CD7FC221JO3 is a miniature dipped silver mica capacitor designed for compact, high-reliability applications requiring stable capacitance in low to moderate humidity environments. The device features a 220 pF capacitance value with ±5% tolerance (J grade) and is rated for 300 Vdc operation, providing robust performance across a wide operating temperature range of -55°C to +125°C. It meets EIA RS153B dimensional specifications and demonstrates exceptional pulse capability with a minimum 20,000 V/µs dV/dt rating, ensuring reliable operation in demanding circuits. The capacitor exhibits excellent dielectric strength, rated at 200% of nominal voltage, and is RoHS compliant. These characteristics make it ideal for precision filtering, coupling, and timing applications in telecommunications, aerospace, and industrial instrumentation where miniaturization and long-term stability are critical.