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To understand how to read the resistor color code for 3 /4/5/6 band resistors you can use this color chart.įrom the above chart, each color band on the resistor represents a number. Resistor Color Code Chart – 3 band 4 band 5 band and 6 band
The variation of resistance is constant to temperature.
The higher ppm value indicates that a resistor can withstand the higher or lower temperature. The 6-band resistor has a special property of temperature coefficient of resistance represented in ppm/Kelvin. In addition to this the 4 band, 5 band, and 6 band resistors have tolerance value ranging from ☐.10 to ☑0. The multiplier value is multiplied with the significant digit number (one, two, or three digits) to get the desired resistance value. For 5 band and 6 band resistors, the first 3 digits indicate significant numbers. This number can be used as the first significant digit and second significant digit for 3 band and 4 band. To know, how to find color code, each color indicates a number starting from 0 to 9. The color code chart shows the 3 bands, 4 band, 5 band, and 6 band resistor strips. Whereas, the 4 band, 5 band, and 6 band resistors have an extra band known as tolerance. The three bands can be selected to know the resistor value. The 3-band resistor has three colors with multiplier and no tolerance. The Carbon composition resistors have 3 to 6 resistor color bands.
For example, a 4.7K ohm resistor is shown as 4K7. It uses letter 'R' for ohms, 'K' for Kilo ohms, and 'M' for Megaohms. Resistors use the BS1852 (British standard) coding standard for value representation.