CWR26HB226JCGB\TR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Tantalum Capacitors Application Field and Working Principle

Tantalum capacitors or tantalum electrolytic capacitors are one of the most modern and compact electronic components available today. These devices are widely used in commercial applications such as consumer electronics, audio, automotive, industrial, medical, and aerospace. A Tantalum capacitor’s most common application would be in power supplies, where its extremely low equivalent series resistance (ESR) makes it an ideal choice for low-noise, temperature-stable power delivery.

The device’s construction is quite simple, consisting of three main components: the tantalum metal anode, a dielectric oxide layer, and an electrolytic solution with counterplate. These components work together to form a capacitor that can store electrical charge.

The process begins by pressing high purity tantalum powder into pellets and sintering them to form the anode. The dielectric oxide layer is then added in the form of a thin film that is applied to the tantalum surface. This acts as an insulator, preventing leakage of current.

The counterplate is then added in the form of an electrolyte solution, which is typically an alkaline or acid solution. This solution, when combined with the dielectric oxide layer, creates a capacitor that can store electrical energy and in turn, generate a voltage when a current is applied. The resultant voltage is a function of the capacitance rating of the device and the amount of charge stored in the oxide layer.

The major advantage of tantalum capacitors over other capacitor technologies is that they are smaller and lighter than aluminum electrolytic capacitors, making them ideal for use in high-density electronics. They also offer superior temperature stability and very low leakage current, making them suitable for use in medical and aerospace applications.

The most common type of a tantalum capacitor is a cylindrical CWR26HB226JCGB/TR. It is composed of a cylindrical end-cap base with a metal anode, a dielectric oxide layer and an electrolyte solution. This type can be used in a variety of consumer, industrial and military applications. The chief advantages of this type are that it has very low ESR, low leakage current and excellent temperature stability.

In conclusion, the use of tantalum capacitors has become increasingly popular due to their small size and superior performance. Their wide range of applications in consumer, industrial, and military applications, along with their low ESR, low leakage current, and excellent temperature stability make them one of the most commonly used components in the modern electronics industry.

The specific data is subject to PDF, and the above content is for reference