DPP4S22K-F

Operating Temperature:	-55°C ~ 105°C
Features:	Low ESR
Ratings:	--
Applications:	High Frequency, Switching
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.787" (20.00mm)
Size / Dimension:	0.768" L x 0.394" W (19.50mm x 10.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	DPP
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	250V
Tolerance:	±10%
Capacitance:	0.022µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors are electrical components that store electrical charge through the use of a thin layer of insulating material on one or both sides of a sheet of metalized plastic film. This type of capacitor is found in many different applications, such as in motor running equipment, consumer electronics, entertainment electronics, and industrial control systems. The DPP4S22K-F is a film capacitor specifically designed for general AC applications, and has a total capacitance of 22 nF, a voltage rating of 400 V, and a capacitance tolerance of ±10%.

DPP4S22K-F Application Fields and Working Principles

Film capacitors are used in a variety of applications due to their unique properties. They are particularly useful for applications requiring low-leakage current, high withstand voltage, resistance to heat and vibration, and accuracy in charge capacity. Examples of DPP4S22K-F application fields include medical equipment, lighting, motor control, robotics, consumer electronics, and various radio frequency applications.The DPP4S22K-F utilizes a polypropylene film, which is a plastic based film made to provide high dielectric strength while also keeping very low leakage current. The capacitor is made up of two plates sandwiched between multiple sheets of polypropylene film. These plates are conductive to the input electricity but isolated from each other through the plastic film.When electricity is applied to the DPP4S22K-F capacitor, a voltage is applied across plates, which causes a charge to build up between them until a certain voltage is reached. At this voltage, capacitance is reached and a steady state of charge is maintained at the capacitor. The voltage across the capacitor remains constant until the charge is released due to a change in the voltage on either plate.The DPP4S22K-F is often used for filtering and decoupling applications. The capacitor is placed at the entrance of an AC circuit to filter out electromagnetic noise, and it can also be used in parallel with a resistive load to limit the current flowing through the circuit.In terms of working principles, the DPP4S22K-F capacitor works by storing electric charge, which is built up differently depending on the type of voltage applied to the plates. In AC circuits, the charging and storing of electric charge occurs periodically when the voltage across the capacitor rises and falls. In DC circuits, charging is more uniform and gradual, and the buildup of charges takes place over a much longer time.

Conclusion

The DPP4S22K-F is a specialized film capacitor designed for applications that require a high voltage rating, low leakage current, and high dielectric strength. The device performs well for filtering, decoupling, and other applications where precision control of electric currents is needed. With its low cost, durable design, and reliable performance, the DPP4S22K-F has become an invaluable component in a variety of industry sectors.

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