QXK2G225KTP

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	1.083" (27.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.846" (21.50mm)
Size / Dimension:	1.201" L x 0.453" W (30.50mm x 11.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	QXK
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±10%
Capacitance:	2.2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors: QXK2G225KTP Application Field and Working Principle

Film capacitors, also known as dielectric capacitors, are capacitors built with a flexible or rigid plastic film as the dielectric. The films are impregnated with special chemical materials and deposited on an aluminum foil as the electrodes, then laminated and encased. These capacitors possess a greater tolerance to overload conditions and temperature fluctuation, making them more reliable and resilient components in power systems and electronics. In this article, we will discuss the application field and working principle of QXK2G225KTP, a type of film capacitors.

QXK2G225KTP Application Field

QXK2G225KTP capacitors are designed for use in AC, DC and pulse power supply systems, being suitable for virtually any application due to their wide range of characteristics and sizes. This type of film capacitors have features such as high dielectric strength, low temperature coefficient, and low dielectric losses. Therefore, the QXK2G225KTP capacitators are suitable for high-end switch mode power supplies, HID lighting, ballasts and UPS systems, as well as other power applications. In terms of size and weight, the QXK2G225KTP film capacitors are smaller in size, having a footprint advantages over other types of capacitors.

QXK2G225KTP Working Principle

The QXK2G225KTP film capacitors are built of Kapton Polyimide film, which has very good dissipation factor and electrical stability characteristics. The capacitors usually have self-healing properties, which means that the internal microdischarge self-heals the film, allowing the capacitor to maintain its original characteristics after robust overload conditions. As for charge and discharge, QXK2G225KTP are polypropylene dielectric capacitors with standard rate of 0.07C, reaching a maximum of 0.25C rated operating conditions. This means that the rate of charging and discharging will linearly increase 0.07C under any load to a maximum 0.25C. When fully charged, QXK2G225KTP can be used until the breakdown voltage (U D) is reached and no more than half of the rated voltage (V R). After reaching the U D, the capacitors automatically switch off and will reset when the voltage drops down. The maximum operating temperature for QXK2G225KTP is 125°C and higher storage.

Conclusion

QXK2G225KTP film capacitors are highly reliable power and energysupply solutions for most power applications, boasting features such as high dielectric strength, low temperature coefficient and low dielectric losses. This type of capacitors also possess a wide range of characteristics and sizes, making them versatile components that can be used in different applications. Furthermore, they can withstand harsh environmental conditions and mechanical stress and have fast recovery times when subjected to overload, making them ideal for high-end switch mode power supply and HID lighting.

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