ECW-F4754RHL

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	High Frequency, Switching
Lead Spacing:	0.295" (7.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.949" (24.10mm)
Size / Dimension:	0.807" L x 0.484" W (20.50mm x 12.30mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECW-F(L)
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	--
Tolerance:	±3%
Capacitance:	0.75µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Film Capacitors

ECW-F4754RHL application field and working principle

A film capacitor is a type of capacitor constructed with a flexible polymeric film plastic as the dielectric, with electrodes deposited on the surface of the film and metal terminals to feed current from the leads into the capacitor. Film capacitors are used in many applications, such as matching stages, filter blocks, power filters, amplifiers, oscillator circuits, transmission lines, video signals, low and high frequency filtering, and decoupling in power supplies.ECW-F4754RHL film capacitors are a type of metallized film capacitors used for high voltage AC and DC applications. ECW-F4754RHL capacitors are designed to operate in a temperature range of -55°C to 105°C. The capacitors have a capacitance range from 0.047 to 4.7uF and a voltage rating of 275VAC/400VDC. The capacitors are designed with a cylindrical metallized polyester film dielectric, and they feature a dual-layer epoxy resin coating.The ECW-F4754RHL capacitors have several benefits, such as low leakage current, low equivalent series resistance (ESR), good insulation properties, high capacitor ratings, reliable performance in high temperature environments, and high long-term stability. The capacitors are also flame retardant and vibration resistant and are suitable for use in high temperature applications.The working principle of an ECW-F4754RHL film capacitor is based on Faraday’s law of induction. In a capacitor, two conductors separated by an insulator (the dielectric material) form an electric field. When a voltage is applied to the capacitor, current flows through the conductors, which creates a static electric field between them. This field produces an electric displacement within the dielectric material. When the voltage is removed, the electric field dissipates, leaving no energy stored within the capacitor. This process is called charge-discharge cycle, and it is how film capacitors are able to store and release energy.The primary application fields for ECW-F4754RHL film capacitors include AC and DC power supplies, motor drives, wind power, UPS systems, equipment power conditioning, grid energy storage, inverters, and other high voltage applications. In addition, film capacitors are used in communication equipment such as modems, DSL and fiber-optic systems, as well as in medical instrumentation systems, electronic lighting, automotive electronics, and other electronic devices.Film capacitors are highly reliable due to their robust construction and stable electrical characteristics. They are also low-cost, easy to manufacture, and easy to install. Furthermore, film capacitors are resistant to vibration and shock, and have a wide temperature range. For these reasons, film capacitors are widely used in all types of high voltage electronic systems.Film capacitors are also known for their long lifetime and reliability. They typically have longer lifetimes and better aging characteristics than other types of capacitors due to their low ESR and high temperature capabilities. In addition, films capacitors have strong dielectric properties, making them suitable for use in high voltage applications.In summary, ECW-F4754RHL film capacitors are a type of high voltage capacitors designed for AC and DC applications. The capacitors have a temperature range of -55°C to 105°C, and feature a dual-layer epoxy resin coating. They have a wide range of applications, from power supplies and motor drives to grid energy storage and fiber-optic systems. They are also known for their excellent electrical characteristics, high temperature capabilities, long lifetime and reliability, and vibration and shock resistance.

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