MKP385511125JPP4T0

Operating Temperature:	-55°C ~ 110°C
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT
Lead Spacing:	1.476" (37.50mm)
Termination:	PC Pins
Height - Seated (Max):	1.280" (32.50mm)
Size / Dimension:	1.634" L x 0.709" W (41.50mm x 18.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP385
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1250V (1.25kV)
Voltage Rating - AC:	450V
Tolerance:	±5%
Capacitance:	1.1µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Film Capacitors

Film capacitors are a type of capacitor created with the dielectric materials composed of different polymeric films, such as polypropylene, polycarbonate, polyester, and polystyrene. These types of capacitors are commonly used in high frequency and high voltage applications, due to their robust construction and excellent electrical properties. In particular, the MKP3855 11125JPP4T0 is a film capacitor made from polypropylene that possesses a high performance rating and robust performance.

Application Field

The MKP3855 11125JPP4T0 film capacitor is primarily designed for high frequency and high temperature applications, such as motor drives, automotive ignition systems, in-circuit amplifiers, and voltage multipliers. It offers a wide range of benefits for these types of applications. First, the use of polypropylene film makes the MKP3855 11125JPP4T0 both durable and reliable. It is capable of withstanding temperatures up to 125°C and frequencies up to 20kHz. In addition to these temperature and frequency ratings, the capacitor offers a high insulation resistance of up to 3000MΩ. This level of high insulation resistance provides excellent protection from electrical interference and ensures reliable operation. Besides this, the MKP3855 11125JPP4T0 is also known for its high operating voltage, up to 600V. This allows it to be used in power supply systems with high output requirements. Furthermore, it has a small form factor, with dimensions of 38.00mm x 55.00mm x 24.00mm, which helps in reducing the overall size and weight of the systems.

Working Principle

The working principle of the MKP3855 11125JPP4T0 is simple. When a voltage is applied across the termina, the metalized polypropylene dielectric between the plates stores static electric charge, resulting in a potential difference between the two plates. This separation of charge forms the electrical field that can be used to store electrical energy. The MKP3855 11125JPP4T0 utilizes a special type of metalized polypropylene film that has a wide dielectric spectrum and best performance at high frequencies. This film also has high insulation resistance, allowing it to stand up to higher voltages, while still allowing the capacitance to be kept low. The result is a low ESR (Equivalent Series Resistance) and low ripple current, making the MKP3855 11125JPP4T0 an excellent choice for high frequency applications.

Conclusion

The MKP3855 11125JPP4T0 film capacitor is a highly reliable and robust capacitor designed for high frequency and high temperature applications. Its metalized polypropylene film allows for high-quality performance at high frequencies, while its high insulation resistance ensures protection against electrical interference. Additionally, its small form factor helps in reducing the size and weight of systems, making it a desirable option for many specialized applications.

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