MKP1840368135M

Operating Temperature:	-55°C ~ 100°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):	0.709" (18.00mm)
Size / Dimension:	1.024" L x 0.335" W (26.00mm x 8.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP1840M
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1600V (1.6kV)
Voltage Rating - AC:	600V
Tolerance:	±10%
Capacitance:	0.068µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors (MKP1840368135M) are commonly used in a wide range of applications, from the power supply section in consumer electronics to automotive and sensor applications. They are designed to eliminate induced noise from switching loads in applications such as motors and lighting systems to ensure reliable and safe operation. Utilizing three-phase motor drive applications, film capacitors safely control the power switch function when a start phase is applied. Let’s take a closer look at the MKP1840368135M film capacitor to understand its application field and working principle.

Application Field

The MKP1840368135M film capacitors have many applications in various fields. It is suitable for smoothing and coupling in the power supply parts of automation, AV (Audio Video) equipment, home appliances, or lights. It is also suitable for motor control, filter circuits, power correction, and EMC/EMI interference. Film capacitors are especially featured with their low inherent loss, self-healing properties, and high stability. The MKP1840368135M is used in a wide range of applications, including switching power supplies, flyback converters, and other systems that require high DC link capacitance and high ripple current capability. In addition, these capacitors are used for EMI filter and current suppression for SMPS (Switched Mode Power Supplies) and ballast lighting products. It is also suitable for protecting electric circuits against overvoltage damage. Furthermore, these capacitors offer excellent consistent behavior with low power dissipation and exceptional dielectric stability.

Working Principle

The MKP1840368135M is a metallized polypropylene film capacitor, which combines three layers of polypropylene dielectric film and two layers of metallized electrodes. The metallized electrodes are made with an aluminum oxide layer on top for insulation and a goblet shaped conductor filling the gap of the dielectric layers. The MKP1840368135M has a wide temperature range of -55°C to +105°C and high capacitance values from 1µF to 82µF. The capacitance is formed by a combination of alternating layers of electrodes and dielectrics. The dielectric layers provide insulation and electrical energy storing capability, while the electrodes form the electrical connections to the leads. The high temperature rating of the MKP1840368135M allows for higher Ripple Currents in power applications.The MKP1840368135M also features a low ESR (Equivalent Series Resistance) and low Dissipation Factor (DF). The low ESR helps to reduce losses and high ripple currents, while the low DF helps to reduce losses over a wide temperature range. Additionally, the capacitors are self-healing, meaning that if one of the layers of the dielectric fails, the capacitor can regenerate itself, preventing further complications to the power system.

Conclusion

The MKP1840368135M film capacitors are an ideal choice for a wide range of applications, as they provide reliable power control, low losses, high ripple currents, a high temperature range, and self-healing capabilities. Their combination of low ESR and low DF also offers a low power dissipation, making them a great choice for motor control, power correction, and EMI filter circuits.

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