195D685X9025Y8T

Tantalum Capacitors

Tantalum capacitors are one of the most commonly used capacitor types, covering a wide range of applications. The main distinction between different types of tantalum capacitors is the type of anode used. The most common type is an alumina (Al₂O₃)based anode, the other being a sintered tantalum anode. They are also known by their assigned JEDEC code: “MnO₂” for the former and “Ta” for the latter.

The “195D685X9025Y8T” tantalum capacitor is a polymer tantalum capacitor with a sintered tantalum anode. It is most commonly used in decoupling and high frequency applications due to its low ESR. It has a rated voltage of 6.3V and a capacitance of 68µF. It is a surface mount device (SMD) which makes it a popular choice for use on circuit boards and other tight spaces.

The “195D685X9025Y8T” is a radial leaded tantalum capacitor, where the anode terminal is located on the positive side of the capacitor. The anode is made of a sintered porous material which is then treated with manganese dioxide to provide the electrical stability. The cathode is made of a metal-oxide layer which acts as an electrical polariser. This type of capacitor has a relatively low ESR (equivalent series resistance) and higher capacitance-voltage ratios compared to other types of tantalum capacitors.

The working principle of the capacitor is the same as any other. Two electrically conducting plates are separated by an insulating medium such as air. When a voltage is applied, electric lines of force are created on either side of the capacitor and act as a filter to prevent sudden changes in voltage and current. This helps maintain a stable signal and also reduces electrical noise.

Tantalum capacitors can be used in a variety of applications such as decoupling and power supply filtering, pulse applications, and audio applications. In power supply filtering applications, they help regulate the voltage across the circuit, and eliminate any electrical noise and spikes on the line. In audio applications, they can help reduce ground noise and improve the sound quality. They are also used commonly in motor drives, in high frequency circuits, and in automotive electronics.

Tantalum capacitors can be found in a wide variety of electronic devices such as cameras, computers, cell phones, and home audio systems. Their high reliability, good temperature stability, and low ESR characteristics make them an ideal choice for use in these devices.