COREVIA Application Guide

Aluminum Electrolytic Capacitors for UPS Systems

Support reliable backup power design with aluminum electrolytic capacitors tailored for UPS energy storage and DC-link stages.

Selection support is based on your electrical, thermal, mechanical and service requirements.

DC-link focus
Snap-in and Screw Terminal families
Selection inputs
Voltage, capacitance, ripple and ESR
Application conditions
Temperature, cooling, mounting and duty cycle
ups-industrial-capacitors
Power Electronics
UPS DC-Link Capacitor Selection
Application-specific selection

Compare COREVIA Snap-in and Screw Terminal aluminum electrolytic capacitor families against the actual converter and enclosure requirements.

Electrical
Voltage margin and ripple-current spectrum
Thermal
Ambient, hotspot temperature and airflow
Mechanical
Case size, mounting and vibration

Industrial UPS backup system components

UPS design guide / Aluminum electrolytics

UPS Application Guidance

Select capacitors around the real UPS duty cycle

UPS DC-link and energy-storage stages place combined electrical and thermal stress on capacitors. Selection should account for the converter topology, voltage margin, ripple-current spectrum, cooling, enclosure temperature, mounting and required endurance.

Electrical requirements

Confirm working voltage, transient margin, required capacitance, ripple current and ESR across the intended frequency range.

Thermal and mechanical fit

Evaluate ambient and hotspot temperature, airflow, case dimensions, mounting orientation and vibration constraints.

Service conditions

Define load profile, backup cycle, charging behavior, expected endurance and replacement or maintenance requirements.

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