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:	3V
Tolerance:	±20%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

T540D477M003AH86057280 is a type of tantalum-polymer capacitors, which has an extremely large capacitance and is used for a variety of applications. It is a component of capacitors in high-end electronic equipment such as computers, satellite receivers and industrial controls. This type of capacitor has a large voltage rating and it is capable of withstanding high operating temperatures without reducing its performance.

Application Field of T540D477M003AH86057280

T540D477M003AH86057280 capacitors are mainly applied in the fields of power electronics, automotive electronics and telecommunications. Power electronics applications require higher tolerances and temperatures, so these capacitors are perfect for these situations. Capacitors are also used for power conversion applications such as for motor drives and AC-DC power supplies.The tantalum-polymer capacitors also find applications in telecom systems. They are used to handle large transient currents in telecom systems, thus providing a reliable performance. Moreover, these capacitors are used in high-power test systems and medical systems, where their high temperature and voltage tolerance makes them an ideal choice.

Working Principle of T540D477M003AH86057280

T540D477M003AH86057280 capacitors store electrical energy by using the overlapping of two thin electrolytic layers of tantalum-polymer material. The function of the two layers is to increase the capacitance and provide more space for storing more energy. A tantalum-polymer capacitor consists of two terminals, a positive electrode, and a negative electrode. When a voltage is connected between these two terminals, electrons start to flow between them, thereby forming a current.The electrons will flow through the two layers until they reach an equilibrium state. During the process, the electrons will move to the positively charged electrode and will be attracted to the negatively charged electrode. This means that the capacitor will collect energy from the applied voltage and will store it as a type of static electric field. The rate at which this energy is stored is determined by the capacitance of the capacitor, which is usually measured in Farads.The voltage rating of the capacitor determines the maximum current that can be safely applied to it. When the voltage is exceeded, the capacitor will go into short-circuit mode, causing it to overheat and potentially damage the other components. It is therefore important to ensure that the correct voltage is applied to the capacitor to avoid possible damage.

Conclusion

T540D477M003AH86057280 is a type of tantalum-polymer capacitors, which has a large capacitance and is capable of withstanding high temperatures and voltage ratings. This type of capacitor is mainly used in power electronics, automotive electronics and telecommunications applications. Its working principle is based on the overlapping of two thin layers of tantalum-polymer material, which stores electrical energy as a static electric field. It is important to ensure that the correct voltage is applied to the capacitor in order to avoid possible damage to other components.

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