CM05FD221GO3 is a standard dipped silvered mica capacitor manufactured by Cornell Dubilier, designed for timing and close tolerance applications requiring stable capacitance over a wide temperature range. This capacitor features a capacitance value of 220 pF with a voltage rating of 500 Vdc, meeting EIA RS153B dimensional specifications. The device operates reliably across a temperature range of -55°C to +125°C, with a dV/dt pulse capability of 100,000 V/µs minimum, and is available in non-flammable configurations meeting IEC 695-2-2 standards. These mica capacitors are widely used in precision timing circuits, RF applications, and instrumentation where high stability and low dielectric absorption are essential.