COREVIA Application Guide
Aluminum Electrolytic Capacitors for Industrial Power Supplies
Selection guidance for aluminum electrolytic capacitors in industrial AC/DC and DC/DC power supplies.
Power Supply Selection Inputs
Choose each capacitor for its position in the power architecture
Industrial power supplies may use different aluminum electrolytic capacitor families across input bulk storage, DC-link, output filtering and auxiliary control rails. Evaluate each position from the schematic, expected ripple, thermal conditions, available space and required endurance.
Input and DC-link
Define working voltage, transients, capacitance, ripple current, ESR and inrush conditions.
Output and auxiliary rails
Review ripple frequency, load changes, control-circuit space and polarity requirements.
Thermal and mechanical
Confirm temperature, airflow, case dimensions, mounting, vibration and endurance.