Transcript Resistance Color Code

Resistance Color Code
Electronics 1
CVSD
Resistance Color Codes
Most resistors are too small to print legible
resistance values & tolerances on.
A color coding system was developed to
simplify resistor identification.
This code is usually only used for carbon &
film resistors.
Other resistors will have a printed/ stamped
value.
Color Code Chart
Calculating Resistance
Calculate the resistance and tolerance
for the given resistor
3.2KΩ +/- 10%
Orange Red Red
Silver
Calculating Resistance
Calculate the resistance and tolerance
for the given resistor
12KΩ +/- 10%
Brown Red Orange
Silver
Calculating Resistance
Calculate the resistance and tolerance
for the given resistor
53MΩ +/- 10%
Green Orange Blue
Silver
Calculating Resistance
Calculate the resistance and tolerance
for the given resistor
3.2KΩ +/- 5%
Orange Red Red
Gold
Review
Why do we use the resistance color
code?
What types of resistors use this code/
why?
What is the resistance/ tolerance of this
resistor?
9KΩ +/- 10%
White Black Red
Silver