475TTA100M

Operating Temperature:	-40°C ~ 85°C
Package / Case:	Axial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	--
Size / Dimension:	0.197" Dia x 0.512" L (5.00mm x 13.00mm)
Lead Spacing:	--
Ripple Current @ Low Frequency:	40mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	TTA
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	50.3284 Ohm @ 120Hz
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	4.7µF
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 a type of polarized capacitor that possess ample capacitance and are reliable components for use in AC circuit filters, noise suppression, and energy storage. They are especially suited for high frequency switching power supplies, and are mostly found in low voltage direct current applications. The 475TTA100M model is no exception, offering an impressive combination of characteristics such as its performant capacitance, long life expectancy, and low equivalent series inductance (ESL). This model is employed in various applications, as for instance power backlighting, LCD TVs, telecommunication systems, and for the protection of high-power devices and electronics.

Formal Definition

An aluminum electrolytic capacitor is a device that stores electric energy using two metal sheets separated by a liquid electrolyte. The device consists of two metal layers or foils separated from each other by a flexible layer or diaphragm that contains a liquid electrolyte paste. Aluminum electrolytic technology generally consists of an anode, a liquid electrolyte solution, and a cathode. The anode acts as the positively charged plate, and the cathode as the negatively charged plate. In between the two plates is a conductive liquid medium that serves as an electrolyte.

Main Characteristics

The main characteristics of aluminum electrolytic capacitors are the ability to store energy and their space-saving features. Aluminum electrolytic capacitors are renowned for having greater capacitance than ceramic capacitors in a given space, and they are the standard option when large amounts of capacitance are needed in a circuit. These components offer long life expectancy, and they are relatively easy to manufacture due to their simple technology and constant and consistent quality levels. Positive characteristics of aluminum electrolytic capacitors include long operating life, low equivalent series resistance, and low internal impedance.

475TTA100M Application Field and Working Principle

The 475TTA100M is a radial-leaded electrolytic aluminum capacitor. These capacitors typically offer higher voltage and temperature ratings, and they have capacitance ratings up to 1000µF. The capacitors are typically employed in power backlighting applications, LCD TVs, telecommunication systems, and the protection of high-power devices and electronics.The 475TTA100M operates under the same principle as other aluminum electrolytic capacitors. It utilizes two aluminum layers separated by a semi-permeable membrane containing liquid electrolyte. The anode is composed of a thin layer of pure aluminum that is deposited onto an aluminum foil. The cathode is composed of an insulating layer of liquid electrolyte paste. When a voltage is applied across the plates, chemical reactions take place that produce an oxide layer on the surface of the anode. This oxide layer acts as a dielectric, thus allowing positive and negative charges to accumulate on the two aluminum plates. This accumulation of charges causes a separation of charge and forms an electric field. This electric field allows current to flow through the device until the two polarities of charge balance out. The 475TTA100M utilizes liquid electrolytes in order to maintain a specific capacitance. The liquid electrolyte helps to control the voltage and temperature ratings of the device, as the liquid acts as a buffer and controls the charge that is built up within the device. The device also utilizes low equivalent series inductance (ESL)in order to provide improved power supply ripple reduction.Overall, the 475TTA100M is a reliable device that offers ample capacitance and is suitable for a variety of applications. With its long life expectancy, low equivalent series resistance, and low levels of internal impedance, the 475TTA100M is an optimal choice when it comes to AC circuit filters, noise suppression, and energy storage.

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