R46KI26800001M

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Film Capacitors

Capacitors are components used to store electric energy and are among the most commonly used components in electronics. Film capacitors are types of capacitors that use thin dielectric films, such as polyester (PET) or polypropylene (PP) as their dielectric material. They are relatively inexpensive and can provide greater stability, reliability and higher capacitance than comparable ceramic capacitors.

Film capacitors are often used in applications where stability and reliability are important such as in power supplies, medical electronics, and high-end audio/video systems. This article will focus on the R46KI26800001M film capacitor, in particular its application field and working principle.

Specifications of R46KI26800001M

The R46KI26800001M is a film capacitor that consists of a metalized film and a metal case. It has a rated capacitance of 1 µF, working voltage of 250 VDC and Dissipation Factor of 0.2 @ 1 kHz. The capacitor also has an operating temperature range of -40 to 85 degrees Celsius. It is designed for general purpose use and is RoHS Compliant.

Application Field of R46KI26800001M

R46KI26800001M film capacitor can be used in a variety of applications such as in power supplies, switching power supplies, LED backlight, LCD monitors, LED TVs, large scale wind power and solar energy systems, electrostatic printing machines, IoT, server power supplies, cooler fans, and air conditioners. Besides, this capacitor also has extensive applications in automotive, industrial, medical and military fields.

Working Principle of R46KI26800001M

A film capacitor works by storing electric energy between two metal plates that are separated by a dielectric material, such as a plastic film. The dielectric material acts as an insulating barrier that prevents the plates from coming into contact with each other and thus stores energy in the form of an electrical field. When a voltage difference is applied across the plates, the plates will repel each other and store the electric energy as an electrical field.

Since the capacitance of a film capacitor is determined by the area of the plates and the thickness of the dielectric material, increasing the area of the plates or decreasing the thickness of the dielectric material will increase the capacitance. The amount of electric energy that can be stored in the capacitor is proportional to the capacitance and the voltage applied across the plates.

R46KI26800001M uses metallized film and a metal case as capacitive plate. The metalized film substrate is made of an insulating material such as plastic, with metal on both sides. This configuration allows the capacitor to store more electric energy than regular film capacitors as the metal layers increase the stored electric charge.

In addition, the use of a metal case provides better protection and cooling to the capacitor, allowing it to operate within its rated voltage for a longer period of time. As a result, R46KI26800001M is a highly reliable and stable capacitor, suitable for applications that require such properties.

Conclusion

R46KI26800001M is a polyester film capacitor with a wide range of applications, such as power supplies and LED TVs. It has a capacitance of 1 µF and a working voltage of 250 VDC. This capacitor utilizes a metalized film and a metal case to provide increased electric energy storage and better protection and cooling. It is suitable for applications that require stability and reliability, such as medical electronics, high-end audio/video systems, and IoT.

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