Reading Colours On Resistors

It is simply a measurement of the imperfections. The table can also be used to specify the color of the bands when the values are known.

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Reading colours on resistors. An automatic resistor calculator can be used to quickly find the resistor values. Every color is different number and you can remember these numbers or you can just use the table on next step. Tips for reading resistor codes.

The resistor color code calculator decodes and identifies a value and tolerance of 4 band wire wound resistors. So for example if a resistor has brown and red as the first two bands the most significant digits will be 1 and 2 12. Standard resistors have four color bands.

To use this tool simply click on a particular color and number and watch how the actual bands on the resistor illustration change. Then jot down the sequence of the colored bands reading from left to right. The bands are read from left to right.

The chart below shows how to determine the resistance and tolerance for resistors. If your resistor has five or six color bands the third band becomes this additional digit along with bands one and two. Colors are assigned to all the numbers between 0 and 9 and the color bands basically translate the numbers into a visible code.

Resistor color code chart. The value of the resistor is marked on the body using colors. Our resistor color code calculator is a handy tool for reading carbon composition resistors whether its a 4 band 5 band or 6 band type.

Resistors are never the exact value that the color codes indicate. Resistors with high precision have an extra color band to indicate a third significant digit. Three of the bands tell you the nominal value which means the value the resistor was designed to have.

Make sure to read the value of the right most color band to determine the tolerance of the resistor. Its for the lazi. How to read color codes from resistors.

Give each color a number according to its resistive value. Black is 0 brown is 1 red is 2 and so on see the color code table below. To read an axial lead resistor hold the resistor so the gold or silver band is facing to the right.

Or there are much resistor calculators that you can use. Everything else shifts to the right making the fourth color band the multiplier and the fifth band the tolerance. Reading color codes resistors cases usually have three to six bands that indicate their resistance tolerance and sometimes their temperature coefficient of resistance tcr.

The fourth band tells you the tolerance of the resistor which indicates how far off the nominal value the actual resistance could be. Therefore manufacturers place a tolerance color band on the resistor to tell you just how accurate this resistor is made. This the the band farthest on the right hand end of the bands.

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