SQP20AJB-20K

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Through Hole Resistors, such as the SQP20AJB-20K, are an essential component in electrical systems. They are used to establish the desired electrical parameters in a circuit, such as the current-voltage ratio, protection against over-current, and limiting the acceptable amount of power consumption in a circuit. In various applications, different types of resistors have different working principles. To maximize the efficiency of the electrical system, it is wise to use the proper resistor.

The SQP20AJB-20K is a type of through hole resistor, so named due to the way in which its lead is designed—to be inserted into a hole drilled into a PCB substrate. It is a symmetrical version of through-hole resistors, with two terminals and a long rigid body. The body is also the resistor element, and is surrounded by a non-conductive protective coating. It has a maximum power rating of 2W, and is available with resistance values ranging from 1kΩ to 10MΩ. This type of resistor is often used for high-voltage and power sensing applications, such as in cameras, medical devices, communications systems, and power series circuits.

The working principle of this type of resistor is based on the principles of static electricity. In a static electricity circuit, electrons flow from a positively charged terminal to a negatively charged terminal, creating a potential difference. In a through hole resistor, the resistor element is connected to both terminals, and this creates a ‘circuit’ in which electrons must travel from one terminal to the other. As electrons flow through the resistor element, they encounter resistance, which is the resistance value of the resistor. This resistance value determines the amount of current that can flow through the resistor. The higher the resistance value, the lower the current.

The construction of a through hole resistor is simple and reliable. The two terminals are connected to the resistor element and the body is insulated with a protective coating. This coating is designed to protect the resistor from physical damage and also to prevent electrical leakage. The terminals of the resistor are also equipped with lead-free solder to ensure a strong connection and reduce the risk of thermal runaway.

The SQP20AJB-20K through-hole resistor is a versatile and reliable component for high-voltage and power sensing applications. It has a wide range of resistance values, making it suitable for a variety of applications. Its simple construction and long-term reliability make it a popular choice for many tasks. Additionally, its lead-free solder construction minimizes the risk of thermal runaway. For these reasons, the SQP20AJB-20K through hole resistor is an ideal choice for applications requiring high precision and reliability.

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