Calculateur de Charge de Condensateur

Calculez le temps de charge d'un condensateur dans un circuit RC.

Ω
%

Absolute Variation

50.00 Ω

Minimum Resistance950.00 Ω
Maximum Resistance1,050.00 Ω

Absolute Variation vs Nominal Resistance

Voir la formule →

Formule

## Resistor Tolerance **R_min = R_nom x (1 - tol/100)** **R_max = R_nom x (1 + tol/100)** Common: 1% (brown), 5% (gold), 10% (silver).

Exemple Résolu

1k resistor, 5% tolerance.

  1. 01Variation = 1000 x 0.05 = 50 ohms
  2. 02Min = 950 ohms, Max = 1050 ohms

Questions Fréquentes

Which tolerance to choose?

5% for general use, 1% or better for precision circuits.

Temperature effect?

Temperature coefficient (ppm/C) is separate from manufacturing tolerance.

Cost difference?

0.1% resistors cost significantly more than 5% due to extra testing.

Apprendre

Ohm's Law Guide

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