T540D687M003AH85057610

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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Tantalum - Polymer Capacitors: T540D687M003AH85057610 Application Field and Working PrincipleThe trend of miniaturisation in electronic devices, especially in the field of power electronics, in the past two decades has pushed technological innovations to their limits. A way out of this problem has been found in the development of the tantalum-polymer capacitor, consisting of organic polymer and a metal oxide on its surface. These components are incredibly small and compliant, but also robust, stable and reliable. This type of capacitor is used for a variety of applications, ranging from automotive, medical, computer and communications industries.T540D687M003AH85057610 is an example of a tantalum-polymer capacitor. It is an ultra-low ESR (Equivalent Series Resistance) capacitor with a very low self-discharge. In the end, it allows the capacitor to maintain a higher rate of current, enabling it to be used in high power electronics applications.The capacitors most commonly come in the form of either a solid or a wet electrolyte capacitor. The wet electrolyte capacitor provides better performance, better temperature stability and a lower ESR. The solid electrolyte capacitor offers lower ESR, higher ripple current ratings and lower cost of manufacturing.The working principle of a tantalum-polymer capacitor is quite simple. An organic polymer is sandwiched between two tantalum metal plates, which are both electrically insulated from one another by the insulating polymer. The tantalum metal acts as the electrolyte, allowing electrical charges to be exchanged between the two plates. When a voltage is applied, electric charges flow from one plate to the other, through the organic polymer. The organic polymer acts as a dielectric, and it’s properties determine the capacitance of the capacitor.The working principle of a tantalum-polymer capacitor is based on a simple charge exchange between the two plates. This type of capacitor is ideal for high frequency operations, where its properties are advantageous compared to other types of capacitors. It has a wide temperature range, as well as a high endurance, meaning that it can handle large conditions in temperature, voltage and current, making it ideal for power electronics applications. The high frequency and low ESR make the tantalum-polymer capacitor perfect for filtering applications, especially in the highly demanding automotive and medical industries.At the same time, the high volumetric efficiency of the tantalum-polymer capacitor makes it a great choice for miniaturization applications. Its small footprint and high performance enable it to work in highly compact and small electronics devices, where other types of capacitors may not be able to fit.T540D687M003AH85057610 is an excellent example of today’s microelectronic engineering genius. Its performance has been optimized to provide the highest performance and reliability. Capitalizing on its advantages such as low ESR and high endurance, this type of capacitor can be used in a variety of automotive, medical, computer and communications applications, and even find itself in various consumer electronics devices.

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