T540D227M004CH87057610

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:	4V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum - Polymer Capacitors

Tantalum - Polymer Capacitors are electrolytic capacitors which are lightweight and small in size, making them very popular in many electronics applications. The capacitors are mainly used for electrical energy storage, and their working principles are based on storing a charge by means of a dielectric material which separates two electrical conductors in the capacitor.The T540D227M004CH87057610, for example, is a tantalum-polymer capacitor with a rated voltage of 6.3 volts. This capacitor is particularly suitable for use in applications such as board or circuit board-level filtering and general-purpose power-supply capacitors. It is also suitable for large, high power applications such as large telecommunications base stations, high-speed switching power supplies and some small-signal, high frequency military applications.Tantalum-polymer capacitors are mainly used for applications where low equivalent series resistance, as well as low equivalent parallel inductance and capacitance are desired. These capacitors provide good stability and reliability in terms of high temperature and high humidity environments, due to their internal construction and the presence of a self-healing and non-polar dielectric material. With regard to their addition to a circuit, these capacitors are generally connected between two points, and can be used for a variety of applications such as filtering any ripple and noise from a power supply, and for transmitting AC signals at higher frequencies.The structure of tantalum-polymer capacitors is composed of a dielectric manganese dioxide (MnO2) end on a tantalum anode which is formed from a sintered tantalum powder. The anode is usually surrounded by a highly conductive MnO2 electrolyte, which further protects the capacitor from any electrical deterioration. The MnO2 acts as a dielectric material and allows electrical charge to pass through it, while remaining nearly impervious to the current flow.Tantalum-polymer capacitors provide a wide range of advantages over equivalent capacitors that are made of other materials. For example, they are much smaller in size than equivalent aluminum electrochemical capacitors, making them suitable for compact electronic devices. Furthermore, they offer considerably enhanced power dissipation as compared to aluminum electrolytic capacitors.In addition, tantalum-polymer capacitors are highly resistant to vibrations and can be mounted with minimal to no additional structural protection. This makes them particularly suitable for applications in Aerospace, Military and Automotive industries where conditions can be both rugged and unpredictable.Moreover, tantalum-polymer capacitors are highly resistant to the effects of temperature and humidity, which helps reduce the risk of their failure or degradation under operating conditions. Finally, these capacitors have a much lower leakage current rating than similar capacitors made from other materials, such as aluminum electrolytic capacitors, providing better performance and extended life.In conclusion, the T540D227M004CH87057610 tantalum-polymer capacitors are highly suited for a wide variation of applications that require a reliable solution to store electrical energy. As such, this type of capacitor is becoming increasingly popular in various industries due to its many advantages, such as its small form factor and excellent electrical stability.

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