4SXE68M1.9X7.3

Series:	PC-CON, SXE
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Type:	Polymer
Capacitance:	68µF
Tolerance:	±20%
Voltage - Rated:	4V
ESR (Equivalent Series Resistance):	9 mOhm
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Applications:	General Purpose
Lead Spacing:	--
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.075" (1.90mm)
Surface Mount Land Size:	--
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)

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Aluminum - Polymer Capacitors: 4SXE68M1.9X7.3 Application Field and Working Principle

Aluminum-polymer capacitors, also known as polymer electrolytic capacitors, are a type of electrolytic capacitor that uses a solid polymer electrolyte instead of a paper or liquid electrolyte. They are typically small in size and offer higher capacitive values and higher voltage ratings than conventional electrolytic capacitors. The 4SXE68M1.9X7.3 is a particularly popular aluminum-polymer capacitor. This article will discuss the application field of 4SXE68M1.9X7.3 as well as its working principle.The 4SXE68M1.9X7.3 is a radial type aluminum-polymer capacitor that is designed for use in very high voltage and pulse applications. Its capacitance range is 6.8-123 µF, with operating temperature range of -55°C~+125°C. It is a non-solid electrolyte capacitor, which means it is self-healing, meaning it can safely handle overvoltages when an excessive current passes through the device. This makes it suitable for use in applications where high voltage transients are expected, such as in power supplies, UPSs and motor drives. Additionally, it features low ESR, low leakage current and high insulation resistance. As for the working principle of 4SXE68M1.9X7.3, it operates on the same basic principle as other electrolytic capacitors. It consists of two metal foil electrodes with a thin layer of solid aluminum-polymer electrolyte placed between them. When a voltage is applied across the electrodes, an electric field is created and current begins to flow between the electrodes. This is how the capacitor stores energy. The capacitance of an aluminum-polymer capacitor is determined by the area of the electrodes, the thickness of the electrolytic layer and the dielectric properties of the polymer material.To ensure optimum performance, 4SXE68M1.9X7.3 should be stored at temperatures between -40°C and +60°C with relative humidity lower than 85%. It should also not be exposed to harsh chemicals, gases or flames. The operational lifetime of this capacitor can be greatly extended by ensuring it operates at a temperature below the rated 85°C and by avoiding voltage overloading.Aluminum-polymer capacitors have become widely used in the design of power supplies, UPS systems and motor drives due to their high capacitance, high voltage rating and self-healing properties. The 4SXE68M1.9X7.3 has a particularly large capacitance and high voltage rating, making it a great choice for these applications. By understanding its application field and working principle, it will be easier to determine if it is the right capacitor for your needs.

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