High tolerance means a higher percentage of error in the resistance value and low tolerance means a low percentage of error. These resistors are used in circuits in the areas of avionics, control, measurement equipment, etc. Resistors with low tolerances are precision resistors. This resistor can have a value between 176 Kilo Ohms and 264 Kilo Ohms. If a company uses 1 percent resistors, designs only requiring a 5 percent value may also use 1 types.
I see that SRT Resistor produces resistor up to 100T ohms, also high voltage. Omite produces High Voltage Chip Resistors up to 50G.
If bands colors are: red, red and yellow with no fourth band. Resistance is 220 Kilo Ohms, with a tolerance of 20%. However any other resistor value will be non-standard and not preferred. This resistor can have a value between 8 ohms. If bands colors are: brown, black and red with no fourth band. Resistance is 1000 ohms, with a tolerance of 20%. If a resistor does not have the fourth band, it is assumed that tolerance is 20%. 
If bands colors are: brown, black, red and silver, then resistance is: 1 Kilo Ohms +/- 10%. This resistor may have a value between 9 ohms (1.1 Kilo Ohms). 
This resistor may have a value between 114 and 126 ohms.
If bands colors are: brown, red, yellow and gold, then resistance is: 120 Kilo Ohms +/- 5%. Result will display the closest value of different Slandered Resistors. Related Calculator: Resistor Color Code Calculators – 3, 4, 5 & 6 Band Resistors CalculationĮnter the value of resistor, and click on calculate. Now, below is the Resistor Calculator in which you can easily find and calculate the closest standard resistor value for different Standard IE-Series Resistors. if the closest value is not close enough, then you can make it by connecting resistors in series – parallel configuration.Ībove is the “Classical” method to find the closest value of a resistor. If you are not able to find the exact value of resistor that you have calculated for your circuit, then you have to select the next coming value of resistor that you have calculated.įor Example, if the calculated value is 317.5Ω, then you would use the closest standard value, which is 330 Ω. Generally, Resistors come in standard values such as E6, E12, E24, E48, E96, and E192. It is too difficult to find the exact value of resistors that you have calculated for making electronics project and circuits etc as here is an example of such situation that “ how to calculate the value of Resistor for different LED’s Circuits” or How to calculate the exact value of burnt resistor and find the standard value of SMD resistors. Standard Resistor Closest Value Calculator
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