Engineering calculators
Advanced calculations for replacement component review
Run first-pass calculations for lifetime, surge, derating, isolation, and thermal margin. These estimates help decide which alternatives need deeper datasheet review, simulation, or lab testing.
Advanced engineering calculators
Lifetime, surge, derating, isolation, and thermal estimates
Inputs accept up to 6 decimal places. Intermediate values are rounded to 8 decimal places, and final results display 7 decimal places.
Capacitor lifetime
Estimate electrolytic capacitor lifetime using the 10C rule.
L_est(h) = L_rated(h) x 2^((T_rated(C) - T_hotspot(C)) / 10)
This is a first-pass estimate. Use the vendor lifetime curve for final approval.
Estimated lifetime
40,000.0000000 h
Temperature exponent = 3.0000000.