684PPB250K

Operating Temperature:	-55°C ~ 105°C
Features:	--
Ratings:	--
Applications:	Commutation; High Pulse, DV/DT; Snubber
Lead Spacing:	1.083" (27.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.787" (20.00mm)
Size / Dimension:	1.260" L x 0.433" W (32.00mm x 11.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	PPB
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	160V
Tolerance:	±10%
Capacitance:	0.68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors A film capacitor, regular capacitor, or plastic capacitor is a capacitor which uses a plastic film as the dielectric, with an air gap between electrodes. Such capacitors are usually manufactured by adding different layers of plastic films between two electrode plates which are kept at a distance. Types of film capacitors include polyester, polycarbonate, polypropylene, polystyrene, ceramic, and Teflon. Film capacitors are used for a variety of applications, ranging from providing short-term storage of electric energy to creating capacitance between two conductors at power frequencies. Due to their wide range of applications, they are also found in all sorts of electronic equipment, including televisions, radios, computers, phones, and other consumer electronics. The 684PPB250K is one such type of film capacitor used for power applications. This type is specifically designed for use in high frequency power conversion circuits.Working PrincipleFilm capacitors work based on the principle of capacitance. Capacitance is a measure of a capacitor’s ability to store an electric charge. It is created when two or more conductors are separated by a non-conductive substance, known as a dielectric. This can be any material which resists the flow of electric current, such as a plastic film. As the capacitance increases, the amount of electric charge stored in the capacitor increases. The 684PPB250K is a film capacitor designed for power applications. It uses a special kind of polymer film as the dielectric, providing a high temperature rating and surge current ratings. Its structure is composed of two conductive plates, separated by a layer of non-conductive material. The material helps to reduce electric losses, which makes it suitable for use in high frequency applications. The 684PPB250K has a high surge current rating and is therefore suitable for applications where inrush currents or ripple currents pose a problem. Its\' capacitance and voltage ratings make it suitable for switching power supplies, motor drives, and ups systems. Application FieldThe 684PPB250K is one of the most versatile film capacitors available on the market today. It is ideal for a wide range of applications, including: • Control applications – It is used in various control applications, such as DC-DC converters, frequency converters, UPS systems, and other electronic systems. • Motor drive applications – It can be used in various motor drives, such as AC induction motors, stepper motors, and brushless DC motors. • Switching power supply applications – It is used in a wide range of switching power supply applications, from basic AC adapters to high power appliances. • Photovoltaic applications – It can also be used in photovoltaic applications, such as solar panels and wind turbines. ConclusionThe 684PPB250K is a versatile film capacitor used in a variety of power applications. It offers high capacitance and tolerance ratings, making it suitable for use in high frequency power conversion circuits. It is also known for its high surge current and temperature ratings, making it suitable for a wide range of applications, ranging from control to motor drives and switching power supplies.

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