Four quick calculators for capacitor selection and life estimation. Enter your details once to see results.

Capacitive Reactance

Xc = 1 / (2πfC)

Temperature Coefficient of Capacitance

αc = (C2 − C1) / (C3 × (T2 − T1)) × 10⁶

Life Calculator of Film Capacitor

L2 = L1 × (Vr / Vo)⁷ × 2^((T1 − T2 − ΔT) / 10)

Effective Power for AC Power Electronic Capacitors

P = Un² × 2π × f × C × tanδ