Description :
Tantalum capacitors are, with ceramic, aluminium and film capacitors, one of the most used family.
The manufacturing technology and the constant improvements in tantalum powders allow it to be the capacitor with the highest CV ( product capacitance x voltage ) per volume, very long life and high reliability.
It has also the following advantages :
- wide range of capacitance (less than 1μF to more than 1000μF)
- wide operating temperature range ( -55°C to +125°C )
- Electrical characteristics stable with temperature
- Low leakage current
- Very low ESR for some types
- Stability after long periods of storage , without reforming
All these characteristics allow the tantalum capacitors to be more commonly used either in large volume markets like mobile phones or computers, or in special markets like space, aerospace, military or railways.
Its main uses are found in the following applications :
- Filtering
- By pass
- Coupling
- RC time constant
- Energy storage

List of solid tantalum capacitors :
- Metal cases
- Moulded cases
- SMD (CHIPS) types

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