T540D687K2R5CH85057280

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:	2.5V
Tolerance:	±10%
Capacitance:	680µF
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, often referred to as T540D687K2R5CH85057280, are one of the most reliable types of capacitors available today. These capacitors are used in a variety of applications, such as automotive electronics, medical equipment, consumer audio and TV sets, and avionics.At the basic level, these capacitors contain two metal plates separated by an insulator, known as an electrolyte, which is capable of holding an electrical charge. The electrolyte is typically made from a metal oxide, such as tantalum or titanium dioxide, or a polymer based material. The metal oxide plates store electrical energy and permit current to flow across the plate when a voltage is applied.Tantalum-polymer capacitors utilize a unique technology where the electrolyte material consists of a solid block, printed board, or film coated with a conductive layer and then surrounded by an electrolyte, also known as a tantalum-polymer layer. This process dramatically increases the capacitance, thus allowing for more electrical energy to be stored in the device. The advantage of utilizing tantalum-polymer capacitors is their ability to offer higher capacitance than other type capacitors, such as aluminum electrolytic and ceramic capacitors. Additionally, they offer a much lower equivalent series resistance (ESR) than aluminum electrolytic and ceramic capacitors, allowing for devices to stay cooler during operation due to the decreased power dissipated. This is essential for applications that require a certain temperature range, such as server electronics and medical equipment. Tantalum-polymer capacitors are also superior in their ability to withstand high working voltages and current. This is especially beneficial in applications where the capacitor could potentially see a significant voltage spike, such as in avionics or automotive electronics. Additionally, the tantalum-polymer layer imparts a remarkable self-healing characteristic, allowing for the capacitor to remain operational even if a small section of the electrolytic layer is damaged. The self-healing characteristic is achieved by a phenomenon known as “dielectric breakdown”, which occurs when an electric current is discharged into the electrolyte material. The current flow creates a heat increase which vaporizes the material, leaving new material in its place. This process works quickly and the capacitor is able to work properly even after the damage. Tantalum-polymer capacitors are known for their reliability and are often used in aviation and automotive industries, due to their ability to withstand high temperature environments. They are also popular in compact and high-drain electronic devices where their superior capacitance and power dissipationIn conclusion, T540D687K2R5CH85057280 capacitors are one of the most reliable types of capacitors available today. Their superior capacitance, low ESR, and self-healing characteristics make them an ideal choice for applications that require a reliable and high-performing capacitor. They are also highly durable, able to withstand high temperatures and voltages. As such, they are excellent choices for applications requiring a reliable and reliable capacitor, regardless of the environment.

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