CD15FD221JO3 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 220 pF with a rated voltage of 500 Vdc, meeting EIA RS153B dimensional specifications. The device exhibits excellent stability with an operating temperature range of -55°C to +125°C, a minimum dV/dt pulse capability of 100,000 V/µs, and a capacitance tolerance of ±5% (J-grade). The CD15 package type provides compact dimensions with a length of 0.46 mm (11.7 mils), height of 0.37 mm (9.4 mils), thickness of 0.18 mm (4.6 mils), spacing of 0.234 mm (5.9 mils), and lead diameter of 0.025 mm (6 mils). These capacitors are widely used in RF circuits, timing networks, and precision instrumentation where high stability and low drift are essential.