This datasheet describes the specifications and characteristics of Nichicon’s F91 series of solid tantalum electrolytic capacitors, which are designed for high-frequency applications and are compliant with the RoHS directive.

Key Features

These capacitors have a low ESR and are suitable for high-frequency applications. They are available in a range of capacitance values and voltage ratings, and are designed for surface-mounting.

Operating Conditions

The capacitors can operate over a temperature range of -55°C to +125°C, with a rated temperature of +85°C. They have a capacitance tolerance of ±20% and a dissipation factor of ≤150%.


The capacitors have undergone various reliability tests, including damp heat, temperature cycles, and surge tests. They have also been tested for endurance and have met the characteristic requirements outlined in the datasheet.


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