a high insulation resistance, low leakage current, and low distortion. Additionally, they can handle high operation temperatures and higher temperatures than electrolytic capacitors. Moreover, film capacitors are usually used in very small sizes, which makes them more suitable than electrolytic capacitors in some circuits.On the other hand, the main disadvantage of film capacitors is that the capacity is affected by aging; that is, their ability to store an electrical charge gradually decreases as they age. This is called “golden aging” and can reduce the capacitor’s performance.In conclusion, film capacitors are widely used for various applications due to their flexibility, durability, stability and much more. The B32774H0225K000 is a film capacitor specifically designed for precision applications, with a wide application field from audio equipment to UPS systems. Their working principle is quite simple: they use alternating current to store energy in order to act as a filter for different frequencies. It is important to know that their capacity is affected by aging, and needs to be taken into account when using them in any application.

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