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Resistor size refers to the physical dimensions of a resistor. Different resistor sizes are used for various applications and requirements. Below, we will discuss common resistor sizes and provide classification and explanation for each.

 

1. Surface Mount Resistors:
   - 01005: This resistor size measures 0.4mm x 0.2mm.
   - 0201: This resistor size measures 0.6mm x 0.3mm.
   - 0402: This resistor size measures 1.0mm x 0.5mm.
   - 0603: This resistor size measures 1.6mm x 0.8mm.
   - 0805: This resistor size measures 2.0mm x 1.25mm.
   - 1206: This resistor size measures 3.2mm x 1.6mm.
   - 1210: This resistor size measures 3.2mm x 2.5mm.
   - 1812: This resistor size measures 4.5mm x 3.2mm.
   - 2010: This resistor size measures 5.0mm x 2.5mm.
   - 2512: This resistor size measures 6.4mm x 3.2mm.

2. Chip Resistors:
   - 0204: Chip resistors have a diameter of 2.0mm and a height of 4.0mm.
   - 0207: Chip resistors have a diameter of 2.0mm and a height of 7.0mm.
   - 0411: Chip resistors have a diameter of 4.0mm and a height of 11.0mm.

3. Metal Alloy Resistors:
   - 2725: This metal alloy resistor measures 2.7mm x 2.5mm.
   - 2728: This metal alloy resistor measures 2.7mm x 2.8mm.
   - 4527: This metal alloy resistor measures 4.5mm x 2.7mm.
   - 3015: This metal alloy resistor measures 3.0mm x 1.5mm.
   - 3008: This metal alloy resistor measures 3.0mm x 0.8mm.
   - 2718: This metal alloy resistor measures 2.7mm x 1.8mm.

Metal Alloy Resistors

4. Long Termination Resistors:
   - 0306: This long termination resistor measures 3.0mm x 0.6mm.
   - 0508: This long termination resistor measures 5.0mm x 0.8mm.
   - 1210: This long termination resistor measures 12.0mm x 10.0mm.
   - 1218: This long termination resistor measures 12.0mm x 18.0mm.
   - 0612: This long termination resistor measures 6.0mm x 12.0mm.
   - 1225: This long termination resistor measures 12.0mm x 25.0mm.
   - 3015: This long termination resistor measures 30.0mm x 15.0mm.
   - 3008: This long termination resistor measures 30.0mm x 8.0mm.

Long Termination Resistors

The above descriptions provide information about the size classifications of resistors. Different resistor sizes are suitable for different application scenarios. The size selection depends on specific circuit design requirements and available space.

 

Now, let's explain the meanings of the mentioned signals:
- Chip Resistors: Chip resistors are resistors formed during wafer manufacturing

 

. Their size and shape match the characteristics of the wafer, making them suitable for specific application requirements.
- Metal Alloy Resistors: Metal alloy resistors are resistors made using metal alloy materials. They possess high power-handling

 

capability and stability, making them suitable for high-power applications and circuits with demanding requirements.
- Long Termination Resistors: Long termination resistors have additional elongated terminations on both ends, facilitating soldering and connection. They are suitable for applications with special layouts and welding requirements.

 

In summary, the volume or size of a resistor is classified based on the size indicators. Different size specifications are applicable to different application requirements and space limitations. When selecting resistors, it is important to consider specific circuit design requirements, power needs, and available space. Understanding the meanings and characteristics of different size resistors will help in choosing the appropriate resistor for a given application.

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