MMWA6W1K-F is a metallized polyester film capacitor designed for high capacitance and high voltage applications. It features a 1.0 µF capacitance with ±10% tolerance and a rated voltage of 630 Vdc, utilizing compact non-inductive extended windings with epoxy end seals for excellent moisture resistance and capacitance stability. The capacitor operates over a temperature range of -55°C to 125°C and incorporates self-healing characteristics that help prevent permanent shorting due to high voltage transients. With dimensions of 0.685 inches (17.4 mm) diameter and 1.750 inches (44.4 mm) length, and tinned copper-clad steel axial leads, this capacitor is suitable for applications requiring reliable performance in demanding environments.