T540D337K006AH85107280

Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.122" (3.10mm)
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® T540
ESR (Equivalent Series Resistance):	40 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±10%
Capacitance:	330µF
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 a specialized type of capacitor that utilizes features and benefits not found in traditional types of capacitors. They are finding increasing use in various applications, such as consumer electronics, automotive, military, aerospace and medical devices. The T540D337K006AH85107280 capacitor is an example of a tantalum-polymer capacitor.

Application Field

Tantalum-polymer capacitors are used in a wide range of electronic systems, from consumer or medical electronic applications to industrial, military and aerospace applications. They are used to ensure the performance, longevity and robustness of embedded systems and can also be used in combination with other types of capacitors to create more efficient power supplies. For example, they can be combined with super capacitors to create hybrid capacitors for energy storage applications.In consumer applications, tantalum-polymer capacitors are particularly useful in applications where very high capacitance density and high voltage ratings are needed, such as in laptop and cell phone motherboards. In industrial applications, these capacitors are often employed to meet very specialized technical requirements such as extended temperature ranges, ultra-low ESR (Equivalent Series Resistance) and voltage balancing.

Working Principle

Tantalum-polymer capacitors are constructed with a capacitive element formed gradually by sandwiching a matrix of electrically conductive polymers between rugged layers of tantalum pentoxide dielectric. The result is a very thin, light weight and reliable capacitor with high capacitance density.The capacitance and ESR of the capacitor are dependent on factors such as the temperature, capacitance of the polymer dielectric and the thickness of the tantalum dielectric layers. The capacitance increases with temperature whereas the ESR decreases.Due to their construction, tantalum-polymer capacitors also have remarkable resistance to vibration and shock, making them very suitable for applications where physical shock and vibration is common. They are also resistant to moisture and other environmental factors, making them an ideal choice for embedded applications with constrained board space and challenging operating environments.

Conclusion

The T540D337K006AH85107280 capacitor is an example of a tantalum-polymer capacitor, a type of capacitor with beneficial properties for a wide range of applications, such as consumer electronics, automotive, military, aerospace and medical devices. They are constructed with a capacitive element formed gradually by sandwiching a matrix of electrically conductive polymers between rugged layers of tantalum pentoxide dielectric, resulting in a reliable capacitor with high capacitance density, excellent resistance to vibration and shock, and a resistance to moisture and other environmental elements.

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