Capacitor Life Calculator

Estimate operating life from ripple current, ambient temperature, and datasheet ratings.

Loaded from part FAC450V250

Inputs

Capacitor Family

Series

Rated Lifetime Lo (h)

Rated Temp To (°C)

Ambient Temperature Ta (°C)

Rated Ripple Io (A)

Actual Ripple Ix (A)

Allowable Core Temp Rise ΔT₀ (°C)

Expected Lifetime

15+ years· 131,400 h

≈ 15+ years continuous operation

At 55°C ambient with 2A ripple, this part is estimated to last about 131,400 hours.Core rise ΔT ≈ 3.3°C · Core temp ≈ 58.3°C.

Capped at 15 years — beyond this, non-thermal wear-out (electrolyte, seals) governs service life, not temperature.

Lifetime vs Ambient Temperature

Ripple held at 2A · rated 105°C / 8,000h

Estimate based on the standard temperature-life model. Contact engineering for application-specific validation.