MAL202116682E3

Polarization:	Polar
Package / Case:	Axial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	--
Size / Dimension:	0.827" Dia x 1.496" L (21.00mm x 38.00mm)
Lead Spacing:	--
Impedance:	35 mOhms
Ripple Current @ High Frequency:	2.691A @ 10kHz
Applications:	General Purpose
Ratings:	--
Series:	021 ASM
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	8000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	64 mOhm
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	6800µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors (AECs) are widely used across a wide range of applications due to their large capacitance and relatively low cost. The MAL202116682E3 aluminum electrolytic capacitor is a popular choice for commercial and industrial applications that require high voltage and high capacitance.

Construction

MAL202116682E3 AECs are made up of four primary components – an anode, a cathode, a separator, and electrolyte. The anode and cathode are constructed from very thin layers of aluminum foil which are rolled into a cylinder to create two separate but connected electrode cells. The two layer separator is a thin film of non-conductive plastic which isolates the two aluminum foil layers and provides a physical barrier between them. The electrolyte is a solution of water, alcohol and other salts which is used to complete the electrical connection between the anode and the cathode.

Working Principle

The MAL202116682E3 AEC works on the principle of Faraday’s Law of Electrolysis. This law states that when a current is passed through a metal-electrolyte solution, the metal particles (anode) will be oxidized at the anode and the electrolyte molecules (cathode) will be reduced at the cathode. This oxidation and reduction causes the metal particles to move through the electrolyte and form an electric charge which is stored in the capacitor. When the external voltage is applied across the electrodes, the electric charge stored in the capacitor will be discharged and electricity will flow.

Features

MAL202116682E3 AECs have a rated voltage of 85V, a capacity of 2200uF, and a tolerance of ±20%. The maximum temperature rating is 105°C and the maximum ripple current rating is 7.8A. The AEC also features a non-inductive winding that reduces inductive losses.

Application Field

MAL202116682E3 AECs are commonly used in high voltage applications such as power supplies, motor drivers, and inverters. They are also commonly used in audio and speaker systems to provide a stable power source or to filter out unwanted noise. Other applications include power conditioning, rectification, and surge protection. The AECs are also widely used in automotive, medical, and telecommunications equipment.

Conclusion

The MAL202116682E3 aluminum electrolytic capacitor is an ideal choice for high voltage applications where large capacitance and tolerance are required. The capacitor’s construction and working principle make it perfect for applications such as power supplies, motor drivers, and audio systems. Its large capacitance and tolerance give it a wide range of applications in automotive, medical, and telecommunications equipment.

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