MKP385430040JFI2B0

Operating Temperature:	-55°C ~ 110°C
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.591" (15.00mm)
Size / Dimension:	0.689" L x 0.335" W (17.50mm x 8.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP385
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±5%
Capacitance:	0.3µF
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 used in a wide variety of applications, from radio, television, and industrial electronic equipment, to medical equipment and instrumentation. This type of capacitor utilizes a dielectric film made of polyester, polyethylene naphthalate (PEN) or polypropylene (PP) to store electrical energy. The stored energy can then be used to perform a variety of tasks such as filtering or providing power buffering for other components.

The MKP385430040JFI2B0 is a film capacitor with a voltage rating of up to 5kVAC. It is non-inductive and features a low ESR value. Despite its high voltage rating, this type of capacitor has a low leakage current and excellent insulation characteristics. The capacitance value is typically between 0.01 μF and 0.1 μF. It can be used in a variety of applications such as snubbers, current transformers, power supplies, electronic ballasts, lighting systems, motor control, and high-voltage applications.The construction of the MKP385430040JFI2B0 consists of two metal foils that serve as electrodes, each of which is insulated with a film dielectric. One of the foils is polished and the dielectric is coated with a semi-conductive material which allows current to flow, however it is limited in its ability to build up electric fields. The other foil also has a dielectric coating which insulates the two electrodes. Most manufacturers will use an epoxy coating to provide additional protection. The working principle of the MKP385430040JFI2B0 is based on the same principle as all other film capacitors. When an AC voltage is applied to the terminals of the capacitor, it causes the dielectric material to become polarized and an electric field is created between the two electrodes. This electric field gives rise to the capacitor’s capacitance. As the AC voltage changes, the value of the capacitance will also change. The capacitance remains constant as long as the voltage is within the rated range of the capacitor. The MKP385430040JFI2B0 is a useful component for a wide range of applications due to its high voltage rating and low leakage current. It is also extremely reliable and has excellent insulation characteristics. Its high temperature capability makes it suitable for use in harsh environments. This type of capacitor is also relatively inexpensive and easy to find.

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