Nichicon Solid Tantalum Electrolytic Capacitors – Low ESR F91 and Compact F92 Series Datasheet

Category: Capacitors, Electronics, Nichicon America Corporation

Overview of Nichicon Solid Tantalum Capacitors

The datasheet in question details the specifications and characteristics of Nichicon’s Solid Tantalum Electrolytic Capacitors, specifically the Low ESR F91 series and the Compact F92 series intended for surface-mounted device (SMD) applications. These capacitors are designed to operate within a wide temperature range and are compliant with the RoHS directive (2002/95/EC), ensuring they meet specific environmental standards regarding hazardous substances.

Performance Characteristics

The capacitors are suitable for a temperature range of -55°C to +125°C, with several crucial performance metrics outlined such as capacitance tolerance (±20%, ±10%), dissipation factor, and equivalent series resistance (ESR). Leakage current specifications are detailed, varying based on temperature and rated voltage application. These components are engineered to maintain stability in leakage current and capacitance change across different temperatures and humidities, demonstrating resilience through damp heat, temperature cycles, soldering heat, and various endurance tests.

Reliability Testing and Mechanical Strength

Nichicon’s capacitors undergo rigorous testing to ensure their reliability and durability. This includes surge voltage application, resistance to soldering heat, temperature cycling, exposure to damp heat, and long-term application of rated and derated voltage. The datasheet confirms that capacitors should be able to withstand specific mechanical stress tests such as the sheer test and terminal strength test without showing any significant damage or performance degradation.

Physical and Mechanical Properties

Physical dimensions are provided for different case sizes, with detailed explanations on how the capacitors should be mounted and tested for mechanical integrity. Certain tests require mounting the component on a substrate and applying specific forces to assess the strength and durability of the connection made by soldering.

Part Numbering and Ratings

The datasheet includes a guide to the type numbering system, which facilitates the identification of specific capacitance, tolerance, and rated voltage parameters of each capacitor variant. A broad range of standard ratings are available for different applications. These ratings outline the capacitance, voltage, ESR, case size, and other relevant parameters, providing a clear reference to engineers and purchasers.

Conclusion

In summary, Nichicon’s datasheet outlines the features and robust testing protocols that define the reliability and performance of the Low ESR F91 and Compact F92 Solid Tantalum Electrolytic Capacitors. It gives detailed mechanical and performance specifications that cater to various high-frequency applications, underlining the capacitors’ adaptability to challenging environmental conditions and resilience to mechanical stress.