T491D686K006AS Capacitors

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.122" (3.10mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	T491
ESR (Equivalent Series Resistance):	800 mOhm
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±10%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are extremely useful with their small size, long shelf life, and low leakage current. They are widely used in industrial and military applications, and their ability to withstand temperature extremes make them an ideal choice for use in challenging environments. The T491D686K006AS is a type of tantalum capacitor, and in this article, we will discuss its application field and working principle.

Application Fields of the T491D686K006AS

T491D686K006AS tantalum capacitors are used in a variety of applications. They can be found in electronic circuits such as printed circuit boards, personal computers, cell phones, and other handheld devices. They are also used in automotive applications such as ignition systems, automotive sensors, and lighting fixtures. They are also commonly used in audio equipment, medical equipment, and industrial power supplies.

Working Principle of T491D686K006AS

T491D686K006AS capacitors work in a similar way to other types of electrolytic capacitors. The capacitors have three main components - the anode, the cathode, and the electrolyte. The anode is the positive terminal of the capacitor and is usually made of a highly conductive metal such as aluminum or copper. The cathode is the negative terminal of the capacitor and is made of a less conductive metal such as tantalum. The electrolyte is an ionic liquid that contains positively charged ions and electrons to act as a bridge between the two metal plates. When a voltage is applied to the capacitor, the positively charged ions are forced through the electrolyte and move to the anode. This creates an electric field between the anode and the cathode, causing a buildup of negative charges on the cathode and positive charges on the anode. This electric field creates an energy storage mechanism in the capacitor, allowing it to store an electrical energy for a brief period of time. The capacitor can then discharge this stored energy when the voltage applied is removed. This allows the capacitor to help maintain a constant voltage despite any current fluctuations. This makes it an ideal choice for use in many different applications.

Conclusion

The T491D686K006AS is a type of tantalum capacitor, and it can be found in a range of applications from printed circuit boards to automotive ignition systems. It works on the principle of charging and discharging an electrical energy store when a voltage is applied to the capacitor, making it an ideal choice for applications that require a constant voltage despite any current fluctuations.

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