FMF200FRE73-18R

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Through Hole Resistors

Through hole resistors, also known as discrete resistors, are two-terminal electronic components that have a specific and stable resistance value. They are typically used to regulate current flow in a circuit, provide bias levels or even to act as protection elements. The type of resistor described in this article is the metal/film/ferrule (FMF200FRE73-18R), which is commonly used in many applications.

Application Field

The FMF200FRE73-18R type of resistor is especially suitable for high accuracy applications, such as in scientific instruments, process control systems, medical equipment, and general circuit assembly needs. This resistor is also used in applications where a tight tolerance is required, including circuits needing reliable, accurate, consistent and repeatable resistance values.

Since the FMF200FRE73-18R type of resistor is a type of through-hole resistor, it can be soldered directly to a PCB, which is a key advantage since it eliminates the need for the time consuming, and potentially unreliable, wiring process used for through-hole components. This makes the resistor suitable for circuits with higher reliability requirements, such as automotive and aerospace applications.

Working Principle

The working principle of a through hole resistor is based on the voltage-divider effect. In its simplest form, a voltage divider consists of two or more resistors connected in series with a source voltage applied across them. By varying the resistance of the resistors, the circuit provides different output voltages and current ratios.

In the case of the FMF200FRE73-18R type of resistor, the two resistors are connected in series. The first resistor is a film resistor with a stable resistance value, while the second resistor is a ferrule type that is used to fine-tune the resistance of the circuit. By varying the resistance of the ferrule, the total resistance of the circuit can be adjusted accurately to the desired value, while maintaining the same level of accuracy as the film resistor.

The FMF200FRE73-18R type of resistor is also characterized by its high stability and durability. The film resistor is made of high-quality materials with a low temperature coefficient and excellent corrosion resistance, while the ferrule is made of highly reliable alloys that are resistant to aging and have low saturation current. This combination of materials ensures that the resistor maintains its resistance values over a wide temperature range and can withstand harsh operating conditions without degradation.

In addition, the FMF200FRE73-18R type of resistor is also characterized by its low dissipated power rating. The low power rating reduces the risk of overheating and results in a longer operating life span.

Overall, the FMF200FRE73-18R resistor is an excellent choice for applications where a reliable, stable, accurate, and consistent resistance value is required. Its unique design and construction make it highly suitable for a wide variety of applications, from scientific instruments to automotive and aerospace applications.

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