SEK221M035ST is a 220 µF, 35 Vdc radial leaded aluminum electrolytic capacitor rated for +105°C operation with long-life characteristics. The capacitor features a maximum ESR of 0.84 O at 25°C and a maximum ripple current of 315 mA at 120 Hz and 105°C, providing reliable performance in demanding applications. With a physical diameter of 10.0 mm (0.394 in.), length of 13.0 mm (0.513 in.), and lead spacing of 5.0 mm (0.197 in.), this component is designed for high-density packaging. The capacitor is ideal for coupling, decoupling, bypass, and filtering circuit applications in general purpose electronics, offering volumetric efficiency and stable performance across its operating temperature range of -25°C to +105°C.