T495C686K006ATE400

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	C
Lead Spacing:	--
Height - Seated (Max):	0.110" (2.80mm)
Size / Dimension:	0.236" L x 0.126" W (6.00mm x 3.20mm)
Package / Case:	2312 (6032 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 85°C
Series:	T495
ESR (Equivalent Series Resistance):	400 mOhm
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±10%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

A tantalum capacitor is a type of electrolytic capacitor, a component of electronic circuits. It consists of a pellet of tantalum metal as an anode, covered by an insulating oxide layer that forms the dielectric, surrounded by liquid or solid electrolyte as a cathode. Tantalum capacitors offer some advantages over other types of capacitors because they are small, relatively inexpensive and have an excellent capacitance-to-volume ratio known as volumetric efficiency.

T495C686K006ATE400

The T495C686K006ATE400 is a tantalum capacitor specifically designed for use in high-temperature and low–temperature applications. This tantalum capacitor is rated up to 400 Volts and features an extended rapid-charge capability, low–temperature operation, and excellent performance at high–temperatures. It also features high capacitance, low leakage, and low effective series resistance.

Application Fields

The T495C686K006ATE400 is commonly used in industrial applications such as in cell phones and computers, and in applications that require a capacitor with excellent performance at high–temperature and low–temperature operations. It is also used in medical and aerospace applications, where performance and reliability are highly valued. Tantalum capacitors can offer superior performance to other types of capacitors when used in current-sensing and bypassing applications. Its high stability, low–temperature and high–temperature operation, as well as its rapid-charge capability, make it an ideal choice for these uses.

Working Principle

Tantalum capacitors operate on a similar principle to other kinds of capacitors. They are designed to store electrical energy in the form of electric charge. When the capacitor is connected to an external voltage source, it accumulates electric charge, creating an electric field across the dielectric of the capacitor.This electric field causes the dielectric material to deform, and the dielectric material stores energy in the form of an electric field. When the capacitor is discharged, the stored energy is released and dissipated as heat.Tantalum capacitors are designed to operate at high temperatures, where the electric field and dielectric performance are affected importantly by heat. The capacitor is therefore designed with a higher dielectric constant and a larger breakdown voltage at a high temperature compared to a lower temperature.The temperature coefficient of capacitance (TCC) of a tantalum capacitor indicates its capacitance-temperature change. The TCC of a standard tantalum capacitor is higher than other capacitor types, which makes them ideal for high–temperature operation.

Conclusion

The T495C686K006ATE400 is a tantalum capacitor that is specifically designed for high–temperature and low–temperature applications. It is rated to 400 Volts and features good performance at temperatures both high and low. It is commonly used in industrial, medical, and aerospace applications, as well as in bypassing and current-sensing applications. The capacitor operates on a similar principle to other capacitors, accumulating electric charge between an anode and a dielectric and releasing the stored energy when discharged. Its temperature coefficient of capacitance allows the capacitor to operate more reliably at high temperatures.

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