H8430RFCA

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Through Hole Resistors: H8430RFCA Application Field and Working Principle

Through hole resistors, such as the H8430RFCA from Bourns Inc., are resistors that are inserted into a printed circuit board (PCB) via a permeated hole. They are an example of chip resistors and, as part of the larger resistor family, are used to block, reduce, shunt, stabilize, or divide voltage levels in many electronic circuits. The H8430RFCA is no different, with a variety of application fields and a distinct working principle.

In terms of application fields, the H8430RFCA may be used in amplifiers, in transducers, and in sensor-related electronic circuits in fields such as environmental measurement, medical diagnosis, and geophysical exploration. Other application fields for the H8430RFCA include voltage stabilization circuits, frequency tone circuits, and linear circuits. Such applications rely on the precise, reliable resistance that the H8430RFCA provides.

The working principle of the H8430RFCA also works to enhance its applicability in a variety of fields. The H8430RFCA employs a special carbon film material as a resistor element, yielding a typical resistance of 330 ohms; the resistor element is housed in a lightweight, low-cost plastic-coated aluminum shaft. Further, current surge redundancy is provided by four 0805 resistors connected in series with the resistor element via plated through holes.

The combination of carbon film resistor element and 0805 resistors connected in series ensures that the H8430RFCA is suitable for a variety of electric current surge protection applications. Furthermore, the presence of the aluminum shaft and plastic coating, combined with the resistor element, ensures that the H8430RFCA is exceptionally durable and able to protect against high temperatures and chemical corrosion. This contributes to its suitability for use in a variety of harsh environments, such as in automotive under-hood and brake systems.

In addition, the design of the H8430RFCA is so that the aluminum shaft and plastic coating completely encase the resistor element, leaving no exposed components. This makes the H8430RFCA particularly suitable for use in high-vibration and shock environments. Moreover, the light weight of the H8430RFCA – only 7.3 grams – also contributes to its ability to withstand high vibration.

In conclusion, through hole resistors such as the H8430RFCA from Bourns Inc. present a valuable option in terms of application fields, due to its versatile resistance values, radiation resistance, and ease-of-use. Moreover, its working principle– carbon film resistor element, aluminum shaft, four 0805 resistors connected in series with the resistor element, and plastic coating – helps to make it particularly suitable for use in a variety of automotive fields and environments.

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