T540B686M004AH8510WAFL

Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 125°C
Series:	KO-CAP® T540
ESR (Equivalent Series Resistance):	80 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	4V
Tolerance:	±20%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray - Waffle

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Introduction to Tantalum - Polymer Capacitors

Tantalum - polymer capacitors are a type of capacitor that combines the advantages of two different capacitors, making them ideal for a variety of applications. They are composed of two components: an anode, which is made from a metal oxide base and a cathode, which is made from a specialty polymer or metal oxide material. These two components are then bonded together by an electrical insulator, such as a dielectric film.

The Features of Tantalum – Polymer Capacitors

Tantalum – polymer capacitors are very desirable due to their low leakage currents, excellent stability, low ESR and high capacitance. Since they are made up of two differently-doped materials, they are able to store electrical energy more quickly than traditional tantalum capacitors and maintain that energy over a longer period of time. Additionally, they are much more tolerant of high temperature environments, making them ideal for use in a wide range of applications.

The Application Field of T540B686M004AH8510WAFL

The T540B686M004AH8510WAFL is a particular type of tantalum - polymer capacitor. It is designed for use in high voltage, high temperature applications such as aerospace, automobile, telecommunication, and consumer electronic products. Due to its low leakage, high capacitance, excellent stability, and low ESR, it can be used in a wide range of applications, including DC-DC converters, active filters, power management circuits, load switches, switched-mode power supplies, and more.

Working Principle of T540B686M004AH8510WAFL

The working principle of the T540B686M004AH8510WAFL is quite simple. It functions much like a traditional capacitor, utilizing the physical separation of an anode and cathode to store electrostatic energy. When an electric current is applied, the electrons from the anode travel through the dielectric to the cathode, creating an electric field. This field then stores the electrical energy and can be released or discharged as needed.The advantage of this type of capacitor lies in its two components. The anode is made of a metallic oxide base that is highly conductive and able to store and release energy quickly. The cathode, on the other hand, is made of a specialty polymer or metal oxide material that is capable of storing energy over longer periods of time. This combination of materials creates a highly efficient energy storage unit that can power various high voltage, high temperature applications.

Conclusion

In conclusion, the T540B686M004AH8510WAFL is a type of tantalum - polymer capacitor that combines the advantages of two different capacitors, making them ideal for a variety of high voltage, high temperature applications. The combination of the anode’s efficiency and the cathode’s longevity in storing electrical energy creates a highly efficient energy storage unit that can power numerous applications.

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