SQM10AJB-130R

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Through hole resistors are integral components of electrical circuits, primarily responsible for controlling the effective current flow that passing through it. The SQM10AJB-130R is an example of such a resistor, taking the form of a 10-watt metal oxide resistor in an axial-lead package for mounting directly to the printed circuit board (PCB). This article will discuss the application field and working principle of the SQM10AJB-130R through hole resistor.

Applications of the SQM10AJB-130R

The SQM10AJB-130R is a high-power, axial-lead resistor that is ideal for applications where frequent dissipation of heat is required. This includes test equipment, power supplies, and other related equipment. Its axial lead package also allows for easy mounting on to the PCB, without the need for complex mechanical fixtures or expensive support components. Additionally, its 10 watt power rating makes it suitable for low-voltage/high current applications, such as relays, inverters, pulse circuits, and many others.

Working Principle of the SQM10AJB-130R

The SQM10AJB-130R resistor works by controlling the current flow that passes through it. It does this by creating a voltage drop across it. This voltage drop, either positive or negative, will be in direct proportion to the current that passes through the resistor. This is why it is referred to as a variable resistor, as its resistance can be adjusted to control the flow of current.

To achieve this voltage drop, the SQM10AJB-130R through hole resistor is composed of several layers of metal oxide. These layers have varying resistive properties, with varying thicknesses. As current flows through the resistor, these layers combine to produce a net resistance to the current’s flow. By making the layers thicker or thinner, the resistance of the resistor can be adjusted to suit the requirements of the circuit.

Performance of the SQM10AJB-130R

The SQM10AJB-130R has a power rating of 10 watts, which means it can handle up to 10 watts of power. However, since heat is generated as it is used, it must be used with an adequate heat sink for proper cooling. Additionally, the resistor must be derated to account for any unusual operating conditions, as this can reduce its effectiveness and cause it to become damaged.

The SQM10AJB-130R also has a maximum voltage rating of 650V, and an insulation resistance of at least 500 megohms. Its maximum operating temperature is 95°C, and its temperature coefficient is 200ppm/°C. Its lead material is tin-plated copper, giving it increased durability and stability whenused at temperature extremes.

Conclusion

The SQM10AJB-130R through hole resistor is a popular and effective component for controlling the current flow in electrical circuits. Its 10-watt metal oxide composition makes it suitable for high-voltage/high-current applications, and its axial-lead package allows for easy mounting onto the PCB. Finally, its performance specifications make it an ideal solution for various applications.

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