ECH-U1H182GX5 Capacitors

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	--
Termination:	Solder Pads
Height - Seated (Max):	0.043" (1.10mm)
Size / Dimension:	0.079" L x 0.049" W (2.00mm x 1.25mm)
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount
Series:	ECH-U(X)
Dielectric Material:	Polyphenylene Sulfide (PPS), Metallized - Stacked
Voltage Rating - DC:	50V
Voltage Rating - AC:	--
Tolerance:	±2%
Capacitance:	1800pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Film Capacitors

A film capacitor, also known as a plastic film capacitor, is a type of capacitor that uses a thin plastic film as its dielectric, sometimes combined with paper as the electrodes. It is often used as an alternative to ceramic-based capacitors due to its lower cost and ability to provide high-frequency stability. The two most popular types of film capacitors are polycarbonate and polyester, each with different advantages and disadvantages. The ECH-U1H182GX5 is a series of capacitors produced by Eaton Technologies. Designed for use in a variety of application fields, these capacitors are based on a polycarbonate dielectric film and feature a wide operating temperature range, fast charge and discharge times, as well as high insulation resistance.

Application Field

The ECH-U1H182GX5 series is designed to be used in a variety of applications, including home audio/video systems, computer peripherals, power grids and more. In particular, these capacitors are ideally suited for use in filters, decoupling circuits and amplifier circuits, as they offer fast charge and discharge times and a wide operating temperature range. The ECH-U1H182GX5 series also has the advantage of being able to cope with high-frequency signals, making it well-suited for use in circuit boards with high data rates. Additionally, the capacitors possess a high insulation resistance and can withstand large amounts of current without damage.

Working Principle

The working principle of a film capacitor is based on the same principles as any other capacitor; an electric field is created between the two conductive plates when connected to a power source. The dielectric between the plates serves to reduce the amount of charge that can flow between them, creating a “capacitance” or storage of electric energy. This process is known as “dielectric absorption” and its effectiveness depends on the type of dielectric material used. In the case of the ECH-U1H182GX5 series, the dielectric is a polycarbonate film, which provides excellent dielectric absorption and stability at high frequencies. In addition to the dielectric effect of the material, the two electrodes on either side of the dielectric are also shaped in a way that optimizes the charging and discharging of the stored energy. This is achieved by making the edges of the electrodes pointed, which reduces the amount of charge that can escape when the capacitor is in use.

Conclusion

The ECH-U1H182GX5 series of film capacitors is an excellent choice for a variety of applications, with its wide operating temperature range, fast charge and discharge times, and low losses at high frequencies. Its polycarbonate dielectric material and optimized electrode shape makes it ideal for use in decoupling and amplifying circuits, and its high insulation resistance makes it resistant to high currents. Overall, the ECH-U1H182GX5 series of capacitors is a reliable and cost-effective solution for many applications.

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