MKP1839127634

Operating Temperature:	-55°C ~ 100°C
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Pulse, DV/DT
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	0.197" Dia x 0.433" L (5.00mm x 11.00mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Series:	MKP1839
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	630V
Voltage Rating - AC:	250V
Tolerance:	±5%
Capacitance:	270pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Film Capacitors

Film capacitors are a type of capacitor that uses a film as a dielectric medium. This type of capacitor is made of thin plastic films such as polyester, polypropylene, polycarbonate, polyethylene terephthalate (PET), and so on. They are known for being able to handle very high voltages and relatively high temperatures. Due to their low cost, high reliability, long service life, and overall versatility, film capacitors are increasingly being used in a variety of applications related to low-frequency power conversion, motor control, instrumentation, and high-frequency local and global communication systems.

Application Field and Working Principle of MKP1839127634

MKP1839127634 is a type of large-capacity, high-voltage PP film capacitor designed specifically for low-frequency applications. This type of capacitor is used in applications such as DC-DC power supplies, high voltage switching power supplies, and motors for high-voltage DC applications.The MKP1839127634 is a two-pole, galvanically isolated PP film capacitor with a dielectric of polypropylene. It is designed to be used in high voltage and high power applications that require a large capacitance in a compact package. Its main features are its low ESR, wide capacitance range from 500μF up to 3000μF, high working voltage range from 500 VDC to 2000 VDC, and high voltage without corona effects up to 15 kVrms.The MKP1839127634 works by combining two distinct physical processes: electrostatic and electrolytic capacitance. Electrostatic capacitance is a result of electrical charges which build up on the thin plastic film of the capacitor when energized by a voltage over the applied voltage range (dielctric strength). The charge generated by polypropylene is what makes it a superior choice for large capacitance.The electrolytic capacitance of the MKP1839127634 is a result of alternating current (AC) passing through the capacitor which causes a second electrical current to charge and discharge the capacitor. This second current is called the displacement current, and it is the current that is stored on the capacitor which is responsible for the capacitance.Finally, the remaining dielectric and series resistance of the capacitor act as additional voltage-restriction mechanisms, limiting the maximum voltage that the MKP1839127634 can withstand. Due to its high capacitance, low ESR, and wide voltage range, the MKP1839127634 is an ideal choice for low-frequency applications such as motor control, power conversion, and instrumentation.

Conclusion

In conclusion, the MKP1839127634 is a type of film capacitor which makes use of both electrostatic and electrolytic capacitance. It is designed for low-frequency applications that require a large capacitance in a small package. Its main features are its low ESR, wide voltage range, and high capacitance. Therefore, it can be used in applications such as DC-DC power supplies, high voltage switching power supplies, and motors for high-voltage DC applications.

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