M39003/01-7064/TR

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Tantalum Capacitors

M39003/01-7064/TR application field and working principle

Tantalum capacitors, also known as Ta, Ta2O5, or tantalum oxide capacitors, have higher energy density than other capacitor types and therefore are widely used in high density applications. The main applications are for decoupling, filtering, energy storage and timing. The M39003/01-7064/TR capacitors are specifically designed for the military, and are used in electronic circuits requiring high reliability.

These capacitors are manufactured from sintered tantalum powder, an electrolyte and a metal shell. The powder is made of a high purity Tantalum (Ta) and an oxide based dopant, usually containing niobium (Nb). The two components are mixed together and then pressed into the shape of the capacitor.

The two main components of the M39003/01-7064/TR capacitors are the anode and cathode. The anode is composed of tantalum oxide which becomes electrically conductive when a voltage is applied to it. This creates an AC field that induces a charge build-up on the anode, known as an electric double layer. The cathode is made up of tantalum metal, and when a voltage is applied to it, the metal will become chemically active and react with the tantalum oxide anode, forming electrical charged particles (ions).

When the capacitor is connected in an electronic circuit and a voltage is applied, the ions will migrate between the two poles, and this will cause the electrolyte to change from a liquid to a solid state. This, in turn, causes a change in the electrical properties of the capacitor, such as its capacitance, resistance, and inductance. The capacitor will then store energy in the form of a charged electric double layer.

The M39003/01-7064/TR capacitors withstood tough environments like high temperature, vibration, radiation and humidity. They are also resistant to extreme heat, pressure, and corrosion. They are extremely rugged and compact which makes them suitable for many military and industrial applications.

The M39003/01-7064/TR capacitors offer excellent performance in terms of leakage current, ripple current, and capacitance stability. They have a wide capacitance range from 0.47µF to 2.2µF and are available in various packages including, moulded, threaded and snap-in. They are non-polar (tantalum oxide capacitance) and can be used in AC or DC circuits.

Tantalum capacitors are widely used in military and aerospace applications due to their high performance and reliability. The M39003/01-7064/TR capacitors have a long history of success in many critical applications. They are highly reliable, lightweight, and very cost-effective, making them an excellent choice for a variety of applications.

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