Calculadora de Código de Resistor SMD

Decodifique os códigos numéricos impressos em resistores SMD para determinar o valor de resistência.

Resistência

4,700 Ω

Resistance (k)4.700 kΩ

Resistance vs First Digit

Ver formula →

Formula

SMD Resistor Code

3-Digit Format: XYZ

  • X = first digit
  • Y = second digit
  • Z = number of zeros

    • Example: 472 = 47 x 10^2 = 4700 ohms

    Exemplo Resolvido

    SMD code 472.

    1. 01Base = 47
    2. 02Multiplier = 100
    3. 03Resistance = 4700 ohms = 4.7k

    Perguntas Frequentes

    What does R mean in SMD codes?

    R is a decimal point. 4R7 = 4.7 ohms.

    What is EIA-96?

    A lookup-table code system for 1% SMD resistors.

    How small are SMDs?

    From 0201 (0.6x0.3 mm) to 2512 (6.3x3.2 mm).

    Aprender

    Ohm's Law Guide

    Calculadoras Relacionadas

    Resistor Color Code Calculator

    Decode through-hole resistor colors.

    Resistor Tolerance Calculator

    Find resistance range.

    Ohm's Law Calculator

    Use decoded value in calculations.