T540D687M003BH85057610

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:	680µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

T540D687M003BH85057610, or Tantalum - Polymer Capacitors, is an electronic component which offers both a very high capacitance and a very low temperature coefficient. This type of capacitor has been increasingly popular for a wide range of applications in various fields such as military, medical, communication and aerospace. Its high capacitance and low profile make it ideal for use in demanding applications where size is a critical factor. This article will discuss the application fields and working principle of the T540D687M003BH85057610 capacitor.

Applications of Tantalum - Polymer Capacitors

The T540D687M003BH85057610 capacitor can be used for a variety of applications. It is often used in high speed switching circuits, as it has a low impedance which helps reduce power loss. The low temperature coefficient of the capacitor also makes it ideal for applications which require stability over wide temperature ranges. Furthermore, the high capacitance of this type of capacitor makes it suitable for applications requiring high speed, precision and high accuracy. For example, the capacitor is often used for advanced medical imaging and sensor applications.The capacitor can also be used in power supply circuit designs. The low ESR of the capacitor allows for low voltage drops, and allows for more efficient energy storage. The low impedance also reduces power loss and increases the amount of energy that is available from the power supply. Furthermore, the high capacitance of this type of capacitor allows for more complex circuits to be designed, providing more variety and versatility for the designer.The capacitor can also be used for audio applications, as its low impedance reduces distortion caused by the electronics. This type of capacitor is ideal for applications which require low distortion and high frequency response, such as amplifiers and loudspeakers. The capacitor can also be used in the power supply design of an audio device, as the low ESR of the capacitor allows for a smooth, even voltage supply.

Working Principle

Tantalum - Polymer capacitors are constructed from two electrodes separated by a solid, conductive polymer material. The electrodes are usually made of tantalum, or niobium, which has a much lower resistance than metals. When a voltage is applied to the capacitor, electric current flows through the electrodes and the polymer layer, creating an electric field between the two electrodes. This electric field provides the capacitance of the capacitor, allowing it to store energy.The advantages of this capacitor when compared to traditional capacitors is that they can be made to store much more energy, with much lower losses. Furthermore, the low resistance of the electrodes ensures that the capacitor is able to provide much more power when compared to traditional capacitors. Finally, the solid polymer layer ensures that the capacitor is highly durable, and can be used in demanding applications.

Conclusion

The T540D687M003BH85057610 capacitor is an ideal component for various applications in demanding fields such as military, medical, communication and aerospace. Its high capacitance and low ESR make it suitable for applications which require high speed, precision and accuracy. Furthermore, its low impedance reduces power loss and allows for low voltage drops. The low temperature coefficient also ensures stability over wide temperature ranges. Finally, the solid, conductive polymer layer ensures that the capacitor is highly durable and can be used in demanding applications.

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