299D226X0016DB1E3

Lifetime @ Temp.:	1000 Hrs @ 85°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.440" (11.17mm)
Size / Dimension:	0.280" L x 0.270" W (7.10mm x 6.85mm)
Package / Case:	Radial - 3 Leads
Mounting Type:	Through Hole
Series:	TANTALEX®, 299D
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	--
Type:	Conformal Coated
Voltage - Rated:	16V
Tolerance:	±20%
Capacitance:	22µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

Tantalum capacitors, or tantalum electrolytic capacitors, are artificial capacitors with a conductive anode, made from tantalum metal, and an electrolyte-saturated manganese dioxide cathode, housed in a metal can. The anode and cathode are separated by a dielectric layer of oxide film, formed from the electrolyte after an anodization process. While tantalum capacitors have similar construction, larger capacitance, and higher operating voltage than aluminum electrolytic capacitors, their primary advantage is the much smaller size for a given capacity than equivalent aluminum electrolytic capacitors. As such, tantalum capacitors are widely used in portable and space-constrained applications, such as those found in consumer electronics.The most commonly used type of tantalum capacitors is the axial-lead type, which is why 299D226X0016DB1E3 is categorized as a tantalum capacitor. It features a 2.5V working voltage, and a nominal capacitance of 22uF, with a 10% tolerance and a low ESR of 16W. The capacitor is encapsulated in an epoxy-coated metal case, and operates over a temperature range of -55°C to +125°C.Thanks to its small size, 299D226X0016DB1E3 can be used to build power supplies for audio equipments, mobile communication devices, and electronic consumer products.Similarly, a wet tantalum capacitor is a type of polar capacitor that uses tantalum foil electrodes over the wet electrolytic material, instead of the solid MnO2 cathode. Wet tantalum capacitors are also used in applications where the size of the capacitor is important—for example, in aviation, aerospace, medical, and military applications—and when noise needs to be kept to a minimum level.In short, the 299D226X0016DB1E3 type of tantalum capacitor is particularly popular in portable and space-constrained applications due to its small size, and it’s used in the applications where noise needs to be kept to a minimum level. Its working principle is also based on capacitors principles, where a conductive anode and an electrolyte-saturated manganese dioxide cathode are separated by a dielectric layer of oxide film, formed from the electrolyte after an anodization process. When the capacitor is charged and discharged, the anode will be charged and discharged through the dielectric layer at the same time. This will ensure the capacitor has a stable and freely adjustable value of capacitance.

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