TAJA686K004RNJ

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	TAJ
ESR (Equivalent Series Resistance):	1.5 Ohm
Type:	Molded
Voltage - Rated:	4V
Tolerance:	±10%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Tantalum capacitors, also known as tantalum electrolytic capacitors, are type of electrolytic capacitor, which is composed of tantalum and different types of electrolyte. They are mainly used for applications that require high performance and low impedance. The TAJA686K004RNJ is one type of tantalum capacitor that has a series with excellent characteristics, such as long life and low ESR (Equivalent series resistance). It is widely used in various applications, such as computing and communication systems and military or space-grade applications.

Application Field

Tantalum capacitors are mainly used for high-frequency applications due to their excellent characteristics. The TAJA686K004RNJ is mainly used in military or space-grade applications, such as long-life computing and communication systems. It is also used in advanced high-frequency electronics, such as personal computers, cell phones, and aerospace systems, due to its excellent electrical characteristics.The TAJA686K004RNJ has a maximum voltage of 6.3V, and can handle temperatures up to 105°C. This makes it suitable for use in extreme environments, such as high-altitude aerospace systems. Additionally, its long life and low ESR makes it suitable for applications that require a long life time and low impedance, such as embedded systems and portable electronic devices.

Working Principle

The TAJA686K004RNJ is a type of tantalum capacitor that works by the principle of capacitor polarization. A capacitor is a device that stores energy in the form of an electric field created by two surfaces that are separated by an insulating material. This electric field can be used to conduct current when a voltage is applied across the two surfaces.In the TAJA686K004RNJ, the two surfaces are made up of a tantalum plate and an electrolytic solution. The tantalum plate acts as the anode and its surface is covered in a thin insulating oxide film. The electrolyte is used to create a polarization effect, which allows current to flow across the anode and dissolve the oxide film, forming the dielectric layer.When a voltage is applied across the capacitor, electric charges accumulate on the anode and the cathode and the electric field between them increases. This increases the capacitance of the capacitor, which allows it to store more energy. To discharge the capacitor, the electric field is reduced and current begins to flow in the opposite direction.

Conclusion

The TAJA686K004RNJ is a type of tantalum capacitor that is widely used in high-frequency applications and extreme environments, such as military and space-grade systems. It has a maximum voltage of 6.3V and can handle temperatures up to 105°C. It also has a long life and low ESR, which make it suitable for applications that require a long life time and low impedance. The working principle is the same as any other capacitor, where an electric field is created between the anode and the cathode to store energy, and is then discharged when the voltage is reversed.

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