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Through Hole Resistors

The H4P48R7DZA is a through hole resistor that provides a precise impedance that is inversely proportional to the frequency of the signal it carries. This type of resistor is an essential component in any electronic circuit design. Its working principle and application fields are discussed below.

Working Principle

The H4P48R7DZA operates on the principle of Ohm’s Law. As voltage is applied across the resistor, the current passing through it is determined by the resistance value, or impedance, of the resistor. The figure below illustrates this principle.

The resistor acts to limit the current in the circuit. When the frequency of the alternating voltage changes, the current is inversely proportional to the frequency, resulting in a linear resistance-versus-frequency response. This linear response makes the H4P48R7DZA suitable for use in applications requiring a precise and predictable impedance.

Applications

The H4P48R7DZA is suitable for use in a wide range of applications, including signal conditioning, test and measurement equipment, and audio systems. In these applications, the through-hole resistor provides an accurate, predictable impedance, allowing the designer to identify and select the most appropriate component for the circuit. The H4P48R7DZA is also suitable for use as a low-noise resistor in AC-coupled amplifier circuits.

The H4P48R7DZA is also used in DC-coupled application. In this type of application, the resistor serves to indicate a voltage offset value between two nodes in the circuit. By controlling the offset value, the designer can reduce the amount of voltage reaching certain components, resulting in improved circuit noise performance.

In addition, the H4P48R7DZA can also be used as a temperature sensing element. By connecting the resistor to a thermal sensor, its resistance changes in response to temperature changes, allowing the designer to monitor the temperature of a component or environment.

Conclusion

In conclusion, the H4P48R7DZA is a versatile, low-cost resistor that is available in a variety of sizes and impedance values. Its precise linear resistance-versus-frequency response and its wide range of applications make it an ideal component for many electronic device designs.

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