MKP386M540085JT3

ESR (Equivalent Series Resistance):	3.5 mOhms
Features:	Low ESR
Ratings:	--
Applications:	Snubber
Lead Spacing:	--
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:	850V
Voltage Rating - AC:	450V
Tolerance:	±5%
Capacitance:	4µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors have a long history in the electronics industry. Invented to reduce the size and weight of capacitors, this type of capacitor uses a dielectric film made of polymers or other materials, such as paper, to store electrical energy.Because polymers are much thinner than traditional capacitors, film capacitors can achieve much higher capacitance values. This allows them to store more charge in the same space, increasing the electrical current they can handle. The main advantages of film capacitors are their relatively low self-inductance, small size, high insulation resistance, broad temperature range, low dielectric absorption, high-frequency response, and long term reliability.One type of film capacitor is the MKP386M540085JT3. This type of capacitor is specifically designed to meet the demands of high-frequency, high-power applications. It is a Metalized Polypropylene capacitor, which is capable of achieving a dielectric absorption ratio of just 0.5%. Additionally, this model offers a low self-inductance of just 0.05UH, a wide temperature range of -55ºC to 85ºC, and an insulation resistance of more than 100GW.The MKP386M540085JT3 is typically used in automotive electronics, such as audio systems and engine control systems, due to its low ESR and significant capacitance. It is also used in electrical switchgear, vane motors, and home appliances.When using MKP386M540085JT3 capacitors, several factors must be taken into consideration in order to ensure proper functioning. These include selecting the right capacitance for the circuit, calculating the RC time constant, and ensuring correct soldering techniques.The working principle of the MKP386M540085JT3 capacitor is similar to any other capacitor. The film in between the electric conductors forms an insulating layer known as the dielectric. When a voltage is applied to the terminals of the capacitor, it stores electrical energy in the form of an electrostatic field created between the conductors. As the voltage across the conductors increases, the electric field becomes stronger, increasing the capacitance of the capacitor.In order to achieve an optimal performance, the MKP386M540085JT3 capacitor should be installed in a clean and dry environment. Furthermore, if it is to be used within a system with a wide dynamic range, it should be mounted using a shielded enclosure to reduce interference. The capacitance should also be closely matched to the requirements of the circuit; if the capacitance is too high, it can cause inductance and reduce performance.In conclusion, the MKP386M540085JT3 capacitor is an ideal solution for high-power, high-frequency applications. It has an extremely low self-inductance and high insulation resistance, making it suitable for use in a variety of automotive, home appliance, and industrial applications. Careful consideration of the environment and the capacitance value must be taken into account when using this type of capacitor in order to get optimal performance.

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