757D128M6R3CG4D

Series:	757D
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	1200µF
Tolerance:	±20%
Voltage - Rated:	6.3V
ESR (Equivalent Series Resistance):	130 mOhm @ 120Hz
Lifetime @ Temp.:	5000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.2A @ 120Hz
Ripple Current @ High Frequency:	1.47A @ 40kHz
Impedance:	65 mOhms
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.394" Dia (10.00mm)
Height - Seated (Max):	0.846" (21.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in power electronics and other electronic equipment, primarily due to their high capacitance, low-loss and low-cost advantages. The 757D128M6R3CG4D is an example of an electrolytic capacitor that belongs to this category. Its application field and working principle will be discussed in this article.

Application Field of 757D128M6R3CG4D

The 757D128M6R3CG4D is a type of polar capacitor with very high capacitance. It is primarily used in power electronics, such as dimming circuits, buck/boost and full bridge converters, and voltage regulators. In these applications, its capacitance enables it to store energy efficiently and to stabilize the output voltage or current of the system. It is also widely used in audio amplification, where it can help reduce distortion and hum.

Working Principle of 757D128M6R3CG4D

The 757D128M6R3CG4D is an aluminum electrolytic capacitor. It consists of an aluminum cathode with an electrolyte of borax, also known as boric acid, integrated between two electrodes. As electrical current flows through the capacitor, the electrons move between the two electrodes, generating a charge. This charge is stored within the capacitor\'s electrolyte, with the quantity of charge stored determined by the capacitance of the component.The amount of capacitance provided by 757D128M6R3CG4D depends on several factors, including the voltage applied to it and the thickness of its dielectric layer. The voltage applied to the terminals of the capacitor will cause the aluminum cathode to release ions into the electrolyte, allowing for greater charge storage. The thickness of the electrolyte layer determines the amount of current that can be stored; the thicker the electrolyte, the higher the capacitance.

Importance

Aluminum electrolytic capacitors are essential components of modern power electronics. The 757D128M6R3CG4D is a good example of the type of capacitor most often used in these designs. Its high capacitance and low-loss properties make it ideal for applications such as dimming circuits, buck/boost and full bridge converters, and voltage regulators. Its use in audio amplification also makes it an important component in the home entertainment market. Without aluminum electrolytic capacitors, modern electronics would not be able to maintain the consistent power performance necessary for reliable operation.

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