ECQ-E2103KB

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Film capacitors are electric components that use thin plastic film as the dielectric medium, rather than the insulating paper and oil combinations found in paper capacitors. The ECQ-E2103KB is one such film capacitor from Panasonic, which is used primarily in electronic switching applications, such as computer power supplies, electric power systems, motor and solenoid control, and industrial control.

This industrial-grade capacitor is a 0.1uF/50V meaning it is suitable for use up to 50V. It measures just 10mm x 17mm, and weighs just 0.8g. This makes it a great choice for use when space is at a premium and little weight needs to be added, as is the case in power supplies, motor controllers, and other electronic switching applications.

The ECQ-E2103KB has a long working lifetime of up to 10,000 hours, and is rated for temperatures from -25°C to 105°C. This makes it well-suited for applications where the capacitor may be exposed to high temperatures for prolonged periods of time. A metalized film construction also makes it highly reliable and resistant to electrical noise, making it a good choice for use in sensitive electronic switching applications.

The working principle of a film capacitor is quite simple. A two-plated capacitor comprises two conductive plates separated by a dielectric medium, which in the ECQ-E2103KB is a thin layer of polypropylene film. One of the plates is connected to the positive terminal of the capacitor, while the other is connected to the negative terminal. When a voltage is applied, charge collects on the plates, creating an electrical field in the dielectric medium, which in turn stores the electrical energy.

The ECQ-E2103KB is rated for 0.1uF/50V, meaning it can handle many long-term power supply applications. This makes it one of the most popular film capacitor types in the Panasonic line up, due to its high reliability and long working lifetime. Moreover, its small size and light weight make it an ideal choice for use in electronic switching applications where space and weight are at a premium.

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