ALA7DA391DC450 390μF 450V dc Aluminium Capacitor, Through Hole. The KEMET ALA Snap-In Capacitors are designed for automotive applications. They can withstand vibration up to 20 G. The ALA7D capacitance values cover a range from 240 to 820 μF and voltage ranges of 400 to 500 V Applications:Typical applications for KEMET’s ALA7D capacitors are mainly in the field of e-mobility, such as on an on-board chargers, inverters or wall boxes.