T540B686K004CH8510

Series:	KO-CAP® T540
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	68µF
Tolerance:	±10%
Voltage - Rated:	4V
Type:	Molded
ESR (Equivalent Series Resistance):	80 mOhm @ 100kHz
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	2000 Hrs @ 125°C
Mounting Type:	Surface Mount
Package / Case:	1411 (3528 Metric)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Height - Seated (Max):	0.083" (2.10mm)
Lead Spacing:	--
Manufacturer Size Code:	B
Ratings:	COTS
Features:	High Reliability

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Tantalum - Polymer CapacitorsTantalum - polymer capacitors are a type of high-voltage, high capacitance capacitors that provide a high level of performance in demanding electrical applications. Polymer capacitors are often the go-to option for a variety of applications that may require high capacitance levels and/or high voltage levels. The capacitor technology is often chosen for high-power, high-frequency, and low-impedance applications such as power supplies, RF, and audio/video applications.The T540B686K004CH8510 is a tantalum polymer capacitor that offers a wide range of capabilities, including a rated voltage of 25 volts and a capacitance of 6.3. µF. The T540B686K004CH8510 features long life and stability as well as high humidity- and temperature-resistant capabilities for reliable operation in a variety of settings. This type of capacitor is an ideal choice for use in high ripple current applications and any application requiring high power delivery and frequency without sacrificing low impedance.The working principle of the T540B686K004CH8510 is based on a combination of a self-healing dielectric and an electrolytic capacitor. The self-healing dielectric consists of an organic polymer film and provides a good electrical insulation that prevents excessive electric currents and potential spark gaps. This type of dielectric offers excellent high temperature and high humidity performance and low leakage currents, thus providing a high level of reliability. The electrolytic capacitor is formed with a metal oxide film. This type of capacitor provides a higher capacitance, but tends to age much quicker than the self-healing dielectric.Tantalum - polymer capacitors such as the T540B686K004CH8510 are used in a variety of electronic applications, especially for high ripple current applications. This type of capacitor offers a high current carrying capacity, as well as good temperature and high frequency performance. This type of capacitor is also ideal for use in audio applications, such as sound systems and high-end audio amplifiers, thanks to its low equivalent series resistance (ESR) and low impedance characteristics. Additionally, its long life, low leakage, and high temperature capabilities make the T540B686K004CH8510 perfect for medical and military applications.As with all capacitors, tantalum - polymer capacitors require proper design, installation, and maintenance. This is especially important for high frequency and high current applications. A properly designed circuit will contain large capacitors in parallel to achieve the desired capacitance levels and small capacitors in parallel to manage the current. Additionally, the use of capacitor bypasses and snubber circuits can help maintain the stability of the capacitor. Proper maintenance of a tantalum - polymer capacitor includes periodic inspection of the dielectric, especially in relation to the anode foil, as well as regular monitoring of performance and capacitance levels.In conclusion, the T540B686K004CH8510 is a high performance, high voltage, and high capacitance capacitor that is ideal for use in high power, high frequency, and low impedance applications. It provides long life, excellent temperature and humidity performance, and low leakage capabilities, making it ideal for use in a variety of electronic applications. Additionally, proper design, installation, and maintenance is essential for reliable operation of this type of capacitor.

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