Operating Temperature:	-40°C ~ 85°C
Features:	--
Ratings:	X2
Applications:	EMI, RFI Suppression
Lead Spacing:	0.531" (13.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.591" (15.00mm)
Size / Dimension:	0.669" L x 0.256" W (17.00mm x 6.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECQ-UN
Dielectric Material:	Polyester
Voltage Rating - DC:	--
Voltage Rating - AC:	250V
Tolerance:	±20%
Capacitance:	4700pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors: ECQ-U2A472MN Application Field and Working Principle

Film capacitors, also known as film dielectric capacitors, film AC capacitors, and plastic film capacitors, are widely used in AC circuits due to their advantages, such as high dielectric strength, high capacitance, wide frequency range, and non-polar characteristic. In total, film capacitors cover a variety of applications in modern industry. In this article we will focus on a specific product; the ECQ-U2A472MN film capacitor with its application field and its working principles.ECQ-U2A472MN is a Metallized polypropylene (Mpp) film capacitor developed by the Cornell Dubilier Electronics Company. It is a radial-lead, non-inductive capacitor, with specific features and characteristics that make it suitable for use in many electronic circuits. It is a low profile capacitor, measuring 0.19" in diameter and 0.27" in length, making it suitable for space-sensitive applications. The ECQ-U2A472MN has a nominal capacitance of 0.0047µF and a maximum voltage rating of 350VAC.The ECQ-U2A472MN Mpp film capacitor is designed to be used in a variety of circuits, including DC-to-DC converters, power supplies, switching power supplies, AC motor drives, instrumentation, and high voltage switching applications. It is an ideal choice for use in applications that require a low ESR, low inductance, low profile, and high wet voltage tolerance, as it is built with a robust construction of double-sided Mpp film and aluminum foil electrodes.The working principle behind the ECQ-U2A472MN capacitor is relatively simple. A capacitor is a device that stores energy in an electric field. The ECQ-U2A472MN uses a thin film dielectric insulator such as polypropylene to store energy. A conductor on either side of the insulator creates two parallel plates which form the electric field when a voltage is applied. The amount of energy the capacitor is able to store is determined by the size of the plates, the medium between them, and the voltage that is applied.In the case of the ECQ-U2A472MN, the capacitor has two parallel plates, which are separated by a thin polypropylene dielectric material. When a voltage is applied to the capacitor, the electric field between the two plates is created and the capacitor starts to accumulate energy. The capacitance of the ECQ-U2A472MN is determined by the size of the plates, the thickness of the dielectric material, and the voltage applied.In conclusion, the ECQ-U2A472MN is an AC capacitor specifically designed to be used in a variety of circuits, such as DC-to-DC converters, power supplies, motor drives, and switching power supplies. Its relatively low profile and robust construction make it suitable for space-sensitive applications. The working principle behind the capacitor is a simple one; two parallel plates create an electric field when a voltage is applied and is stored in a dielectric material such as polypropylene, resulting in a capacitance that is determined by the size of the plates, the thickness of the dielectric material, and the voltage applied.

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