B25838L4156K4

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Film Capacitors

A film capacitor, also known as an AC capacitor, is an electronic component used for electrical energy storage. Film capacitors are non-polarized and can be used for a broad range of applications. It can be applied in a variety of circuits such as power supply filter, blocking, line-by-passing, or in timing requirements.

B25838L4156K4 Application Field and Working Principle

The B25838L4156K4 application field covers a wide range of areas, including power supply filtering, control, and timing circuits. It is also commonly used in HVAC, LED, solar, and RF applications. It is composed of two layers of film and aluminum foil that are insulated with paper or plastic between them. The working principle of the B25838L4156K4 is based on its ability to store electrical energy within its two layers of film and aluminum foil. This stored energy can then be released at a controlled rate when a voltage or current is applied to the capacitor.

The film capacitors have a comparable low range of dissipation, low ESR (equivalent series resistance), and a wide operating temperature range covering from -55oC to +125oC. In addition, the capacitance range of this model is from 0.1uF to 22uF with a voltage rating of between 16V and 400V. This model is well suited for applications that require larger capacitances and higher voltage ratings such as motor control circuitry, voltage classification, and signal processing circuits.

B25838L4156K4 capacitors have high capacitance stability over a wide range of temperatures. This is due to its dielectric polypropylene film providing excellent temperature compensation properties to the capacitor. The voltage rating can be determined by the dielectric material used and the amount of insulation applied to the device. Additionally, this model has superior self-healing capabilities. It is capable of recovering from a short circuit between the two electrodes or terminal surfaces without catastrophic failure.

In conclusion, the B25838L4156K4 is a high performance film capacitor that offers exceptional performance in power supply filtering, control, and timing circuits. Its wide range of applications and voltage rating make it ideal for use in a variety of electrical and electronic systems. It offers low dissipation, low ESR, and superior temperature stability, making it an excellent choice for circuits that require stable performance over a wide range of temperatures. The superior self-healing properties of the capacitor makes it highly reliable and provides long-term durability.

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