MKP386M520125JT2

ESR (Equivalent Series Resistance):	5.5 mOhms
Features:	Low ESR
Ratings:	--
Applications:	Snubber
Lead Spacing:	0.244" (6.20mm)
Termination:	Screw Terminals
Height - Seated (Max):	1.811" (46.00mm)
Size / Dimension:	1.732" L x 1.181" W (44.00mm x 30.00mm)
Package / Case:	Rectangular Box
Mounting Type:	Chassis Mount
Operating Temperature:	-55°C ~ 105°C
Series:	MKP386M
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1250V (1.25kV)
Voltage Rating - AC:	550V
Tolerance:	±5%
Capacitance:	2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors are widely used in a variety of electronic devices, including MKP386M520125JT2, and they constitute one of the most important components used in electronic engineering. In this article, we will discuss the application field and working principle of MKP386M520125JT2 film capacitors.

Application Field

MKP386M520125JT2 film capacitors are widely applied in power-electronic components for switching power supplies and inverters. They offer superior performance in applications where low ESR (Equivalent Series Resistance) and high frequency characteristics are important.MKP386M520125JT2 film capacitors can also be used in high-voltage DC/AC inverters, such as those used for 3-phase motor drives, or in motor control applications. Furthermore, since these capacitors are self-healing, they offer excellent protection against dielectric breakdown. In addition, MKP386M520125JT2 film capacitors are suitable for use in high-power applications, such as audio power amplifiers and Electro-Magnetic Interference (EMI) filter applications.

Working Principle

MKP386M520125JT2 film capacitors are made of a polypropylene film with an aluminum foil laminate on its surface. This makes them very stable and reliable for high-voltage applications.The construction of MKP386M520125JT2 film capacitors enables them to withstand high voltage and high frequency conditions. The aluminum foil is built in a way that it wraps spirally around the polypropylene film, which prevents the capacitor from breaking down or arcing due to high voltage or frequency. The aluminum foil also helps in improving the capacitors’ ESR values.When the voltage applied to the capacitor is increased, the aluminum foil creates a localized electric field that causes the capacitance of the capacitor to decrease. This phenomenon is known as the "dielectric absorption" effect. It makes the capacitors resistant to high-voltage and high-frequency conditions.In addition, MKP386M520125JT2 film capacitors are self-healing, meaning that if the dielectric material (polypropylene film in this case) is damaged due to an electrical surge, it will automatically heal itself. This self-healing feature makes the capacitors highly reliable, as they can withstand high voltages and frequencies without the need for extensive maintenance or repairs.

Conclusion

MKP386M520125JT2 film capacitors are an invaluable component in the world of electronics, offering superior performance in applications where high voltage and frequency characteristics are important. They are versatile components used in a variety of fields, ranging from power electronic components to high-power audio applications. Moreover, since they are self-healing, they provide excellent protection against dielectric breakdown.

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