This is a small, high-precision ceramic capacitor with the following specifications: - capacitance: 0.3 picofarads - tolerance: ±0.05 picofarads - voltage rating: 25 volts - case size: 01005 (also known as 0402 metric) - type: C0G, also referred to as NP0, indicating a specific type of ceramic material used in the capacitor's construction.