T491A334K025AH

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	15 Ohm
Type:	Molded
Voltage - Rated:	25V
Tolerance:	±10%
Capacitance:	0.33µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are modern electronic components used to store electrical energy. They are constructed using two sets of electrodes, namely an anode and a cathode, connected together with an insulator, a dielectric material. This dielectric material is usually tantalum, which gives these capacitors their name. Tantalum capacitors have unique properties that make them ideal for many applications. They have higher capacitance than other capacitors of similar size and are relatively insensitive to temperature and frequency. This makes them ideal for use in high frequency circuits, where other capacitors may be too susceptible to temperature and frequency changes. They are also able to handle higher voltage components than other capacitors, making them ideal for high voltage applications. In addition, tantalum capacitors are relatively lightweight compared to other capacitors. This makes them ideal for use in portable electronics or where a lightweight solution is required. It should be noted that due to the fact that these capacitors are relatively fragile, they should not be used in high-stress environments, such as those that may be encountered in automotive or industrial applications.The specific product T491A334K025AH is a tantalum capacitor, usually used for high voltage/high frequency applications. It is an Axial-lead capacitor with 10VDC to 25VDC working voltage and 3.3µF capacitance. It also has an operating temperature range of -55°C to +125°C.This type of tantalum capacitor is composed of two cylinders of tantalum material closed at each end to form a capsule. Each end is then lined with a metal plate, forming a pair of electrodes. A dielectric material is placed between the electrodes and the entire capsule is then sealed in an insulating material, such as an epoxy resin. This construction ensures that the tantalum material is completely isolated from the external environment.During operation, an external electrical current is passed through the capacitor and charges the electrostatic field between the electrodes. This charge is stored in the electrostatic field and can be tapped for later use. The most common use for this type of capacitor is in high frequency applications where the capacitor must be able to switch rapidly between charging and discharging. This is due to its ability to quickly absorb and release energy.Tantalum capacitors are a reliable and cost-effective electronic component, preferred in a variety of applications which require high frequency or high voltage. The T491A334K025AH is a common type of tantalum capacitor suitable for many high voltage/high frequency applications. Nevertheless, it must be noted that due to their delicate nature, they should not be used in high-stress environments.

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