KMQ400VS471M30X45T2

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.772" (45.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	2.4024A @ 50kHz
Ripple Current @ Low Frequency:	1.68A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMQ
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	529 mOhm @ 120Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	470µF
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are commonly used in the modern world, offering a wide range of properties that make them great for many applications. One such capacitor is the KMQ400VS471M30X45T2 which is specifically designed for use in a variety of fields. This article will outline the field of applications and working principle of such capacitors to provide a better insight into their purpose and usage.

Application Fields and Ranges of KMQ400VS471M30X45T2

The KMQ400VS471M30X45T2 has various capabilities that make it the ideal choice for a variety of applications including motor drives, civilian electric power systems, audio systems, power electronics and computer systems. The application field range encompasses anything from a low-cost operation to a high-end performance. The capacitor was designed to reduce total harmonic distortion (THD) in inertial motor drives by up to 45%, which increases the efficiency and ensures reliability. Furthermore, this capacitor also helps to reduce the power factor (PF) of the electric power system and can also handle large transient disturbances without becoming damaged. It has a ripple current of 180A, a capacitance of 47uF and a lifetime of over 10000 hours, making it very dependable.

Working Principle of KMQ400VS471M30X45T2

Aluminum electrolytic capacitors contain a non-solid electrolyte, which is a conductive liquid, and two aluminum plates. The electrolyte is necessary for conduction, allowing electrons to freely flow between the plates and create charge. The plates act as a cathode and anode within the device and contain a porose dielectric that separates them, allowing the capacitor to store energy. The anode is manufactured with an oxide layer that not only provides insulation but also increases the capacitance of the device as the oxide has a higher dielectric constant than air. The two plates are separated and held together with an electrolytic solution that can also be referred to as a wetted material.This capacitor works by utilizing the capacitance effect to store electrical energy in the form of electric fields. When a voltage is applied to the capacitors plates, an electric field forms and the capacitor acts like an open circuit, allowing the electrons to travel coherently between the anode and the cathode. The electric fields are supported by the electrolyte, and when the voltage is removed, the electric field collapses and the capacitor functions as a closed circuit.

Advantages of KMQ400VS471M30X45T2

The KMQ400VS471M30X45T2 offers a variety of advantages over other capacitors including its high current handle capability, low internal resistance and self-healing abilities. The self-healing properties depend on the combination of anode and dielectric materials, and the size of the capacitor.The high current handling capability is due to the fact that this type of capacitor is designed to handle larger transient disturbances without becoming damaged. This is also due to the electrolyte added to the electric fields, which is non-solid and therefore offers more protection to the electric fields.The low internal resistance is due to the fact that this capacitor is made up of two aluminum plates instead of one. This creates a higher capacitance by providing more charge carriers and, as a result, a lower internal resistance. This makes it a suitable choice for high frequency applications.Finally, the KMQ400VS471M30X45T2 also offers self-healing properties. This occurs when dielectric breakdowns occur, which can be caused by excessive current or voltage. The electrical field collapses and the two aluminum plates move, resulting in the electric field being reformed in the correct direction.

Conclusion

The KMQ400VS471M30X45T2 is a great example of aluminum electrolytic capacitors, offering increased efficiency, dependability, and flexibility. Its application field ranges from motor drives to civilian electric power systems and as a result, it has various advantages. Further, its working principle involves two aluminum plates separated by a dielectric and electrolyte, with electric fields formed when a voltage is applied. This means that the capacitor is able to handle larger transient disturbances without being damaged, has high current handling capability, low internal resistance and self-healing properties. All of these properties make it the ideal choice for many applications in the modern world.

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