400LSU12000MNB90X191

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	7.638" (194.00mm)
Size / Dimension:	3.543" Dia (90.00mm)
Lead Spacing:	1.236" (31.40mm)
Ripple Current @ High Frequency:	44.1A @ 10kHz
Ripple Current @ Low Frequency:	31.5A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LSU
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	5000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	12000µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors, also known as aluminum capacitors, is a kind of capacitors that uses an electrolyte of a certain conductive solvent and a certain concentration of aluminum oxide as the dielectric. The 400LSU12000MNB90X191 capacitor is one type of aluminum electrolytic capacitors. It is a low profilecapacitor that has extended temperature range. It is suitable for use in a wide range of applications where high voltage, large capacitance and low profiles are needed. This paper will discuss the application field and working principle of the 400LSU12000MNB90X191 capacitor.

Applications

The 400LSU12000MNB90X191 aluminum electrolytic capacitor is widely used in high voltage circuits and has a wide range of applications. It can be used in a variety of applications, such as motor control, power factor correction circuit, DC/DC converter, high frequency switching, switching power supply and other high voltage circuits. Also, because of its low profile characteristics, it can be used in applications where the height requirements are limited, such as mobile phones and notebooks.

Working Principle

The 400LSU12000MNB90X191 aluminum electrolytic capacitor is constructed by rotating a thin aluminum foil between two electrolytic paper sheets, to form two sandwiched layers. The aluminum foil acts as the anode, and an electrolyte as the dielectric. When AC power is applied, the foil acts as one side of the capacitor, with the opposite side of the capacitor is the electrolyte. As the current flows through the electrolyte, a capacitance is built up due to charge accumulation on the edges of the foil. The amount of capacitance depends on the amount of aluminum foil used, the thickness of the foil, the distance between the two layers, and the dielectric constant of the electrolyte.

Advantages

There are a few advantages of using 400LSU12000MNB90X191 aluminum electrolytic capacitors. Firstly, aluminum electrolytic capacitors are extremely efficient due to their low profile, allowing them to easily fit into different product designs. Secondly, they have enhanced temperature ranges ranging from -55°C to +125°C, so they can be used in harsh environments. Also, they have higher capacitance values which contributes to better power factor correction. Finally, their self-healing function helps to protect the circuit from damaging overvoltages and short circuits.

Conclusion

In conclusion, the 400LSU12000MNB90X191 aluminum electrolytic capacitor is a low profile capacitors that is widely used in high voltage circuits and applications. Its wide temperature range, high capacitance and self-healing function give it many advantages over other types of capacitors. It is an ideal choice for applications where low profile designs, high voltage and efficiency are desired.

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