OM1045E-R58

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Through Hole Resistors are common electronic components used to control current or voltage levels in circuits. The OM1045E-R58 is a surface mount resistance through hole device that is often used in power circuits to ensure safety and accuracy of components and equipment. In this article, we will discuss the application field and working principle of the OM1045E-R58.

The OM1045E-R58 is a through hole resistor specifically designed for high power applications. It has a 4-pin footprint, with two outer pins, one top pin, and one bottom pin. The pins are spaced at 1.25mm, and the device itself is 5.0mm x 5.0mm in size. The series is rated for up to a maximum of 5 amps at 125˚C, making it suitable for many higher current applications.

The OM1045E-R58 is often used in applications such as lighting control, electrical motor control and power switching. It is also commonly seen in industrial, medical and aerospace equipment. It is a robust device that can operate in temperatures ranging from -40˚C to +125˚C, and can handle transients up to 60A.

The main feature of this through hole resistor is its fixed resistance value. This value is typically between 0.1Ω and 100Ω, depending on the specific application. The resistance value is determined by the geometry of the resistive material inside the device. The material used for this series is typically iron manganese dioxide, which is capable of maintaining its resistance value over a wide range of temperature and current levels.

The working principle of this through hole resistor is based on its resistance value. When power is applied to the pins of the device, a voltage-to-current ratio is established, causing the current to be limited according to the voltage applied. The device then dissipates this current as heat, and it is this dissipation that causes the resistance to remain constant over a range of temperatures and currents.

The OM1045E-R58 is an impressive device that can be used in a variety of applications. It is temperature-resistant, reliable and accurate, making it ideal for power switching and motor control applications. The fixed resistance value also ensures that it is suitable for protecting sensitive circuitry from peak currents and transients.

In conclusion, the OM1045E-R58 is a versatile through hole resistor that can be used in many applications. It is suitable for high power circuits, and can handle temperatures ranging from -40˚C to +125˚C. Its resistance value is fixed, allowing it to provide consistent levels of protection and accuracy. It is often used in lighting control, motor control and power switching, and in a variety of industrial, medical and aerospace devices.

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