SQP10AJB-3K9

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Through-hole resistors are a durable, reliable and cost-effective option for various industrial and commercial applications. The SQP10AJB-3K9 is a type of through-hole resistor designed primarily for higher power applications. Its unique design combines high power dissipation with excellent temperature coefficient characteristics. This page will cover the application field and working principle of the SQP10AJB-3K9.

At its core, the SQP10AJB-3K9 is a precision through-hole resistor designed primarily for both high-power and high-temperature applications. It offers a wide range of temperature coefficients, ranging from 0.3 to 1.5 %/K, with an excellent TCR stability. The resistance range is as follows: 100 ohms to 10K ohms.It features a soldering system that permits the replacement of the resistor core without soldering. Moreover, its tightly sealed case provides insulation against moisture, dust and contaminants.

The SQP10AJB-3K9 has been designed specifically to withstand high power and high temperature ranges. It is a perfect choice for applications that require an exceptionally precise resistor, such as automotive electronics, solar panel array systems, LED lighting systems, and electric power distribution systems. In addition, it is also suitable for leisure and entertainment equipment, professional audio equipment, and medical devices.

The working principle of a through-hole resistor is relatively straightforward. The resistor is composed of two metal ends, usually thermally pre-coated with nickel or tin-lead, that are connected with an inflexible conductive core. The thermal coating is an important part of the resistor’s design, as it allows the current to disperse evenly and efficiently over the resistor’s length. The resistor’s resistance is determined by the material and width of the core, as well as the thickness of the thermal coating. The higher the current, the higher the voltage, and the higher the resistance.

In the SQP10AJB-3K9, the conductive core is composed of a combination of silver and molybdenum. This combination ensures low noise and high temperature stability. The thermal coating is composed of either nickel or tin-lead, depending on the application. The thermal coating improves the temperature coefficient and long-term characteristics of the resistor.

The SQP10AJB-3K9 is a high-precision resistor designed specifically for high temperature and high power applications. Its combination of reliable temperature coefficient characteristics and a reliable resistance range makes it a cost-effective solution for a wide range of industrial and commercial applications.

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