Detailed explanation of 0603 chip resistor silk screen resistance comparison table

With the development of miniaturization and high performance of electronic products,Chip resistorAs a basic component in electronic components, it has been widely used. Among them, 0603 patchresistanceIt is popular for its compact size and stable performance. In the actual use and purchasing process, it is particularly important to understand the silk-screen resistance comparison table of 0603 chip resistors. This article will start with the basic concepts of 0603 chip resistors, introduce its silk screen resistance comparison table and related precautions in detail, and help electronic engineers and purchasers better identify and select this type of components.

The size of the 0603 chip resistor is 0.06 inches × 0.03 inches (approximately 1.6mm × 0.8mm), which is one of the common chip resistor packaging specifications such as 0402, 0603, and 0805. Resistors of this specification are widely used in electronic equipment such as mobile phones, notebooks, and home appliances. They have the advantages of small size, convenient welding, and stable electrical performance.

Due to the small size of the 0603 chip resistor, it is unrealistic to directly mark the resistance value on the component with numbers. Silk screen codes are usually used to represent the resistance value. Mastering the screen-printed resistance value comparison table can help engineers quickly identify resistor values ​​and avoid selection errors or assembly errors.

Common silk screen codes use three-digit representation: the first two digits represent significant digits, and the third digit represents multiplied by a power of 10. For example, "103" represents 10×10³=10kΩ; "472" represents 47×10²=4.7kΩ; "000" represents 0Ω (zero ohm resistance). In addition, some resistors with smaller resistances will use "R" instead of the decimal point, such as "4R7" indicating 4.7Ω.

The following are examples of some commonly used 0603 chip resistors screen printing resistance values:

|----------|------------|

| 000 | 0Ω (zero ohm) |

| 100 | 10Ω |

| 220 | 22Ω |

| 472 | 4.7kΩ |

| 103 | 10kΩ |

| 154 | 150kΩ |

| 225 | 2.2MΩ |

Note that the "R" in the number represents the decimal point to avoid misreading.

Understand the common resistance ranges and quickly determine the actual resistance represented by the silk screen.

For special resistance values ​​or non-standard coding, please refer to the detailed data sheet provided by the manufacturer.

Silk screen printing usually does not indicate resistance tolerance and power information, and it needs to be checked through the product specification sheet. Common tolerances include ±1%, ±5%, etc., and the power is generally 1/10W to 1/8W. The selection should match the appropriate tolerance and power level based on circuit requirements.

Confirm that the silk screen resistance value is consistent with the design requirements to avoid product defects caused by misjudgment of the resistance value.

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