476AVD6R3MDR

Series:	AVD
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±20%
Voltage - Rated:	6.3V
ESR (Equivalent Series Resistance):	9.17 Ohm @ 120Hz
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	75mA @ 120Hz
Ripple Current @ High Frequency:	150mA @ 100kHz
Impedance:	760 mOhms
Lead Spacing:	--
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.217" (5.50mm)
Surface Mount Land Size:	0.209" L x 0.209" W (5.30mm x 5.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (AECs)are widely used components in many areas of electric and electronic circuitry due to their high capacitance, low cost and simple structure. They are also called electrolytic capacitors, because they are composed of two aluminum sheets connected together and separated by a thin formation of electrolyte. The 476AVD6R3MDR is a type of AEC, and it is commonly used for filtering and General AC Applications, in which it excels for its low ESR and high ripple current.

476AVD6R3MDR Application Field and Working Principle

The 476AVD6R3MDR is mainly used in a variety of practical circuits as a decoupling, smoothing and filtering component, such as power supply, storage system, automotive electronics, communications, refrigeration equipment, and radio interference system. The working principle of the 476AVD6R3MDR can be divided into three parts. First, the 476AVD6R3MDR capacitor works through the mechanism of electrochemical capacitance. The capacitor consists of two sheets of aluminum foil ( known as the anode and cathode)with an electrolyte filled between them. When a voltage is applied to the capacitor the current flows through the electrolyte, causing a chemically generated reaction layer, known as a "pseudo-dielectric", which forms between the aluminum foils. The strength of the layer increases as the applied voltage is increased and reduces when the voltage is removed. Second, the 476AVD6R3MDR capacitor works through the mechanism of electrical capacitance. This is due to the properties of the dielectric material between the two plates of the capacitor. By changing the size, shape, and type of the dielectric material, the capacitance can be controlled and adjusted to meet specific requirements. The electrical capacitance of the 476AVD6R3MDR is calculated according to a formula, which depends on the area of the plates, the distance between them, and the type and property of the dielectric material. The capacitance of a 476AVD6R3MDR capacitor is usually specified in Farads (F).Third, the 476AVR6R3MDR capacitor works through the mechanism of dielectric absorption. As the current passes through the capacitor, the dielectric material between the two plates absorbs energy from the current. This energy is stored in the material and released back to the circuit when the current reverses direction. The stored energy acts as a buffer for the current and prevents the capacitor from overloading. Due to its high capacitance, low ESR and high ripple current, the 476AVD6R3MDR is an ideal choice for a variety of applications. Its excellent features make it a perfect choice for DC to AC converters, high frequency switching converters, AC motor drives, uninterrupted power supplies, and other electronic applications. In addition, it can also be used as a capacitor for start and run applications, where its low ESR and high ripple current provide protection from voltage and current spikes.

Conclusion

In conclusion, the 476AVD6R3MDR is a type of AEC that is suitable for a variety of applications. It works through three mechanisms: Electrochemical Capacitance, Electrical Capacitance, and Dielectric Absorption. The 476AVD6R3MDR is used for DC-AC converters, high frequency switching converters, AC motor drives, uninterrupted power supplies, and other electronic applications, due to its high capacitance, low ESR, and high ripple current. This makes it an important component for electric and electronic circuitry.

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