FCN2820A274K-Z

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Film capacitors, also known as plastic or polyester film capacitors, are made by winding thin metallic foil onto a plastic film substrate. Film capacitors offer the advantage of high stability and low equivalent series resistance (ESR). The FCN2820A274K-Z is a plastic film capacitor made of polyethylene-terephthalate (PET) with a metallized film. The capacitor has a voltage rating of 100 V DC and features a capacitance of 0.274 µF.

Application Field

The FCN2820A274K-Z is designed primarily for general-purpose and power applications, including coupling, decoupling, filtering, bypassing, and DC blocking. It is suitable for switching power supplies, audio frequency circuits, motor drives, and other systems where high temperature stability and low ESR are required. It can also be used in applications where high insulation resistance and self-healing is needed.

Working Principle

As its name implies, the FCN2820A274K-Z is a film capacitor that uses a metallized film as its dielectric material. It is constructed by winding a thin metal film onto a plastic film substrate. This substrate serves as the electrode and is connected to the capacitor terminals. When an electric field is applied to the capacitor, the metal film extends outward, and a capacitance is created between the metal film and the substrate. This capacitance can be adjusted by changing the thickness of the metal film. This is the basic principle behind the FCN2820A274K-Z.

The FCN2820A274K-Z is especially suitable for many high temperature applications due to its reliable stability. Its robust construction offers a high insulation resistance and self-healing properties, making it suitable for switching power supplies, audio frequency circuits, motor drives, and other systems requiring high temperature stability and low ESR.

Additionally, the FCN2820A274K-Z has an high temperature rating of +125°C. This makes it suitable for usage in a range of temperature extremes, from -40°C to +125°C. Its very low ESR values of 10 mOhm to 40 mOhm make it suitable for applications which require this level of stability and performance.

Overall, the FCN2820A274K-Z has low equivalent series resistance, high insulation resistance, and high temperature stability, making it suitable for a wide range of applications ranging from general purpose to power applications. Its robust construction and reliable performance make it a popular option for many systems.

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