CARA membaca RESISTOR 4 gelang warna dan 5 gelang warna

Introduction

In this tutorial, we will learn how to read resistors with 4 and 5 color bands. Understanding resistor color codes is essential for anyone working with electronics, as it helps you identify the resistance value and tolerance of a resistor. This guide will break down the steps clearly, making it easy for beginners to grasp the concepts involved.

Step 1: Understanding Resistor Color Codes

The first step in reading resistors is to familiarize yourself with the color codes used to indicate resistance values.

• 4-Band Resistor:

  • The first two bands represent significant digits.
  • The third band is the multiplier.
  • The fourth band indicates tolerance.

• 5-Band Resistor:

  • The first three bands represent significant digits.
  • The fourth band is the multiplier.
  • The fifth band indicates tolerance.

Color Code Chart

Refer to the following chart for color values:

| Color | Digit | Multiplier | Tolerance | |------------|-------|---------------------|------------| | Black | 0 | x1 | | | Brown | 1 | x10 | ±1% | | Red | 2 | x100 | ±2% | | Orange | 3 | x1,000 | | | Yellow | 4 | x10,000 | | | Green | 5 | x100,000 | ±0.5% | | Blue | 6 | x1,000,000 | ±0.25% | | Violet | 7 | | ±0.1% | | Gray | 8 | | | | White | 9 | | | | Gold | | x0.1 | ±5% | | Silver | | x0.01 | ±10% |

Step 2: Reading a 4-Band Resistor

To read a 4-band resistor, follow these steps:

1. Identify the Bands:

   • Hold the resistor with the bands facing you. The first band is on the left.

2. Determine Significant Digits:

   • Read the first two bands for the significant digits.
   • For example, if the first band is red (2) and the second band is green (5), then the significant digits are 25.

3. Identify the Multiplier:

   • Read the third band to find the multiplier.
   • For example, if the third band is orange (x1,000), multiply 25 by 1,000.

4. Calculate the Resistance:

   • Combine the significant digits and the multiplier.
   • In this example, 25 x 1,000 = 25,000 ohms (or 25 kΩ).

5. Check Tolerance:

   • The fourth band indicates tolerance.
   • If it’s gold, the tolerance is ±5%.

Step 3: Reading a 5-Band Resistor

To read a 5-band resistor, the process is similar but includes an additional significant digit:

1. Identify the Bands:

   • Hold the resistor with the bands facing you.

2. Determine Significant Digits:

   • Read the first three bands for significant digits.
   • For example, if the bands are red (2), green (5), and blue (6), the significant digits are 256.

3. Identify the Multiplier:

   • Read the fourth band for the multiplier.
   • For instance, if the fourth band is brown (x10), multiply 256 by 10.

4. Calculate the Resistance:

   • Combine the significant digits with the multiplier.
   • In this case, 256 x 10 = 2,560 ohms (or 2.56 kΩ).

5. Check Tolerance:

   • The fifth band indicates tolerance.
   • If it’s silver, the tolerance is ±10%.

Conclusion

By following these steps, you can easily read the values of both 4-band and 5-band resistors. Remember to memorize the color code chart for quick reference. With practice, you’ll enhance your skills in identifying resistor values, which is crucial for working on electronic projects. Next steps may include practicing with real resistors or exploring more complex components in electronics.