# Resistor Color Codes

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Example: (four bands)

Yellow and green represent 4 and 5, respectively. Those consist of the first and second digits, so it will be 45. The third band is orange. As a multiplier, it is × 1000, so you will calculate 45 × 1000; therefore, the resistance is 45,000 Ω. The forth band, silver, represents the tolerance, so the final expression of the resistance is

Example: (five bands)

Yellow, white and yellow represent 4, 9 and 4, respectively. Those consist of the first, second and third digits, so it will be 494. The forth band is brown. As a multiplier, it is × 10, so you will calculate 494 × 10; therefore, the resistance is 4,940 Ω. The fifth band, gold, represents the tolerance, so the final expression of the resistance is

Example: (six bands)

Violet, grey and green represent 7, 8 and 5, respectively. Those consist of the first, second and third digits, so it will be 785. The forth band is red. As a multiplier, it is × 100, so you will calculate 785 × 100; therefore, the resistance is 78,500 Ω. The fifth band, silver, represents the tolerance, 10%. The sixth band is the temperature coefficient of the resistor. Brown represents 100ppm/K. Namely, the final expression of the resistance is

Each color corresponds to a certain number:

There are several mnemonics for this. Some of statements might not be politically correct.

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__Contents__## Four-band resistor color codes

(PDF file for 4-band color codes)**Yellow, Green, Orange, Silver**Yellow and green represent 4 and 5, respectively. Those consist of the first and second digits, so it will be 45. The third band is orange. As a multiplier, it is × 1000, so you will calculate 45 × 1000; therefore, the resistance is 45,000 Ω. The forth band, silver, represents the tolerance, so the final expression of the resistance is

__45,000 ± 10% Ω__.## Five-band resistor color codes

(PDF file for 5-band color codes)**Yellow, White, Yellow, Brown, Gold**Yellow, white and yellow represent 4, 9 and 4, respectively. Those consist of the first, second and third digits, so it will be 494. The forth band is brown. As a multiplier, it is × 10, so you will calculate 494 × 10; therefore, the resistance is 4,940 Ω. The fifth band, gold, represents the tolerance, so the final expression of the resistance is

__4,940 ± 5% Ω__.## Six-band resistor color codes

(PDF file for 6-band color codes)**Violet, Grey, Green, Red, Silver, Brown**Violet, grey and green represent 7, 8 and 5, respectively. Those consist of the first, second and third digits, so it will be 785. The forth band is red. As a multiplier, it is × 100, so you will calculate 785 × 100; therefore, the resistance is 78,500 Ω. The fifth band, silver, represents the tolerance, 10%. The sixth band is the temperature coefficient of the resistor. Brown represents 100ppm/K. Namely, the final expression of the resistance is

__78,500 ± 10% Ω with Temp. Coeff. 100 ppm/K__.**Mnemonics**Each color corresponds to a certain number:

Black | Brown | Red | Orange | Yellow | Green | Blue | Violet | Grey | White |

0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |

**B**etter

**B**e

**R**ight

**O**r

**Y**our

**G**reat

**B**ig

**V**enture

**G**oes

**W**est

**B**ad

**B**eer

**R**ots

**O**ur

**Y**oung

**G**uts,

**B**ut

**V**odka

**G**oes

**W**ell

**B**lack

**B**ears

**R**un

**O**ver

**Y**ellow

**G**rass,

**B**ut

**V**ultures

**G**lide over

**W**ater

**B**ig

**B**ears

**R**un

**O**ver

**Y**our

**G**ladiola

**B**ed

**V**exing

**G**liarden

**W**orms

**B**lack

**B**ugs

**R**ace

**O**ver

**Y**ellow

**G**rass,

**B**eside

**V**iolent

**G**rey

**W**ater

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