T491C476M006AH

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
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
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	1.5 Ohm
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±20%
Capacitance:	47µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum capacitors are a type of electrolytic capacitor and are very commonly used in many fields. They are used in everything from household appliances to complex industrial applications. The T491C476M006AH is a specific type of tantalum capacitor that is primarily used in automotive applications and high frequency switching applications. T491C476M006AH capacitors are constructed from two tantalum pellets that are sintered together, each with a thick oxide layer, and then sealed into a dielectric casing with a cellulose pore filler. The pellets act as the positive and negative ends of the capacitor, which are connected to the external connections by a lead wire. The dielectric materials used in the construction of these capacitors are typically manganese dioxide or conductive polymers and are chosen depending upon the particular application they are intended for. The T491C476M006AH is a particularly popular capacitor in the automotive industry due to its reliability and high capacitance ratings. It is capable of withstanding extreme temperatures and performs well even in vibration prone scenarios. The high capacitance values also enable it to store a large amount of energy, making it an ideal choice for certain automotive applications. Due to their ability to withstand vibrations and electric shocks, they are also especially suited for switch mode power supplies, DC-DC converters and motor drives. The working principle of the T491C476M006AH is based around the same principle as all other electrolytic capacitors. When a voltage higher than the capacitors rated voltage is applied to the capacitor, it causes an electric current to flow through the capacitor and create an electric field, which in turn creates a capacitance between the two electrodes of the capacitor. This capacitance allows current to flow between the two electrodes which then produces an electrical energy equal to the energy stored in the capacitor. The performance of the T491C476M006AH capacitor is highly dependant on its temperature and operating voltage. The capacitance of the T491C476M006AH can decrease significantly when placed under high temperature and humidity, as the oxide layer of the tantalum pellets begins to breakdown, resulting in less energy being stored in the capacitor. It also has a significant effect on the capacitors\' life as the oxide layer degrades, leading to eventual failure. The operating voltage of the T491C476M006AH is limited to 25V, and its rated temperature range is 85°C to 105°C.In summary, T491C476M006AH capacitors are designed for a wide range of applications, from consumer electronics to automotive electronics and high frequency switching. They offer reliable performance and high capacitance ratings in a wide temperature range and are particularly well suited for applications in the automotive industry. The operating principle of the T491C476M006AH is the same as that of other electrolytic capacitors, allowing it to store an electrical charge and release it as needed. It is important to ensure that the capacitors are operated within their rated temperature and voltage limits, in order to maximize their life and ensure reliable performance.

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