293D156X0020D2TE3

Series:	TANTAMOUNT®, 293D
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	15µF
Tolerance:	±20%
Voltage - Rated:	20V
Type:	Molded
ESR (Equivalent Series Resistance):	900 mOhm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.122" (3.10mm)
Lead Spacing:	--
Manufacturer Size Code:	D
Features:	General Purpose
Failure Rate:	--

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Introduction to Tantalum CapacitorsTantalum capacitors are widely used in electronic circuits. They are a type of capacitor that has a relatively high capacitance and low cost. The capacitance of a tantalum capacitor is usually close to the value of an electrolytic capacitor, which makes them a great choice for high-frequency applications.Tantalum capacitors are formed from a tantalum oxide (Ta2O5) film deposited onto the surface of a tantalum powder core. The surface area of the powder is key to the capacitance of the part; the larger the powder, the higher the capacitance. The capacitance is determined by the area of the powder and the thickness of the oxide layer.293D156X0020D2TE3 Application Field and Working PrincipleThe 293D156X0020D2TE3 is a popular tantalum capacitor used in a variety of projects. It has a capacitance of 156 microfarads with a 20V rating and a 0.2 ohm maximum equivalent series resistance (ESR). This capacitor is often used in power supplies and speaker circuits.This capacitor operates on the same principle as other tantalum capacitors. It utilizes an anode and cathode that have an oxide layer between them. The capacitor stores a charge when a voltage is applied, until the maximum rating of the capacitor is reached. When the voltage is removed, the capacitor releases the stored charge. The 293D156X0020D2TE3 is a polarized capacitor, so a reverse voltage will prevent the capacitor from storing any charge.Benefits of Using Tantalum CapacitorsThe use of tantalum capacitors in electronic circuits has several benefits:- High Capacitance: Tantalum capacitors have a high capacitance for their size, making them suitable for applications that require high capacitance in a small package. This makes them ideal for high-frequency applications, such as audio circuits, power supplies, and driver circuits.- Reliable Performance: Tantalum capacitors offer reliable performance–they are unlikely to fail under normal working conditions. They also tend to be more resistant to environmental factors, such as temperature and humidity, which is important in certain applications.- Low Cost: Compared to other types of capacitors, such as electrolytic capacitors, tantalum capacitors are generally much cheaper. This makes them a great choice for cost-sensitive applications, such as consumer electronics.Drawbacks of Using Tantalum CapacitorsDespite the many benefits of tantalum capacitors, there are some drawbacks that must be considered.- Limited Voltage Ratings: Tantalum capacitors are typically limited to low voltage ratings (in the range of 10V to 20V). This makes them unsuitable for high voltage applications.- Limited Lifespan: Although tantalum capacitors are generally reliable, they do have limited lifespans. Long-term exposure to high temperatures can reduce the lifespan of the device and cause a premature failure. Furthermore, the capacitance of a tantalum capacitor will decrease gradually over time, which affects its performance.- More Volatile than Alternatives: Unlike other types of capacitors, tantalum capacitors are more volatile and can potentially cause fires or damage to connected circuits. As a result, extra caution must be taken when using these capacitors in projects.ConclusionTantalum capacitors are an attractive choice for a variety of applications due to their high capacitance and low cost. The 293D156X0020D2TE3 is a popular tantalum capacitor with a capacitance of 156 microfarads, a 20V rating and a 0.2 ohm maximum ESR. It is often used in power supplies and speaker circuits due to its reliability and performance.However, there are some drawbacks that must be considered. Tantalum capacitors are limited to low voltage ratings, have limited lifespans and are more volatile than other types of capacitors. As a result, extra caution must be taken when using these capacitors in projects.

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