CD15FC621JO3F is a standard dipped silvered mica capacitor designed for timing and close tolerance applications requiring stable capacitance over a wide temperature range. This capacitor features a capacitance value of 620 pF with a rated voltage of 300 Vdc and ±1% tolerance (F grade). The device meets EIA RS153B specification for dimensions and exhibits a minimum dV/dt pulse capability of 100,000 V/µs, making it suitable for high-speed switching circuits. With an operating temperature range of -55°C to +125°C and dimensions of 0.46 inches length by 0.38 inches height by 0.21 inches thickness, this component is widely used in RF circuits, timing networks, and precision instrumentation where stable capacitance and low distortion are essential.