381LQ471M400K452 is a compact, high ripple snap-in aluminum electrolytic capacitor designed for applications requiring high capacitance in a smaller form factor. This capacitor features a capacitance of 470 µF with a rated voltage of 400 Vdc and a surge voltage of 450 Vdc, operating within a temperature range of -25°C to +105°C. It offers a maximum ESR of 0.388 ohms at 120 Hz and 0.175 ohms at 20 kHz, with ripple current ratings of 1.68 A at 120 Hz and 2.35 A at 20 kHz at +105°C. The nominal case size is 30 x 45 mm (D x L), and the capacitance tolerance is ±20%. This capacitor is ideal for power supply filtering, energy storage, and other high-performance electronic applications where compact size and high ripple current capability are essential.