678D227M050DM3D

Series:	678D
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	50V
ESR (Equivalent Series Resistance):	240 mOhm @ 20Hz
Lifetime @ Temp.:	--
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	651mA @ 120Hz
Ripple Current @ High Frequency:	930mA @ 100kHz
Impedance:	71 mOhms
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Height - Seated (Max):	1.161" (29.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are ubiquitous components in modern circuits used for filtering, bypassing, decoupling, and resonance. This article will go in-depth into the 678D227M050DM3D aluminum electrolytic capacitor, its application field and working principle. Aluminum electrolytic capacitors are composed of three major parts: aluminum foil, separator paper, and electrolytic solution. The aluminum foil acts as the anode while the separator paper acts as a medium between anode and cathode. The electrolytic solution acts as the cathode. This capacitor is polarized, meaning it requires a specific voltage orientation or current, and operates on the principle of electrolytic oxidation. This type of capacitor uses a metal oxide layer as its dielectric layer, which is formed on the aluminum foil when anode is polarized by the applied voltage. During operation, the anode and electrolyte solution form a chemical reaction, forming a layer of electrolytic oxide on the anode surface, creating a layers of air gaps between the dielectric surface and the cathode. This layer of air gaps can store electrical energy and acts as the dielectric that controls the implementation of electrical charges.The 678D227M050DM3D aluminum electrolytic capacitor, specifically, has a maximum operating temperature of 85°C, a rated capacitance of 2.2microfarad, and a tolerance range of +/- 20%.It has a voltage rating of 50V with a maximum ripple current of 4.59A. It meets RoHS2 requirements and is lead-free, making it an environmentally friendly alternative to traditional electrolytic capacitors.The 678D227M050DM3D capacitor is best suited for power filter applications, since it can filter out high frequency noise from a power supply. This specific capacitor is highly appropriate for use in medical equipment that requires low impedance and high reliability. It is also frequently used in notebook computers, laptop computers, computer power supplies, power regulators, and other related components in electronic systems.The 678D227M050DM3D specimen follows the same principles of all aluminum electrolytic capacitors: the layer of electrolytic oxide formed between the anode and the separator paper separates stored electrical charges and provides a dielectric layer for the electrical charges to be implemented. The chemical reaction between the anode and electrolyte solution occurs at the point of anodic polarization, when an electric current separates the electrolytic solution in the anode and forms a thin dielectric film. In conclusion, the 678D227M050DM3D aluminum electrolytic capacitor is a highly reliable component that is used to filter, bypass, decouple and modify signals in many different types of electronic systems, often operating with high frequency noise levels in harsh environments. Its maximum operating temperature of 85°C, its packaging specifications of 50V and 2.2microfarad, make it well suited for use in portable electronics and medical instruments.

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