T491C335K035AT2478

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):	2 Ohm
Type:	Molded
Voltage - Rated:	35V
Tolerance:	±10%
Capacitance:	3.3µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

A Tantalum capacitor is an electrolytic capacitor which is composed of tantalum oxide as its anode, along with an electrolyte solution, and a metal as its cathode. Often used in computers and other electronics, they are smaller yet more efficient than conventional capacitors. The T491C335K035AT2478 is a tantalum capacitor, and has a specific purpose and corresponding working principle.

Application Field

T491C335K035AT2478 tantalum capacitors are primarily used when a large capacitance with a small physical size is needed. Examples of this would be in electrical circuits with limited space or which require a large capacitor size while using minimal components. As Tantalum capacitors contain an organic polymer organic electrolyte, they are ideal for applications which require a stable output along with higher temperature and frequency tolerance. Additionally, Tantalum capacitors are available in two types, polarized and non-polarized. The T491C335K035AT2478 is a non-polarized capacitor, meaning it does not require a specific orientation when being used.

Working Principle

T491C335K035AT2478 Tantalum capsules use the properties of the conductive tantalum oxide to charge and store a current, earning them the nickname “supercapacitors”. The anode side is composed of tantalum pentoxide, with the electrolyte solution acting as the electrolyte, and forming an electrolyte-tantalum oxide barrier. When the capacitor is charging, electrons become trapped at the outermost layer of the tantalum pentoxide material, creating a negative charge and an electric potential. When the potential is discharged, the electrons break free, enabling the capacitor to transfer a current. This makes the T491C335K035AT2478 capacitor a common choice for signal processing and power management when users require a stable voltage supply in an extremely small package.

Conclusion

The T491C335K035AT2478 is a Tantalum capacitor designed for applications which require a large capacitance size with minimal physical footprint. Due to its organic polymer electrolyte, it can provide a stable output in even the highest temperature and frequency operations. The T491C335K035AT2478 uses the properties of the conductive tantalum oxide material to trap electrons on the anode side, forming a negative charge and an electric potential. When discharged, the electrons become free and the capacitor transfers a current, making it a popular choice for signal processing and power management.

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