TWAA686K025SBEZ0000

ESR (Equivalent Series Resistance):	2.5 Ohm
Failure Rate:	--
Features:	Wet Tantalum
Manufacturer Size Code:	A
Height - Seated (Max):	--
Size / Dimension:	0.219" Dia x 0.453" L (5.56mm x 11.51mm)
Package / Case:	Axial
Lifetime @ Temp.:	--
Operating Temperature:	-55°C ~ 125°C
Series:	TWA-E
Type:	Hermetically Sealed
Voltage - Rated:	25V
Tolerance:	±10%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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TWAA686K025SBEZ0000 Application Field and Working Principle

Introduction to Tantalum Capacitors

Tantalum capacitors are used in a wide range of applications and are known for their reliable performance and low equivalent serial resistance. They are also known for their tolerance to high temperatures, making them a popular choice in aerospace, automotive and military/defense applications. As well as other applications, they are often used in signal applications to filter out high frequency noise and signal distortion. The capacitor also offers high humidity tolerance and a low rated current leakage. Tantalum capacitors are available in a wide variety of case sizes, most commonly with molded cases. The capacitance and voltage rating are printed on the surface of the capacitor. The internal structure of the capacitor includes two electrodes, each made of a tantalum pentoxide dielectric layer or Ta2O5, which is a highly efficient dielectric material. Oxide layers are formed on the surface of the electrodes, which create the necessary electrical insulation and increase the overall capacitance of the device.

TWAA686K025SBEZ0000

TWAA686K025SBEZ0000 is a type of SMD (Surface Mount Device) tantalum capacitor. The voltage rating for this capacitor is 10 volts and it has a capacitance of 6.8μF. It is a non-polar capacitor and it has a low impedance of 0.25Ω. This makes it suitable for high frequency applications where low ESR (equivalent serial resistance) is required. This capacitor is made of two tantalum anode electrodes, a Ta2O5 dielectric layer, and two cathode electrodes.The SMD tantalum capacitors are suited to a wide range of applications such as aerospace, automotive, defense and consumer electronics. They are also suitable for applications such as automotive powertrain systems, power supplies, and telecommunications equipment, where their low voltage rating and low-loss characteristics are essential. They are often used in signal applications to filter out high frequency noise and signal distortion and can be found in many consumer electronics products like CD players and mobile phones.

Working Principle

The working principle of tantalum capacitors is largely the same as other capacitors. When a voltage is applied across the capacitor, current is drawn to the anode. This causes an electrochemical reaction in the anode and cathode, which causes the formation of a periodic dielectric field. The periodic dielectric field (or electric field) causes the anode and cathode to be attracted to each other and subsequently, the capacitor stores a charge.When the voltage is removed from the capacitor, the charge that was stored begins to dissipate. The period of time it takes for the capacitor to completely discharge is known as the "capacitor\'s RC time constant". The capacitor\'s RC time constant is determined by the capacitance and the equivalent serial resistance of the device. Therefore, the TWAA686K025SBEZ0000 capacitor has a low equivalent serial resistance (ESR) of 0.25Ω, which allows it to be used in applications where a low ESR is essential. Furthermore, because of the low voltage rating of 10 volts, the capacitor is suitable for lower voltage applications such as signal applications, where its low loss characteristics can be associated.

Conclusion

Tantalum capacitors are a very popular choice for high temperature, high humidity, and low voltage applications. They are known for their low equivalent serial resistance (ESR) and low voltage rating. They have a wide variety of applications in consumer electronics products such as CD players, mobile phones and other devices. The TWAA686K025SBEZ0000 capacitor is one such device which is suitable for applications such as signal filtering and where low ESR and low voltage is essential. Its working principle is similar to other capacitors, where it uses an electrochemical reaction between anode and cathode, and then stores and releases charge based on the capacitor’s RC time constant.

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