MAL210278332E3

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	4.398" (111.70mm)
Size / Dimension:	2.992" Dia (76.00mm)
Lead Spacing:	1.252" (31.80mm)
Impedance:	29 mOhms
Ripple Current @ Low Frequency:	13.4A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	102 PHR-ST
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	10000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	42 mOhm @ 100Hz
Voltage - Rated:	385V
Tolerance:	±20%
Capacitance:	3300µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are electronic components which use electrolytically formed aluminum oxide film as the dielectric medium to store electrical energy. This type of capacitor is often referred to as an "electrolytic capacitor", due to its reliance on electrolyte to form the dielectric. They are widely used in a variety of electronics and electrical applications due to their excellent performance in terms of capacitance, size and low cost.

Types of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are available in various shapes and sizes, with different capacitance values. The most common types of aluminum electrolytic capacitors are polar and non-polar capacitors. Polar capacitors consist of two electrical leads which are connected directly to the positive and negative terminals on the capacitor, while non-polar capacitors have a single lead which is connected to the positive and negative terminals. Polar capacitors are also known as polarized electrolytic capacitors, due to the fact that they have different anode and cathode electrodes. They can be further divided into two types – Snap-In Electrolytic Capacitors and Screw Threaded Electrolytic Capacitors. Snap-in capacitors are used mainly in audio applications while threaded capacitors are employed in applications requiring high operating temperatures. Non-polar capacitors, on the other hand, do not require any polarity to be taken into consideration during installation. They come in a variety of shapes and sizes, and have the capacity to store up to several thousand µF. Non-polar aluminum electrolytic capacitors are primarily employed in low-voltage high-frequency circuits.

MAL210278332E3 Application Field and Working Principle

The MAL210278332E3 is a non-polar aluminum electrolytic capacitor from the Vishay Intertechnology brand. This capacitors offers a working voltage of 250 V DC and a capacitance value of 100 µF. Due to its non-polarity and reliability, it is extremely popular among various applications which require high voltage and low noise, such as audio circuitry, medical technology, and power supplies. The underlying principle of operation of aluminum electrolytic capacitors is that the electrochemical reactions between the anode and electrolyte in the capacitor forms a layer of insulating aluminum oxide on the anode. This oxide layer acts as the dielectric medium, and when a voltage is applied to the capacitor, electric charges flow through the dielectric layer, resulting in the storage of electrical energy. In the case of the MAL210278332E3, the capacitor consists of two anodes (positive and negative) and an electrolyte solution. When a voltage is applied across the capacitor’s terminals, electric charges flow into and out of the capacitor, and the electric energy is stored as electrical charges on both the anodes. The capacitance of the capacitor is determined by the geometry of the electrode and the characteristics of the dielectric material. By controlling these two parameters, the capacitance of the capacitor can be adjusted accordingly.

Conclusion

The MAL210278332E3 is a reliable and robust non-polar aluminum electrolytic capacitor from Vishay Intertechnology. This capacitor is capable of operating in high voltage and low noise applications, such as audio circuitry, medical technology, and power supplies. The underlying principle of operation of aluminum electrolytic capacitor involves the formation of a layer of insulating aluminum oxide on the anode to act as the dielectric medium. This layer allows electric charges to flow through it, resulting in the storage of electrical energy by the capacitor.

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