Which is the best authentic tantalum capacitor

Are solid tantalum capacitors better than aluminium electrolytic capacitors?

They offer high capacitance density by volume, have low ESR, excellent long term stability over its life, and superior frequency performance. They are much smaller than aluminium electrolytic capacitors, and have almost unlimited shelf life. Solid tantalum capacitors are replacing wet aluminium electrolytic capacitors.

Are tantalum capacitors a good choice for high-frequency applications?

Still, it is something to be aware of when using tantalum capacitors near their ratings. In comparison to ceramic capacitors, the equivalent series resistance of a tantalum capacitor is relatively high, typically orders of magnitude higher. This makes tantalum capacitors a poor choice for high-frequency applications.

Are MnO2 tantalum capacitors a good choice?

For most electrical circuit applications, MnO2 tantalum capacitors are a good choice. They have been proven in use for several decades, so their characteristics and reliability are well understood. They have a high volumetric efficiency (CV) and very stable parameters.

What are polymer tantalum capacitors used for?

These capacitors are ideal for consumer applications, along with some industrial applications. Due to their low ESR, polymer tantalums are useful for high current applications and those that require low ripple voltage. For example, 5G partial power supply, GPU, AI, GaN Fast Charger, and some LED lighting applications.

What temperature can a tantalum electrolytic capacitor be used in?

Tantalum capacitors (like aluminum electrolytic capacitors) thrive in the military temperature range of -55° C to 125° C. This opens commercial applications (0 to 70° C), industrial uses (-40° C to 85° C) and automotive products (-40° C to 105° C). Construction of a surface mount tantalum electrolytic capacitor. (Image: Rohm Semiconductor.)

Are tantalum capacitors better than MLCCs?

Tantalum capacitors are typically significantly higher priced than MLCCs, so the usage of tantalum caps has become increasingly rare for general applications. They do have some outstanding features which make them ideal for certain applications, despite their additional cost. Tantalum capacitors exhibit a linear capacitance change with temperature.