35PX470MEFC10X12.5

Series:	PX
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	470µF
Tolerance:	±20%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	525mA @ 120Hz
Ripple Current @ High Frequency:	630mA @ 10kHz
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.394" Dia (10.00mm)
Height - Seated (Max):	0.551" (14.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

The 35PX470MEFC10X12.5 aluminum electrolytic capacitor belongs to a family of capacitors with a wide selection of capacitance values, working voltages, and useful additional properties. This type of capacitor has an anode made of aluminum foil and a cathode usually made of paper soaked in an electrolytic solution; these components are rolled up inside a housing.

Application Field

Aluminum electrolytic capacitors are used in a wide range of applications where reliable voltage regulation and high capacitance are needed. They are used to filter ripples from rectified AC and DC line voltages, provide boosting for applications such as switching power supplies, and serve as energy reservoir for circuits that require increased power temporarily. Even in a circuit where speed is a requirement, such as a switched-mode power supply, electrolytic capacitors are often used as a cost-saving solution.

Working Principle

Aluminum electrolytic capacitors use a chemical reaction between the electrolyte, which consists of the liquid or solid conductive material surrounding the anode, and the anode itself to store electrical energy in the form of a potential difference between the two electrodes. This potential difference, known as the capacitor voltage, is determined by the amount of electrolyte in the capacitor and the size of the anode. When the capacitor is connected to a circuit, it permits a charge to flow between the anode and the cathode, allowing current to flow through the circuit.

Advantages

Aluminum electrolytic capacitors have a number of advantages over other types of capacitors. They have a high capacitance-to-volume ratio, so they are often able to store more energy than other types. They also have a very low equivalent series resistance (ESR), which helps reduce losses and ripple voltage in a circuit. Additionally, aluminum electrolytic capacitors can handle large amounts of ripple current without significant performance degradation. Finally, they can be very cost-effective, since they are relatively inexpensive to manufacture and can be used in highly miniaturized circuits.

Disadvantages

The main disadvantage of aluminum electrolytic capacitors is that they are relatively fragile and can be easily damaged. Additionally, their effective capacitance can be reduced with temperature and their useful life is limited. Many aluminum electrolytic capacitors have a short lifetime of several thousand hours, making them unsuitable for applications that require long-term stability. Finally, they can often produce very large currents when thoughtlessly discharged, which can damage other components in the circuit.In conclusion, aluminum electrolytic capacitors are a versatile and cost-efficient solution for a variety of applications. Their typically high capacitance and low ESR make them a great choice for energy, power, and voltage regulation in both high- and low-power circuits, and the relatively low cost of manufacturing makes them a great value. However, it is important to consider the fragility and limited lifetime of these capacitors before deploying them in a high-power application, and to take precautions to prevent accidental discharges that might damage other components in the circuit.

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