T521X227M016ATE035

Operating Temperature:	-55°C ~ 125°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	X
Lead Spacing:	--
Height - Seated (Max):	0.169" (4.30mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 125°C
Series:	KO-CAP® T521
ESR (Equivalent Series Resistance):	35 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	16V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum - Polymer Capacitors

Tantalum - Polymer capacitors are rapidly gaining popularity in the consumer and industrial markets due to their unique advantages. Compared to other types of capacitors, they offer higher capacitance and lower equivalent series resistance (ESR). Coupled with increased reliability and enhanced safety features, they are becoming increasingly attractive as an alternative to other electrical components. In particular, T521X227M016ATE035 capacitors, manufactured by KEMET, are a popular choice of capacitor. They are a 10V rated tantalum polymer capacitor that comes in a surface mount case with a maximum operating temperature of 105°C. The two main applications for this type of capacitor are energy storage and filtering.

Energy Storage Application

Tantalum - Polymer capacitors are often used in energy storage applications due to their ability to store energy and release it in a controlled manner. They can be used as an auxiliary power source for electronic systems and in cases where a large charge or discharge of energy is required. This makes them ideal for applications such as power supplies, SSDs, and energy harvesting.

Filtering Application

T521X227M016ATE035 capacitors are also popular for their filtering capabilities. By connecting two capacitors in series, they create an AC filter, which can efficiently trap AC (alternating current) noise while still allowing the desired DC (direct current) signal to pass. This makes them useful for filtering applications such as medical electronics, automotive electronics, and audio systems.

Working Principle

Tantalum - Polymer capacitors are based on a unique construction that involves two electrodes, an extremely thin anorganic electrolyte film, and an organic polymeric dielectric material. The construction has several advantages compared to other types of capacitors, such as lower ESR, increased reliability, and improved temperature characteristics.The working principle of the capacitor is based on the transfer of electric charge from one electrode to the other. When a charge is applied to the capacitor, it causes a displacement of electrons in the electrodes, which in turn creates an electric field between them. This electric field causes a charge to build up in the electrodes, which is known as the capacitance of the capacitor.As the capacitor is charged and discharged, the charge and counter charge charge will continually exchange position between the electrodes. This exchange of charge is known as the capacitance current, which is an important part of the capacitor\'s operation.

Conclusion

Tantalum - Polymer capacitors are rapidly gaining popularity due to their unique features and performance. With applications ranging from energy storage and filtering to temperature sensing and audio systems, they are becoming an increasingly attractive alternative to traditional capacitors. The T521X227M016ATE035 capacitor, manufactured by KEMET, is a particular example of a tantalum polymer capacitor that is suited to a wide range of applications. Moreover, its unique construction and working principle make it an ideal choice for many industrial and consumer products.

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