Calculateur de Code Résistance CMS — Formule

## Power Dissipation

**P = V x I**

Also: **P = I^2 x R** and **P = V^2 / R**.

All forms are equivalent via Ohm's Law.

Exemple Résolu

5 V across a component at 100 mA.

  1. P = 5 x 0.1 = 0.5 W = 500 mW
  2. Ensure component is rated above 0.5 W.