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Dec 15, 2022 · This value gives the technician an idea about the reliability of the resistor. However, keep the following points in mind when reading resistance values using color codes: In color-coding, resistors typically have the color band grouped together toward one end. The resistance color code reading starts from the side of the grouped band.
R =. L. A × C. Where: L is the length of the conductor. A is the cross-sectional area of the conductor. C is the conductivity of the material. This resistor calculator converts the ohm value and tolerance based on resistor color codes and determines the resistances of resistors in parallel or series.
Standard: IEC 60062:2016. This calculator will help you identify the value, tolerance and temperature coefficient of a color coded resistor by simply selecting the bands colors. It will also calculate the minimum and maximum values based on the tolerance ratio. This calculator supports resistors with 3, 4, 5, and 6 bands.
Aug 27, 2013 · Most five band resistors are precision resistors with tolerances of either 1% or 2% while most of the four band resistors have tolerances of 5%, 10% and 20%. The colour code used to denote the tolerance rating of a resistor is given as: Brown = 1%, Red = 2%, Gold = 5%, Silver = 10 %. If resistor has no fourth tolerance band then the default ...
Jul 28, 2023 · Silver: multiplier of 1/100. 4. Read the color on the last color band, which is farthest right. This represents the tolerance of the resistor. If there is no color band, the tolerance is 20 percent. Most resistors have no band, a silver band or a gold band, but you may find resistors with other colors.
- 258K
- These resistors have a 4-band color code, with 3 red bands and 1 gold band.
- The K stands for 1,000 ohms. This means that, for example, a 5K resistor would have a value of 5,000 ohms.
- There are many different kinds of resistors, but the main types are linear resistors (which can be fixed or variable) and non-linear resistors. The...
For the first two bands, find that color’s corresponding digit value. The 4.7kΩ resistor has color bands of yellow and violet to begin – which have digit values of 4 and 7 (47). The third band of the 4.7kΩ is red, which indicates that the 47 should be multiplied by 10 2 (or 100). 47 times 100 is 4,700!
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Resistor Basics. Resistors are electronic components which have a specific, never-changing electrical resistance. The resistor's resistance limits the flow of electrons through a circuit. They are passive components, meaning they only consume power (and can't generate it). Resistors are usually added to circuits where they complement active ...
