MKP383291025JCI2B0

Film Capacitors

Film capacitors, also known as polyester capacitors, are non-polarized, surface-mounted energy storage components used in a variety of applications. The MKP383291025JCI2B0 is one such capacitors, which serves as a general-purpose energy storage device.

Application field

The MKP383291025JCI2B0 is primarily used as a power source by providing energy storage and filtering in devices such as audio systems, power amplifiers, electronic instruments, and power supplies. Moreover, the low current leakage allows it to be used as an AC input filter capacitor in AC circuits.

Working Principle

The MKP383291025JCI2B0 has a dielectric of polypropylene film and copper-clad steel leads, resulting in a rating of 0.3uF, 630VAC, 25MM. It’s built to be general-purpose, designed to work in a wide range of temperature and humidity conditions, and has an operating lifetime of 5000 hours. Using a positive temperature coefficient, it is able to withstand high temperature and still maintain its functionality.

The capacitor relies on the electrical field created between two parallel plates, that of the electrodes and the dielectric, to build up and store electrical energy. One plate is made of metal foil and the other of a dielectric insulator, such as polypropylene. In a basic film capacitor configuration, voltage applied to one of the plates will create an electrical field that crosses the gap between the two plates. Inside this field, the dielectric will separate the opposite charges, thus allowing current to pass while storing energy.

Further, it is designed to reduce the possibility of failure by being able to handle high surges or breakdown of the unit. Additionally, the capacitance is stable over a wide temperature range and it also has low self-inductance allowing the capacitor to switch quickly and reduce power losses.

Overall, the MKP383291025JCI2B0 is a versatile, general-purpose film capacitor used widely in many everyday applications, such as audio equipment and power supplies. It is a reliable energy storage device, able to reliably handle high temperature, voltage, and power surges.