B32021A3103M189

Operating Temperature:	-40°C ~ 110°C
Features:	--
Ratings:	Y2
Applications:	EMI, RFI Suppression
Lead Spacing:	0.394" (10.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.472" (12.00mm)
Size / Dimension:	0.512" L x 0.236" W (13.00mm x 6.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	B32021
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	300V
Tolerance:	±20%
Capacitance:	10000pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Application Field and Working Principle of B32021A3103M189 Film Capacitors

A film capacitor, also known as a plastic film capacitor, polyester capacitor, or PET capacitor, is a type of electrical component used in a variety of applications. Film capacitors are characterized by their small size, low leakage current, and excellent insulation properties, as well as their stable temperature coefficient. Film capacitors are often used in place of electrolytic capacitors in tight spaces, as their size and cost effectiveness make them attractive to designers.The B32021A3103M189 is a type of film capacitor developed by Panasonic. This capacitor is designed to provide reliable operation in a wide range of applications. It is constructed with a PET film dielectric and a self-healing cathode, resulting in an excellent voltage withstand capability and a long service life. Additionally, it is resistant to continuous overvoltage, and its performance remains stable over a wide temperature range of -55°C to +125°C.The B32021A3103M189 is designed for uses such as power supplies, microwave ovens, automotive electronics, LED lighting, and fluorescent lamp ballasts. Its small, low-profile design, along with its excellent electrical properties, make it suitable for high-density and high-frequency applications. Additionally, its excellent insulation properties make it suitable for use as an AC capacitor.When the B32021A3103M189 is used as an AC capacitor, it works through the principles of dielectric absorption and electric displacement. Dielectric absorption occurs when an electric field is applied to a dielectric material, causing it to become polarized. This polarization causes a small amount of energy to be stored in the material. As the electric field is increased, the amount of energy stored in the dielectric material increases. The electric displacement principle states that when an electric field is applied to a dielectric material, charges are induced on the surface of the material. This electric displacement is what causes the material to become polarized, and is an important factor in how capacitors work. When the B32021A3103M189 is used in an AC circuit, it works by absorbing electric energy from the alternating current and storing it in the dielectric material. This stored energy is then released as the voltage cycle begins to reverse. As the current changes direction, it causes a decrease in electric field, which allows the stored energy to be released back to the circuit. This charge and release cycle happens rapidly, allowing AC circuits to be powered with minimal voltage drops.The B32021A3103M189 film capacitor is a reliable and cost effective solution for a wide range of applications. Its excellent electrical properties, along with its small size and low profile, make it an attractive choice for designers. Its ability to withstand continuous voltage and withstand temperature make it suitable for use in harsh environments. Additionally, its ability to absorb and store electric energy and its electric displacement principles make it suitable for use in AC circuits.

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