256PHC250K

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Film capacitors (including polyester, polypropylene, metalized polypropylene, and polyphenylene sulphide) are traditionally divided into two classes: AC and DC applications. Although there are many distinctions between these two applications, the core function of both components is the same: storage of electrical energy in an alternating current or direct current environment. The goal of this article is to explore the application field and working principle of one particular film capacitor, the 256PHC250K.

The 256PHC250K is a high-density, polyester film capacitor with a low ESR rating. It is primarily used in applications where a large capacitance value is required while maintaining a low power dissipation. This makes it ideal for use in switching power supplies, servo mechanisms, high voltage DC motor controllers, and other high-frequency electronic applications. The 256PHC250K has a rated capacitance of 250,000 μF (pF) and is rated for operation in a temperature range of -55°C to +105°C.

The working principle of the 256PHC250K is based on electrostatic energy storage. The dielectric material stores electrical energy through the establishment of an electric field between two conducting plates; this electric field acts as a storage reservoir for the electrical energy. The electric field is created when electric charges of opposite polarity are held on the capacitor\'s conducting surfaces (usually the two dielectric plates). As voltage is applied, the capacitance of the system increases and the charge stored increases in relation to the applied voltage.

The dielectric material acts as a barrier between the two conducting plates, which helps to maintain the electric field and provides a low resistance path for current flow. The current is dependable on the dielectric’s permeability and the battery’s capacitance. The 256PHC250K has a Dielectric Loss Factor of 0.1% and a Dissipation Factor (DF) of 1-3%. This means that it is capable of sustaining high-frequency loads without significant power losses.

The 256PHC250K also has a high Dielectric Strength Rating of 4.7kV. This means that it can operate in very high voltage applications without being damaged. To ensure reliability and maximum performance, it is important to maintain the specified temperature range as well as suitable mounting and insulation conditions. Properly maintained, the 256PHC250K can offer a reliable performance over an extended period of time.

In conclusion, the 256PHC250K is a high-density polyester film capacitor, well-suited for high-frequency and high-voltage applications. It has a high Dielectric Strength Rating and a low ESR rating, making it ideal for power supplies and other electronic components. The 256PHC250K’s working principle is based on electrostatic energy storage, and its high power dissipation capabilities make it ideal for use in a wide range of applications.

The specific data is subject to PDF, and the above content is for reference