RESISTOR COLOR CODES

• BLACK = 0
• BROWN = 1
• RED = 2
• ORANGE = 3
• YELLOW = 4
• GREEN = 5
• BLUE = 6
• VIOLET = 7
• GRAY = 8
• WHITE = 9
• SILVER = 10%
• GOLD = 5%
• BROWN (TOLERANCE) = 1%
• GREEN (TOLERANCE) = 0.5%
• RED (TOLERANCE) = 2%
• BLUE (TOLERANCE) = 0.25%
• VIOLET (TOLERANCE) = 0.1%
• GRAY (TOLERANCE) = 0.05%
• Resistor power rating can be defined as the maximum power a resistor can handle safely without any damage.
• Power rating indicates the maximum heat a resistor can dissipate safely.
• Increasing the power more for few percent than rating, will burn the resistor.
• The resistor power rating is rated in watts, which are units of power. Hence it is also termed as wattage.
• As the wattage of the resistor increases cost also increases
• Power Resistors - Resistors that are designed to handle high power are called power resistors.
• Power resistors often come with heat sink which helps them in dissipation of heat.