H826K7BZA

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Through hole resistors are mainly used in applications which require a stable resistance, such as in linear circuits or in power dissipation. The H826K7BZA is one type of through hole resistor which has certain application fields and working principles.

Construction

The H826K7BZA through hole resistor is typically composed of a watt- or watt-body, three metal leads, and a resistive material. The watt body acts as a heat sink, and helps dissipate the heat generated that can be made by the resistor in operation. The three metal leads consist of either nickel or tin plated copper, and they are soldered onto the circuit board to connect the resistor to the circuit. The central leads is the tab lead, from which the resistive materiall is running to these end leads. In between these two end leads is the variable resistor element.

Working Principle

The H826K7BZA through hole resistor works on the principle of varying resistance when a voltage is applied across the terminals. It uses the element of an ohmic material, which has a specific conductivity. When an electrical current flows through the element, it creates a voltage drop proportional to its resistance. The material used in the resistor is usually highly temperature sensitive, which means that its resistance changes with temperature. This phenomenon is known as "positive temperature coefficient" and is used to achieve very stable resistance.

Application Fields

The H826K7BZA through hole resistor can be used in a variety of applications, as it offers a high degree of accuracy and stability. It is mainly used for controlling signals and power levels in a variety of circuits, including power supplies, linear circuits, and other sensitive applications. It is also commonly used as a voltage divider, to adjust amplifiers, and for bias current or trimming of components. It is also frequently utilized as a current limiting device, or in the manufacture of precision components.

Performance and Limitations

The performance and limitations of the H826K7BZA through hole resistor depends on the environment in which it is used. For instance, it can sustain a relatively high temperature, but its power dissipation and resistance stability will be affected. Similarly, its capacitance and noise can vary with temperature. It is important to note that these parameters should be taken into account when designing a circuit board.

Conclusion

The H826K7BZA through hole resistor is a versatile device which is used in a wide range of applications. This type of resistor can provide a high degree of accuracy and stability for controlling signals and power levels in a variety of circuits. It is important to note that its performance and limitations depend on the environment in which it is used, and these need to be considered before it is employed.

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