Calculadora de Código de Resistor SMD

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

First Digit

Second Digit

Third Digit (10^x)

Resistência

4,700 Ω

Resistance (k)4.700 kΩ

Resistance vs First Digit

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

SMD code 472.

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

Decode through-hole resistor colors.

Find resistance range.

Use decoded value in calculations.