B81130C1474M

Operating Temperature:	-40°C ~ 100°C
Features:	--
Ratings:	X2
Applications:	EMI, RFI Suppression
Lead Spacing:	0.886" (22.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.650" (16.50mm)
Size / Dimension:	1.043" L x 0.413" W (26.50mm x 10.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	B81130
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	275V
Tolerance:	±20%
Capacitance:	0.47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors are an important part of any electrical system, providing electrical storage for signaling, charge injection, and displacement current. They are a relatively simple device composed of two layers of conductive material (with an insulating layer in-between) that carry a electrical charge. Film capacitors utilizing a thin polypropylene dielectric film are used in demanding applications that require exceptional performance such as medical, military, and aerospace. The B81130C1474M is a film capacitor manufactured by EPCOS. It has a Rated Voltage of 630VAC and a Rated Capacitance of 47µF. This capacitor provides excellent temperature stability, low ESR and high insulation resistance. It is designed specifically for use in high temperature conditions and is rated to an operational temperature of up to 150°C.The B81130C1474M is primarily used in switch-mode power supplies for electrical applications such as voltage stabilization, wave-shaping, energy storage, and EMC suppression. It is used to ensure a stable voltage supply in these applications as power is transferred from one component to another. It can also be used to reduce undesirable voltage spikes and harmonics in AC circuits. The construction of the B81130C1474M is based on the Metallized polypropylene film capacitor technology. This technology is ideal for high-frequency requirements, such as switch-mode power supplies, as the Metallized layers have a high rate of charge/discharge. It is also possible to connect several layers of the Metallized film together to form a “multi layered” capacitor design.The working principle of the B81130C1474M is the same as any other type of capacitor. When a voltage is applied across the two plates of the capacitor, a charge is induced into the plates. This charge is stored in the electrostatic field between the two plates. When the applied voltage is removed, the charge is then discharged as current. This current is then used for various applications as needed.In applications where fast switching is required, the B81130C1474M is able to provide a high rate of charge and discharge, on the order of 1 million cycles a second. This means that the capacitor can quickly provide the required charge associated with the application and will help minimize any delays in the switching process.Overall, the B81130C1474M is an excellent choice for a wide range of applications where improved electrical stability is required. Its high operating temperature rating and high rate of charge/discharge make it suitable for use in high temperature electrical systems, such as those found in military, aerospace, and medical applications.

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