QXK2G683JTPTZH

Mounting Type:	Through Hole
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.492" (12.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.469" (11.90mm)
Size / Dimension:	0.610" L x 0.248" W (15.50mm x 6.30mm)
Package / Case:	Radial
Series:	QXK-ZH
Operating Temperature:	-40°C ~ 105°C
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±5%
Capacitance:	0.068µF
Part Status:	Active

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Film capacitors are an important component of electrical equipment and are widely used in the fields of electronics, aviation, aerospace, power, energy, transportation, and defense. The QXK2G683JTPTZH application field and working principle of film capacitors are discussed below.The QXK2G683JTPTZH application field consists of the fields of medical equipment, automotive electronics, audio equipment, notebook computers, digital cameras, toys, and other consumer electronics, as well as the fields of aviation, aerospace, communications, and military buildings. It is used for signal filtering, voltage stabilizing, energy storage, AC rectifying, motor starting, oscillation circuits, etc.The working principle of film capacitors is based on the electric field and dielectric polarization effect, which is related to the thickness and permittivity of the dielectric material. When an alternating or direct voltage is applied to the plates of the capacitor, an electric field is generated. The field causes the dielectric to become polarized and the dielectric material accumulates closed electric charges on its surface. As the applied voltage increases, the electric field strength increases, and the induced charges also increase. The induced charges repel each other, thereby forming a static electric field, allowing the device to store electrical energy. When a voltage is no longer applied to the capacitor, the static field will quickly disappear and the capacitor can no longer store electrical energy.The type of dielectric material used in the QXK2G683JTPTZH application field is generally polyester, polypropylene, polyurethane, etc., which have very good characteristics such as strong insulating performance, low dielectric constant, and excellent environmental adaptability. Film capacitors also have the characteristics of wide voltage range, large capacity, and high stability.Generally, the electrical characteristics of film capacitors include: capacitance, capacitance tolerance, insulation resistance, DC voltage resistance, ripple current, equivalent series resistance (ESR), and temperature coefficient. The capacitance of the film capacitor is represented by the letter C and the unit of measurement is usually the farad (F). The capacitance tolerance is the permissible deviation from the specified capacitance value, usually plus or minus 10% of the nominal capacitance value. The insulation resistance is the resistance between the electrodes of the capacitor and its case, usually expressed in megohms (MΩ). The DC voltage resistance is the maximum voltage that can be applied to the capacitor without damage, and is usually expressed in volts (V). The ripple current is the maximum alternating current that can be applied to the capacitor without damage, typically expressed in amperes (A). The ESR is the internal resistance of the capacitor, and is usually expressed in volts (V). The temperature coefficient is the change in capacitance of the capacitor for every 1°C change in temperature, and is usually expressed in parts per million (ppm/°C).In summary, film capacitors play an important role in many fields such as medical equipment, automotive electronics, audio equipment, notebook computers, and digital cameras, among others. The basic working principle of the capacitor is based on the electric field and dielectric polarization effect. The electrical characteristics of film capacitors must be taken into account in order to ensure the optimal performance of the device.

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