MRS25000C7870FC100

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Through Hole Resistors

The MRS25000C7870FC100 is a type of through-hole resistor, a component used in electronic circuitry for the purpose of adjusting signal levels, signals power dissipation, and impedance matching. This type of component is typically made of ceramic-encased electrical resistive material, which is why it is commonly referred to as a “ceramic resistor.”This article explores the application fields and working principle of the MRS25000C7870FC100.

Application Fields

The MRS25000C7870FC100 can be used in a wide variety of applications. For instance, it can be used to adjust the signal gain or attenuation in voltage-controlled oscillators and electronic amplifiers. In addition, it can be used as a current-limiting resistor in DC-DC converters, as a voltage-regulator resistor in power supplies, and as an adjustable resistor in function generators. It is also used frequently in motor speed controls and frequency divider circuits. These are just some of the applications where through-hole resistors such as the MRS25000C7870FC100 are used.

Working Principle

The working principle behind the MRS25000C7870FC100 is relatively simple. The component consists of a ceramic body filled with resistive material, typically a mixture of metal oxides. This specific type of resistor features two leads that are soldered to the appropriate circuit components. When voltage is applied to the resistor, current is limited to the value of the resistance. The power supplied by the resistor is dissipated as heat, which is why ceramic resistors are typically used in circuits, as they dissipate heat better than other resistors.

The resistive material used in a ceramic resistor such as the MRS25000C7870FC100 is also known as “tolerance,” and is measured in ohms. The higher the tolerance, the lower the current that can flow through the resistor, and the higher the voltage that can be applied to the resistor. The power dissipated by the resistor is usually limited to as much as one watt for through-hole resistors.

In most cases, through-hole resistors are used in applications where they can be easily adjusted or replaced. However, due to their relatively low power dissipation rating, as previously mentioned, they should not be used in high power applications. In these cases, other types of resistors such as wirewound resistors are preferred.

Conclusion

The MRS25000C7870FC100 is a type of through-hole resistor, which is used in a variety of applications in electronic circuits. The ceramic body of the component is filled with resistive material, which limits the current flowing through the resistor and the voltage that can be applied to it. The resistor features two leads that are soldered to the appropriate circuit components. This type of resistor is typically used for adjusting signal levels, signals power dissipation, and impedance matching.

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