M39003/01-2981/TR

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M39003/01-2981/TR Application Field and Working Principle

Tantalum capacitors are a type of electrolytic capacitor, a member of the family of capacitors which includes aluminum electrolytics, niobium electrolytics, and polymer capacitors.

Tantalum capacitors offer lower leakage rates and higher working voltage ratings than aluminum electrolytic capacitors, making them suitable for use in high frequency signal processing applications. Additionally, they are also very durable and reliable in applications requiring a low-profile design.

The M39003/01-2981/TR is a series of tantalum capacitors, designed for use in various electronic circuits. The key feature of the series is its wide operating temperature range of -55°C up to +125°C, making it suitable for a variety of industrial and military applications. Other features include low ESR, high ripple current capabilities, and a low-profile design.

Working Principle

Tantalum capacitors use a tantalum oxide (Ta2O5) dielectric material, which is electrochemically formed onto the surface of a tantalum metal anode. The anode is then embedded in a wet electrolyte solution, usually a mixture of ethylene glycol and boric acid. The electrolyte solution serves as the cathode.

An electric field is created across the dielectric due to the potential difference between the two electrodes. This electric field stores the electrical charge and acts as the capacitor\'s dielectric material.

The M39003/01-2981/TR series of tantalum capacitors is designed with a wet electrolytic system, which is more stable and reliable than its dry-type counterpart. Additionally, the wet electrolytic system has a higher capacitance than the dry type.

Applications

Tantalum capacitors offer a variety of benefits compared to other types of capacitors, making them suitable for a wide range of applications. The M39003/01-2981/TR series has a wide temperature range, making it suitable for use in high temperature environments like industrial control systems, automotive, or military applications. It also has low ESR and high ripple current capabilities, making it suitable for use in high frequency signal processing applications.

The low profile form factor and excellent stability make it ideal for use in portable electronic devices like cellular phones, notebook computers, and digital cameras. Additionally, the low ESR makes it suitable for use in power supply filtering and other high-power applications.

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