One - stop services
Spanning from electronic DESIGN to the SALE of electronic components.
Tantalum Capacitor
Tantalum capacitors are compact components capable of achieving high capacitance values.
They were first successfully developed by Bell Labs in the United States in 1956 and are known for their excellent performance.
Tantalum capacitors come in a variety of shapes, including small and chip-type packages suitable for surface mounting.
They are widely used not only in military communications, aerospace and other high-reliability fields, but also increasingly in industrial control, audio-visual equipment, communication instruments and other commercial products.
They were first successfully developed by Bell Labs in the United States in 1956 and are known for their excellent performance.
Tantalum capacitors come in a variety of shapes, including small and chip-type packages suitable for surface mounting.
They are widely used not only in military communications, aerospace and other high-reliability fields, but also increasingly in industrial control, audio-visual equipment, communication instruments and other commercial products.
Tantalum capacitors, fully known as tantalum electrolytic capacitors, are a type of electrolytic capacitor that uses metallic tantalum as the dielectric, instead of electrolyte as in conventional electrolytic capacitors. Unlike ordinary aluminum electrolytic capacitors wound with aluminum foil and paper, tantalum capacitors have almost no inductance, although this also limits their maximum capacitance. In addition, since they contain no liquid electrolyte, they are highly suitable for high-temperature operation. Their unique self-healing property gives them long service life and high reliability.
Solid tantalum capacitors offer excellent electrical performance, wide operating temperature range, various package styles and outstanding volumetric efficiency. Their working dielectric is an extremely thin layer of tantalum pentoxide formed on the surface of tantalum metal. This oxide dielectric film is integrally bonded to one electrode of the capacitor and cannot exist independently. As a result, tantalum capacitors achieve an extremely high electric field strength per unit volume, resulting in very high capacitance and high specific capacity, making them ideal for miniaturization.
With their outstanding performance, tantalum capacitors are among the best compact, high-capacitance capacitors and have few competitors in power filtering, AC bypass and similar applications.
Tantalum electrolytic capacitors can store electric charge, charge and discharge efficiently. They are mainly used for filtering, energy storage and conversion, signal bypass, coupling, decoupling, and as time-constant components. In application, their performance characteristics must be carefully considered. Proper use — including taking into account the operating environment, temperature rise and derating — helps maximize their performance. Improper use may shorten their service life.
During operation, tantalum capacitors automatically repair or isolate defects in the oxide film, reinforcing insulation and restoring dielectric strength continuously to avoid progressive cumulative damage. This unique self-healing characteristic ensures their long life and high reliability.