ARF200 4R J

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Chassis mount resistors are electrical components used in electronic circuits to limit the flow of current in a circuit and reduce power consumption. In addition, they can also be employed to provide a voltage drop, signal attenuation, or matching of impedance. ARF200 4R J is a type of chassis mount resistor and this article will discuss its application field and working principle.

1. Application Field and Uses

ARF200 4R J is a metalized film resistor with a wide range of resistances and tolerances, from 500 Ohms - 10M Ohms. It is designed for chassis mount in the commercial and industrial applications. Some application fields include:

• HVAC system temperature sensing and control

• Sensors in medical equipment

• Industrial process control systems

• Automotive systems, such as electronic fuel injection and ABS braking

• Lighting and power conversion circuits

• Major commercial and residential appliance systems

• Computing systems

ARF200 4R J can also be used in place of wire-wound resistors in heat sensitive and enclosed applications. This is advantageous because wire-wound resistors can generate heat and can be unreliable due to their mechanical construction.

2. ARF200 4R J Working Principle

ARF200 4R J incorporates the metal film resistor technology, which has several advantages over other resistor types. Metal film resistors have better precision and stability than many other resistor types, with a TCR (Temperature Coefficient of Resistance) of 300ppm/°C. With a maximum working temperature of 105°C, they are also suitable for harsh environment applications. In addition, these resistors have a low noise, low inductance and high power rating compared to other resistor types, making them suitable for high frequency applications. They also have a high overload voltage and a wide range of resistance values, making them suitable for a variety of applications.

ARF200 4R J is built with a metal film to increase the resistance capacity. The metal film is a thin film of metal laid on a ceramic or glass substrate onto which the leads are connected. The resistance is established by etching patterns in the film. The metal film resistor is also sealed in a heat-resistant, flame-retardant epoxy resin body.

3. Advantages of ARF200 4R J

ARF200 4R J offers several advantages over other types of resistors. Firstly, they have excellent frequency response characteristics due to their low noise, low inductance and high power rating. Secondly, they are extremely accurate and stable, with a very high precision tolerance of up to 0.02%. Thirdly, they have a wide range of resistance values, from 500 Ohms - 10M Ohms. Finally, they are sealed in a flame-retardant epoxy resin body, making them suitable for use in high-temperature and harsh environments.

4. Conclusion

ARF200 4R J is a type of chassis mount resistor designed for commercial and industrial applications where accuracy, precision, and stability are required. It has several advantages, such as excellent frequency response characteristics, an accurate and stable design, and a wide range of resistance values. In addition, the flame-retardant epoxy resin body ensures that they are well suited for use in high-temperature and harsh environments. This makes ARF200 4R J an ideal choice for a variety of applications.

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