T491D686K004ZT

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
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.:	2000 Hrs @ 125°C
Series:	T491
ESR (Equivalent Series Resistance):	800 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	4V
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Part Status:	Obsolete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 are a type of an electrical component that has the ability to store energy in the form of an electrical charge. They are used in a variety of circuits and devices, and one of the most commonly used types is the T491D686K004ZT. This type of capacitor is made up of a tantalum core that is surrounded by an electrolyte. The electrolyte is either a solid or liquid material, and this serves to increase the capacitance of the device.When a voltage is applied to the device, the electrolyte reacts with the tantalum core, which creates a small current. This current will charge the device up with the amount of energy being stored depending on the amount of voltage applied. The device will then release the energy as current when the voltage is removed. This is why it is referred to as a capacitor; it can store a certain amount of energy and then give it off when needed.The T491D686K004ZT can be used in a variety of applications, ranging from consumer electronics to industrial applications. In consumer electronics, it is mainly used for power applications, such as digital cameras and cell phones. Additionally, it can be found in computers, as it can help to regulate power and reduce power consumption. In industrial applications, the capacitor can be found in circuit boards, as it helps to reduce electrical noise and improve circuit reliability.Due to its low leakage current and high voltage capabilities, the T491D686K004ZT can be used in critical parts of a circuit where failure is not an option. The capacitor can also be used for energy storage applications, such as when the device is used in a battery charger. In these situations, the device can store energy quickly, allowing it to be released when needed with minimal voltage changes.The working principle of the T491D686K004ZT is similar to that of any other capacitor. When a voltage is applied to the device, the tantalum core absorbs the energy and stores it. The energy is then released when the voltage is removed. The amount of energy that the device can store depends on the type of material used, the capacitance, as well as the size of the device. The device should also be kept away from any sources of heat and moisture to ensure that it remains functioning properly.Overall, the T491D686K004ZT is a versatile and reliable electronic component that is often used in a variety of applications. Its ability to store energy and discharge it quickly makes it an ideal choice for both consumer and industrial products. Furthermore, its efficiency and reliable operation are key features that make it an attractive choice for those looking for a reliable and affordable capacitor.

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