| IEC 60062:2016 Standard | |
|---|---|
| Resistance: | |
| Minimum: | |
| Maximum: | |
| 1st Digit: | |
| 2nd Digit: | |
| 3rd Digit: | |
| Multiplier: | |
| Tolerance: | |
| Temperature Coefficient of Resistance (TCR): | |
What is a resistor color code calculator?
A resistor color code calculator is a tool used to determine the resistance value of a resistor based on the color bands painted on it. A calculator simplifies the process of decoding these colors to get the accurate resistance value.
What is a resistor?
A resistor is a passive electrical component that opposes the flow of electric current. It's used to reduce current flow, adjust signal levels, divide voltages, and terminate transmission lines, among other functions. The resistance value in ohms can be determined by the color bands on the resistor.
What is resistance in a resistor?
Resistance in a resistor is a measure of the opposition to the flow of electric current. It's measured in ohms (Ω) and determines how much the resistor will reduce the current flow in a circuit. The resistance value is encoded in the color bands on the resistor. A higher resistance value means more opposition to the current flow, and a lower resistance value means less opposition.
What are digits in a resistor?
In a resistor, the "digits" refer to the numerical values of resistance represented by the color bands. In a four-band resistor, the first two bands represent the first two significant digits of the resistance value, and the third band is the multiplier, indicating the number of zeros to add to the first two digits. There's also a fourth band, often gold or silver, that indicates the tolerance or precision of the resistor value.
What is multiplier in a resistor?
In a resistor, the "multiplier" is a digit that determines the number of zeros to add to the first two or three significant digits, which are represented by the first two or three color bands. The multiplier is represented by the third color band in a standard 4-band resistor code. For example, if the first two digits are 2 and 3, and the multiplier is 1000 (represented by the color orange), the resistance value would be 23,000 ohms.
What is tolerance in a resistor?
In a resistor, "tolerance" refers to the acceptable range of variation in the actual resistance value from the marked or labeled value. It's represented by the fourth band in a standard 4-band resistor code, and it's usually silver or gold. A silver tolerance band indicates a tolerance of ±10%, and a gold tolerance band indicates a tolerance of ±5%. This means that the actual resistance value could be up to ±10% or ±5% higher or lower than the marked value.
What is maximum and minimum resistance?
minimum: m
Resistance: R
Tolerance: T
m = R - (R * (T / 100))
Maximum: M
Resistance: R
Tolerance: T
M = R + (R * (T / 100))
What is TCR in a resistor?
Temperature Coefficient of Resistance (TCR) is not directly indicated by the resistor color code except for six-band resistors. TCR is a material property that describes how a resistor's resistance changes with temperature. It is usually provided as a percentage or parts per million (ppm) change in resistance per degree Celsius. You would typically find the TCR value in the resistor's datasheet, provided by the manufacturer.