SQP10AJB-12R

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Through Hole Resistors (THRs) are used in many industrial and consumer electronics applications and come in several different varieties. The SQP10AJB-12R is one such THR model. It is specifically designed for applications where reliable power handling and high current flow are required. This article will discuss the application field and working principle of the SQP10AJB-12R THR.

The SQP10AJB-12R THR is a cylindrical resistor designed for two-terminal current flow. It is a type of surface mounted device (SMD), meaning that it is designed to be mounted directly on the PCB where its component package is completely exposed. It is suitable for use in a variety of applications where large currents need to be handled, such as motor control, current sensing, inverter drives, and automotive electronics.

The SQP10AJB-12R THR features a five-terminal design with built-in mechanical stress reliefs to aid in efficient heat distribution. The resistor also has a temperature coefficient of resistance (TCR) that ranges from -75 to +125 ppm/C, meaning that it changes in resistance in response to temperature fluctuations. The round construction of the THR minimizes thermal potentials and its surface effects, increasing the efficiency of the component. Its cylindrical design enables it to be easily inserted into a variety of PCBs, which means it can be used in a variety of applications.

The working principle of the SQP10AJB-12R THR involves the use of a copper ribbon as the resistive element. This copper ribbon is wound around a ferrite or ceramic core in a spiral pattern and then welded together at each end. This tightly wound resistor element is then connected to the two terminals and so current can begin to flow through it. When current is applied to the resistor it causes heating of the copper ribbon due to the resistive nature of the element. This heat is then transferred to the ferrite or ceramic core, and the resistor will regulate the voltage or current applied to it as necessary.

The SQP10AJB-12R THR is a robust resilient device that is used in a variety of applications. It is able to provide high power handling and efficient current flow over an extended period of time. This makes it ideal for use in high current applications like motor control, current sensing, inverter drives, and other automotive electronic applications. Its cylindrical design also provides excellent thermal potentials and surface effects, reducing the possibility of thermal runaway.

In conclusion, the SQP10AJB-12R THR is a reliable THR designed for two-terminal current flow. It is designed to be mounted on a PCB and features a five-terminal design with built-in mechanical stress reliefs and a temperature coefficient of resistance (TCR) that ranges from -75 to +125 ppm/C. Its working principle involves the use of a copper ribbon wound around a ferrite or ceramic core, which is then connected to the two terminals to regulate the voltage or current applied to it. It is suitable for use in a variety of industrial and consumer electronics applications and provides efficient current flow and high power handling over an extended period of time.

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