MKP385475040JII2B0

Operating Temperature:	-55°C ~ 110°C
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT
Lead Spacing:	0.886" (22.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.768" (19.50mm)
Size / Dimension:	1.024" L x 0.394" W (26.00mm x 10.00mm)
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:	0.75µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Film Capacitors

A film capacitor is a type of capacitor that uses a thin film of metal, paper, mylar, polyester, or ceramic as the dielectric material. It is constructed by rolling and laminating the film onto a cylindrical core. Film capacitors are used extensively in many electronic devices, from individual components to complex electrical systems.

Types of Film Capacitors

Film capacitors are available in several different types of construction. These are: mylar, polyester, paper, and ceramic. Mylar film capacitors are most commonly used for high frequency applications. The dielectric film is made from a type of plastic called polyethylene terephthalate (PET). It is lightweight, durable, low cost, and relatively easy to manufacture.Polyester film capacitors are similar to mylar, but they have a thinner dielectric film. These types of capacitors are often used in Switch Mode Power Supplies (SMPS) and deflection systems. Polyester film capacitors are also used in audio and video applications.Paper film capacitors are used when very high capacitance is needed, and they can be used up to a few hundred kHz. While they are typically not as reliable as the other types of capacitor, they are less expensive. Ceramic film capacitors are designed to perform at high frequencies. This type of capacitor is extremely stable and has very low loss. Ceramic film capacitors are commonly used in telecommunications, radio-frequency systems, and digital switching applications.

MKP385475040JII2B0 Film Capacitor

The MKP385475040JII2B0 is a type of film capacitor that is constructed with polyester as the dielectric material. This capacitor has a capacitance of 38 µF, a voltage rating of 50 VDC, and a tolerance of ±20%. It is designed to operate at temperatures ranging from -25°C to +105°C.The MKP385475040JII2B0 is suitable for use in a variety of applications, including power supplies, signal processing, and other electronic circuits. This capacitor is designed to provide low ESR, low leakage, and high dielectric strength in a compact package. It features high self-healing properties and high frequency insulation characteristics.

Working Principle of MKP385475040JII2B0

When electrical energy is applied to a capacitor, it will store a charge. This charge is stored in the form of an electrical field between two plates and can be released when needed. The amount of charge stored in a capacitor is determined by its capacitance. The MKP385475040JII2B0 is a polyester film capacitor with a capacity of 38 µF. This means that the capacitor can store and release a charge of 38 µF when electrical energy is applied to it. The voltage rating of the capacitor determines the maximum voltage that can be applied without damaging it. When an AC voltage is applied to the capacitor, it will begin to charge and discharge, creating a cycle of alternating current (AC) and direct current (DC). This cycle of AC and DC is used to filter out high-frequency signals and reduce electrical noise in the circuit. The capacitor also acts as a filter to reduce the harmonic content of the signal.

Conclusion

The MKP385475040JII2B0 is a type of film capacitor that is constructed with polyester as the dielectric material. This capacitor is designed to provide low ESR, low leakage, and high dielectric strength in a compact package. It is suitable for use in a variety of applications, including power supplies, signal processing, and other electronic circuits.The working principle of this capacitor is based on the fact that it can store and release a charge of 38 µF when electrical energy is applied to it. When an AC voltage is applied to the capacitor, it will begin to charge and discharge, creating a cycle of AC and DC. This cycle is used to filter out high-frequency signals and reduce electrical noise in the circuit.

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