MKP385510025JC02R0

Dielectric Material:	Polypropylene (PP), Metallized
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT
Lead Spacing:	0.295" (7.50mm)
Termination:	PC Pins
Package / Case:	Radial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 110°C
Series:	MKP385
Voltage Rating - DC:	250V
Voltage Rating - AC:	160V
Tolerance:	±5%
Capacitance:	1µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Film capacitors, also known as film dielectric capacitors, are passive electrical components consisting of one or more layers of solid dielectric materials placed between conductive plates. Commonly used film capacitors include MKP385510025JC02R0. This device is characterized very low equivalent series resistance and low dissipation factor, enabling them to be used in various applications where other capacitors fail to meet design requirements. In this article, will be discussing the application field and working principle of MKP385510025JC02R0 film capacitors.

Application Field

mkP385510025JC02R0 film capacitors are used in a range of applications including power supplies, audio and video electronics, and telecommunications. Their excellent performance characteristics include a high working frequency, low equivalent series resistance (ESR), low dissipation factor (DF), low dielectric absorption (DA), and a wide temperature range. In power supplies, it posts superior performance compared to other types of capacitors, such as ceramic, tantalum, aluminum electrolytic, and paper capacitors. It can also be used in voltage dividers, resonant circuit, energy storage and some no-load or pre-load applications. In audio and video electronics, MkP385510025JC02R0 film capacitors can be used as common-mode filters in differential amplifier circuits to suppress the DC common-mode voltage present between input and output pairs. The large capacitance values offered by these devices can rectify AC input signals and eliminate capacitive loading. They can also be used in AC coupling circuits, where lower and stable dissipation factor is critical for AC signal filtering. In telecommunications, the MKP385510025JC02R0 film capacitors are used in filters for removing the low-frequency interference signals while allowing the high-frequency signal to pass through. It can maintain high breakdown voltage and low ESR, DF and DA, making it a suitable choice for high-frequency filters in radio communication and satellite communication systems.

Working Principle

The working principle of MKP385510025JC02R0 is the same as any standard capacitor. An alternating current is applied to two conductive plates, which are separated by a thin layer of insulating material – the dielectric. The storage of charge is referred to as capacitance, which is determined by the conductive plates\' areas and the dielectric material’s properties. As voltage is applied to the conductive plates, electric field is created and charges of the same sign are stored in the dielectric material. This process is known as polarization. The resulting storage of positive and negative charges creates a net potential difference between the plates and an electric circuit is established. In the MKP385510025JC02R0 film capacitors, the dielectric material is usually made from a polyester film. This film is coated with an electrode on each side and has an overall thickness of 0.25mm. This provides the device with a low equivalent series resistance due to the thinner film, which enables it to handle higher current ratings and a lower dissipation factor. The dielectric material also has the advantage of being impervious to temperature and humidity, providing excellent temperature performance and long-term stability. The MKP385510025JC02R0 film capacitor is an excellent choice for a variety of applications, such as in power supplies, audio and video electronics and telecommunications. Its excellent performance characteristics include a high working frequency, low ESR, DF, DA and a wide temperature range. This makes it suitable for AC signals, voltage divider applications, resonant filters, and energy storage applications.

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