How to read the color ring resistance, how to read the color ring resistance

Color Ring Method The so-called color ring method is to use different color scales to represent the resistance parameters. There are 4 color rings and 5 color rings, and the meaning of each color ring is as follows.

Color, Value, Multiple, Tolerance.

Black 0 x 1 ——

Brown 1 x 10 plus or minus 1%.

Red 2 x 100 plus or minus 2%.

Orange 3 x 1000 ——

Yellow 4 x 10000 ——

Green 5 x 100000 plus or minus.

Blue 6 x 1000000 plus or minus.

Purple 7 x 10000000 plus or minus.

Gray 8 – plus or minus.

White 9 ——

Gold — x plus or minus 5%.

Silver – plus or minus 10%.

Colorless Ring – plus or minus 20%.

To read the parameters of the color ring resistance, you must first determine the direction of the reading. In general, the color wheel that indicates the tolerance is farther away and wider than the other color wheels. Once you have determined the direction, you can read it from left to right.

For example, if the color of a 4-color ring resistor is red (2), purple (7), yellow (x10000), and silver (plus or minus 10%) from left to right, then the resistance value of this resistor is 27 x10000=270000, that is, 270k, and the tolerance is plus or minus 10%.

For example, the color of a 5-color ring resistor from left to right is red (2), green (5), blue (6), red (x100), brown (plus or minus 1%), then the resistance value of this resistor is 256 x100 = 25600, that is, the tolerance is plus or minus 1%.

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There is a detailed explanation in the encyclopedia!

The pronunciation of color ring resistor: se huan dian zu.

Color ring resistor is the most commonly used electronic component in electronic circuits, using color ring to represent color and error, which can ensure that the resistor can be easily and clearly seen no matter what direction it is installed. The color wheel was actually an early standard to help people distinguish between different resistance values. Color ring resistors are still widely used, such as household appliances, electronic instruments, and electronic equipment.

Color Ring Resistance Identification Tips.

1. Find the color ring of the mark error first, so as to arrange the color ring order. The most commonly used colors to represent the resistance error are: gold, silver, brown, especially gold ring and silver ring, which are rarely used as the first ring of the resistance color ring, so as long as there is a gold ring and a silver ring on the resistor, it can be basically determined that this is the last link of the color ring resistance.

2. Determine whether the brown ring is an error mark. Brown rings are often used as both error loops and significant number loops, and often appear in both the first and last rings, making it difficult to identify who is the first ring. In practice, it can be judged by the interval between the color rings:

For example, for a resistor with five color rings, the interval between the fifth and fourth rings is wider than the interval between the first and second rings, so that the order of the color rings can be determined.

1. Four-color ring reading method:

First color wheel: the first significant digit;

Second color wheel: second significant number;

The third color wheel: indicates the magnification;

The fourth color wheel: indicates error, that is, accuracy;

2. Five-color ring reading method:

First color wheel: the first significant digit;

Second color wheel: second significant number;

3rd color wheel: 3rd significant digit;

The fourth color wheel: indicates magnification;

The fifth color wheel: indicates error, that is, accuracy.

Color ring identification and color ring reading method of resistor:

1. The color ring resistance is divided into five rings and four rings, there are four colors of four-ring resistance, and five colors are marked on the resistor body for the five-ring resistance.

2. There are five colors, so it is the five rings, we have to read according to the ** of the five rings, and then we need to know which is the first color ring, let's see the difference, one side of the four colors is close to each other, and the other color ring is far away from the lead trillion, so we know that the first color ring is yellow from left to right, and it is purple, black, orange, and brown.

3. So the yellow is 4 in the first ring, the purple in the second ring is 7, the black in the third ring is 0, the fourth ring is the product of 10 to the third power, which is 1000, and the fifth ring is 1% for the brown color

4. After understanding the operation of the five rings, the operation of the four rings is also relatively simple, first of all, the difference between the four rings and the five rings is that one ring is missing for effective mathematics, and the other readings are almost the same, according to the above ** operation, we know that the first color is red, followed by red, black, orange.

5. So the red is 2 in the first ring, the red in the second ring is 2, the black in the third ring is the 0 power of the product 10, that is, 1, the fifth ring is the error of the gold is 5%, now we will calculate what the resistance is 22 * 1 = 22 ohms, and then the error is 5%, so the range of the resistance is normal between the resistance values.

The color ring resistor is divided into four color rings, no enlightenment and five color rings.

Four-color ring: the first two digits are significant figures; The third place is the magnification; The fourth is the error, which is its accuracy.

Five-color ring: the first three digits are significant figures; The fourth place is the magnification; The fifth is error.

Their error is the same when the color ring is the same:

Envy error next to the color ring.

Brown + 1%.

Red + 2%.

Green + Blue +

Purple + Gray +

Gold + 5%.

Silver + 10%.

Colorless + 20%.

The most common: the four-color ring resistance error is +-5%, which is an ordinary resistance; The five-color ring resistance error is +-1%, which is a precision chanting resistor.

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