335PHB700K2J

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Film Capacitors are one of the most widely used components in electrical and electronic circuitry. The 335PHB700K2J series film capacitor is a series of polypropylene film capacitors manufactured by Schurter. It is a reliable and economical film capacitor for a variety of applications. In this article, we will explore the application field and working principle of the 335PHB700K2J series.

The 335PHB700K2J series is suitable for general AC and DC voltage applications, as well as for harmonic-free and low-inductance operation. It has a low dielectric loss factor and a high capacitance retention over a wide range of temperature and frequency. The series has a self-healing element and a robust design which makes it suitable for use in many different high-stability power applications, such as switch-mode power supplies, inverters, and charger circuits. It is also suitable for automated board-level soldering and is RoHS compliant.

The working principle of the 335PHB700K2J series capacitor is based on the principles of dielectrics. This type of capacitor is constructed with metallic electrodes separated by a dielectric material, such as polypropylene film. When a voltage is applied across the electrodes, a current flow is established and a capacitance is formed between the electrodes. This capacitance stores electrical energy in the form of an electrical field between the electrodes.

The capacitance of the 335PHB700K2J series is determined by the physical properties of the dielectric material. The dielectric material used in the series is polypropylene film which has an excellent dielectric constant, making it very efficient for storing electrical energy. This also makes the series suitable for applications demanding high stability over a wide voltage and temperature range. Additionally, the polypropylene has excellent insulation properties and high dielectric strength.

In addition to its excellent electrical properties, the 335PHB700K2J series also features a long life span due to its self-healing element. The self-healing process occurs when transient overvoltages result in the formation of partial discharge on the insulation surface. The discharge erodes away the film dielectric to form miniature shunts that bridge the gap between the electrodes. The bridging reduces the capacitance until it is eventually completely discharged. The dielectric will then rebuild itself, thus restoring the capacitance to its original value.

The 335PHB700K2J series is ideal for many applications that require high reliability and long-service life. These include various power supplies, LED lighting, medical equipment, automotive electronics and control systems, and home appliances. Its excellent electrical and insulation properties, in combination with its self-healing element, make it an excellent choice for these applications. It is therefore an ideal component for use in a wide range of electrical and electronic circuitry.

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