RWR89SR280FRS73

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Through hole resistors have been widely used in all kinds of applications, ranging from controlling current to providing high power dissipation. The RWR89SR280FRS73 is a part of this category and is specifically designed for applications that require a stable resistance value with excellent reliability. In this article, we will discuss the application field and working principle of the RWR89SR280FRS73.

The RWR89SR280FRS73 is typically used for controlling voltage and current in industrial circuit boards, and can handle up to 5A of current in normal operation. It is rated for 100V (in the worst case) and can be used in applications such as lighting control, motor control, and amplifier feedback resistance. It also has a wide temperature range of -55°C to +125°C. In addition, this resistor has a non-linear resistance drops which is relatively low compared to standard cells.

The RWR89SR280FRS73 features a glass-encapsulated rectangular body, with wire leads coming out of the product from each end. It is also of very low profile and uses pressed fit technology, ensuring high accuracy and stability of the resistance value with negligible temperature drift. Moreover, the resistance value can be precisely adjusted by varying the number of turns in each coil, while the use of low-profile construction reduces stress on the PCB and improves heat dissipation.

The working principle of the RWR89SR280FRS73 is based on the use of magnetoresistance phenomena. This phenomenon is based on the fact that the electrical resistance of a conductor is affected by the magnetic field that is applied to it. When the magnetic field is applied, the electrons flowing through the wire experience a force in the direction of the magnetic field. This causes them to "bunch up" opposite the magnetic field, which reduces electrical resistance and thus increases current.

In this resistor, the magnetic field is generated by a coil that is wound around the body of the resistor. The number of turns determines the strength of the field produced. The magnetic field produces a force on the electrons, which decreases the electrical resistance. The amount of resistance change can be adjusted by changing the number of turns in the coil, which is also how the desired resistance value is set.

The RWR89SR280FRS73 is a robust and reliable resistor capable of handling high current and performing accurately over a wide temperature range. It can be used in various applications such as lighting control, motor control, and amplifier feedback. It is also relatively compact and lightweight, making it ideal for use in small spaces or confined environments. In addition, its magnetoresistance technology makes for a stable resistance value with minimal temperature drift.

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