Dielectric Material:	Polypropylene (PP), Metallized
Features:	--
Ratings:	X1
Applications:	EMI, RFI Suppression
Lead Spacing:	0.886" (22.50mm)
Termination:	PC Pins
Height - Seated (Max):	--
Package / Case:	Radial
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 110°C
Series:	B32913
Voltage Rating - DC:	--
Voltage Rating - AC:	440V
Tolerance:	±20%
Capacitance:	0.082µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Introduction

Film capacitors are the most widely used type of capacitor, and are present in almost all electronic circuits. In general, film capacitors are designed to be extremely compact, allowing for high capacitance ratings in a small form factor. They are commonly used in a variety of applications, including power supply filtering, power factor correction, or motor speed control.The B32913A4823M film capacitor, produced by EPCOS, is a type of metallized polypropylene film capacitor available in axial and through-hole configurations. This capacitor is designed for both automotive and industrial applications, and is available in capacities up to 3µF with voltage ratings up to 600V.

Application Field

The B32913A4823M is suitable for a variety of automotive and industrial applications. Its high capacitance and low ESR make it particularly well suited for power supply filtering and power factor correction. In addition, these capacitors can be used in motor speed control applications where voltage ratings up to 600V are required.In automotive applications, the B32913A4823M is ideal for use in engine start/stop systems, as well as other ignition systems, as its high capacitance and long term stability make it a reliable component. This particular model also has built-in overvoltage and reverse current protection, making it perfect for automotive applications where these features are necessary.

Working Principle

The B32913A4823M is a metallized polypropylene film capacitor, meaning it operates on a Faraday cage principle. This type of capacitor is constructed with multiple layers of polypropylene film each separated by an aluminum layer, which is coated with an electrically conductive material.The alternating layers of film and metal form a Faraday cage, which creates an electrostatic field between the plates. This electrostatic field results in the capacitance of the device, allowing it to store charge and release it when needed. The capacitance of the B32913A4823M is dependent on its physical size and the number of layers of film and aluminum.

Conclusion

The B32913A4823M film capacitor from EPCOS is an ideal choice for both automotive and industrial applications. Its high speed and high capacitance ratings make it suitable for power supply filtering and power factor correction applications, while its long-term stability and built-in overvoltage and reverse current protection make it a great choice for automotive applications. The Faraday cage principle of this capacitor allows it to store an electrostatic charge, creating the capacitance necessary for the device to function.

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