T491C685K025 – KEMET
6.8 µF ±10% 25V Tantalum Capacitor SMD Case C
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The T491C685K025 is a surface-mount solid tantalum capacitor manufactured by KEMET. It conforms to the T491 series, indicating a standard industrial grade molded capacitor intended for general purpose applications. The “C” designates the case size, which, based on KEMET’s datasheet specifications, corresponds to a EIA 6032-28 case. The “685” signifies a nominal capacitance of 6.8µF with a tolerance designated by “K,” indicating ±10% capacitance tolerance. The “025” denotes a rated voltage of 25V DC. The “AS” suffix likely indicates a specific manufacturing control or testing protocol. The “94+” marking implies a date code, possibly indicating manufacture in 1994 or later. Electrical characteristics include a maximum ESR (Equivalent Series Resistance) value that is dependent on frequency and temperature, and a typical dissipation factor (DF) at 120Hz. It is crucial to consult the official KEMET T491 datasheet for precise ESR, DF, leakage current, and ripple current ratings at specified operating conditions.
