TC39A

Polarization:	Polar
Package / Case:	Axial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	--
Size / Dimension:	0.315" Dia x 0.630" L (8.00mm x 16.00mm)
Lead Spacing:	--
Ripple Current @ High Frequency:	148.2mA @ 2.4kHz
Ripple Current @ Low Frequency:	130mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	TC
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	1000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	3.14 Ohm @ 120Hz
Voltage - Rated:	50V
Tolerance:	-10%, +75%
Capacitance:	47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are non-linear electronic components used in a variety of power-related applications. They are composed of two metal surfaces separated by an electrolyte, usually an electrolytic liquid or gel. The metal surfaces are usually made of aluminum, with a thin layer of oxide between them, allowing electrical current to pass between them. This oxide layer is what makes aluminum electrolytic capacitors non-linear, since the electrical current passes differently depending on the voltage applied.The most common use of aluminum electrolytic capacitors is in power supplies. These capacitors are used to store energy in a certain amount, and then release it when needed. This is particularly useful in supplying power to electronic systems, as it allows them to have constant power even when they are not in use.Another popular application of aluminum electrolytic capacitors is in audio systems. These capacitors can be used to filter unwanted noise and interference in the audio signal, allowing for more accurate sound reproduction. They can also be used to store energy for sound activities, such as strobe lighting or to store energy so that the speaker can achieve better bass response.Aluminum electrolytic capacitors can also be used in industrial applications. They can be used to regulate the voltage of the power being supplied to the system, and they can also be used as current-limiting devices. This can be particularly useful in preventing accidental over-voltage, which can damage connected components.The most common type of aluminum electrolytic capacitor is the TC39A. Its main feature is that it is non-linear, meaning that the current passing between the two metal surfaces is regulated differently depending on the voltage applied. This makes it ideal for power related applications, as it can provide consistent power even when not used.The working principle of a TC39A aluminum electrolytic capacitor is relatively simple. The electrolyte acts as an insulator between the two aluminum plates. As the voltage is applied, a small leakage current is created, which the electrolyte conducts. This current creates a very small electric field between the two plates. As a result, the electric field generated around the plates will increase with increasing voltage. This electric field will dissipate through the electrolyte, creating an electric current, and the capacitance value of the capacitor will increase.In conclusion, aluminum electrolytic capacitors are a non-linear electronic components used in a variety of industrial and audio applications. The most common type of aluminum electrolytic capacitor is the TC39A, whose working principle is based on an electrolyte acting as an insulator and creating an electric field between two metal plates. It is this electric field that is responsible for allowing current to pass between them, and thus the capacitor stores energy and releases it when needed.

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