T540B686K004AH85107280

Features:	High Reliability
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

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Tantalum - Polymer Capacitors: T540B686K004AH85107280 Application Field and Working Principle

Tantalum - polymer capacitors are increasingly used in a wide variety of electronic applications. These components are used extensively in the computer, military and auto-related industries, among others. As the name suggests, these capacitors are constructed from tantalum and a polymer material. The high capacitance, low profile, light weight, and fast response time, as well as their superior reliability, all make them attractive for use in many different fields. In this article, we will look at the application field and working principle of the T540B686K004AH85107280, a tantalum - polymer capacitor, and discuss its advantages and disadvantages in more detail.

Application Field of T540B686K004AH85107280

T540B686K004AH85107280 tantalum - polymer capacitors are excellent for use in low voltage applications because of their high capacitance and low profile. The capacitance of the T540B686K004AH85107280 ranges from 0.68μF to 4.0μF and its operating temperature is -55°C to 105°C. The operating voltage range for this particular capacitor is 1.0V to 10V, making it an ideal choice for a variety of low voltage applications such as in secondary power supply circuits, protection circuits, and surge absorption circuits. The industry leading low ESR (Equivalent Series Resistance) makes these capacitors ideal for high frequency applications such as radio, LED lighting, and switching power supply circuits.

Working Principle of T540B686K004AH85107280

Tantalum - polymer capacitors, like all other capacitors, work by storing electrical energy. In a capacitor, a pair of conductive plates are separated by an insulating layer, and when a voltage is applied across the plates, electrical charge accumulates on them. The amount of charge stored is proportional to the voltage, and it is this charge that is used to supply power to the circuit in which the capacitor is installed.The T540B686K004AH85107280 is a tantalum - polymer capacitor, and as with other polymer capacitors, the insulating material is a conductive polymer. The polymer absorbs the electrical charges and stores them, which allows the capacitor to deliver a higher capacitance for a given volume than traditional tantalum capacitors. The polymer also provides excellent ion resistance, ensuring better reliability and longer life.

Advantages of T540B686K004AH85107280

There are numerous advantages that come with using the T540B686K004AH85107280 tantalum - polymer capacitor. In addition to the aforementioned high capacitance and long life, these capacitors also have a low internal resistance, making them excellent for high frequency applications. Furthermore, they are relatively small and lightweight, making them easy to install and using less space. The capacitor also has a high ripple current rating, making it suitable for applications requiring intense current.

Disadvantages of T540B686K004AH85107280

Of course, there are some drawbacks to using the T540B686K004AH85107280 tantalum - polymer capacitor as well. The main disadvantage is the limited operating temperature of this capacitor - at 105°C, it is significantly lower than traditional capacitors. Furthermore, the capacitor is relatively expensive compared to other options. Finally, the capacitor requires a resistor in order to work properly and the size of the resistor must be selected based on the particular application.

Conclusion

Tantalum - polymer capacitors, such as the T540B686K004AH85107280, provide an excellent solution for many different low voltage applications. Due to their high capacitance, low internal resistance, and small size, they are ideal for electronics, computers and military applications. Furthermore, these capacitors offer high ripple current ratings and long life. However, they do have some drawbacks such as a limited operating temperature and a relatively high cost. Nevertheless, these capacitors offer outstanding performance and are worthy of consideration when selecting the best option for a particular application.

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