MAL212017152E3

Polarization:	--
Package / Case:	Axial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	--
Size / Dimension:	0.709" Dia x 1.496" L (18.00mm x 38.00mm)
Lead Spacing:	--
Impedance:	32 mOhms
Ripple Current @ High Frequency:	4.13A @ 10kHz
Applications:	Automotive
Ratings:	AEC-Q200
Series:	120 ATC
Operating Temperature:	-40°C ~ 125°C
Lifetime @ Temp.:	8000 Hrs @ 125°C
ESR (Equivalent Series Resistance):	39 mOhm
Voltage - Rated:	40V
Tolerance:	±20%
Capacitance:	1500µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in modern electronic applications due to their very high energy density, relatively small physical size and very high load capacity. The most common type of aluminum electrolytic capacitor found is the MAL212017152E3, which is a polarized electrolytic aluminum capacitor, consisting of two closely coupled aluminum foil electrodes that have been subjected to an electrolytic etching process for surface area expansion.

Application Field

The MAL212017152E3 is typically used in applications where very high load capacity, low loss of energy and the need for space efficient components is essential. These capacitors are most commonly found in the following applications:

• Switched mode power supplies
• Industrial motor control circuits
• Circuits that involve high voltage AC power
• Circuits requiring high efficiency and low current losses
• Circuits needing substantial capacitance with minimal physical size
• High frequency devices
• Audio equipments

Working Principle

The MAL212017152E3 uses an electrolyte to store electrical energy. The capacitor electrodes consist of two layers of aluminum foil, formed to provide the most effective surface area possible. The capacitor is then treated with an electrolyte, allowing electrons to flow back and forth between the two electrodes. When a voltage is applied to the electrodes, the electrons on the negative electrode are attracted to the positive electrode, resulting in a charge buildup. This creates a potential electrical field between the two electrodes. As the voltage is increased, the build up of charge on the electrodes increases, resulting in a higher potential storage capacity. When the capacitor is used in a circuit, the charge on the capacitor will eventually discharge and the electrons will flow back to the negative electrode. This process will result in a decrease in the voltage and current stored in the capacitor, although the electrons will remain in place until the capacitor is recharged.

Conclusion

The MAL212017152E3 aluminum electrolytic capacitor has been designed to meet the requirements of modern electronics applications, where a high load capacity, minimal energy losses and space efficient components are required. The working principle relies on an electrolyte to store electrical energy, and the electrolyte is initially treated with an electrolytic etching process for improved surface area expansion. The MAL212017152E3 capacitor is most commonly used in switched mode power supplies, industrial motor control circuits, high frequency devices and audio equipments.

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