45FR15E

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Through Hole Resistors, including the 45FR15E type, are an essential electronic component used in various electronics applications. The 45FR15E is a power resistor designed for use in high-power, high-current applications. It is a high-temperature, high-stability and high-accuracy device, offering fast rise times and good frequency response, making it ideal for many applications. This article will discuss the application field and working principle of the 45FR15E.

Application Field

The 45FR15E is suitable for use in a wide variety of applications, including:

• High-power, high-current switching circuits
• Power amplifiers
• Automobile engines
• Patient monitoring systems
• Mainboard integrated circuits (ICs)

The 45FR15E is suitable for use in harsh environments, as it is designed to withstand temperatures as high as 150°C and vibration up to 10 Gs.

Working Principle

The 45FR15E is a power resistor designed to dissipate a large amount of power, up to 93 Watts. It is constructed using a non-inductive, three element construction consisting of an alumina body, a ceramic layer, and a graphite layer. The alumina body serves as the heat sink for the resistor, dissipating heat away from the internal components. The ceramic and graphite layers act together as a solder protection layer, while the graphite layer increases the power rating of the resistor.

The 45FR15E consists of two metal contacts, one on either side of the resistor. The contacts are connected to two copper end caps, which are then connected to the power source. When current passes through the resistor, heat is generated, which is dissipated into the environment by the alumina body. As the power dissipated increases, so does the temperature of the resistor.

The 45FR15E is rated for a maximum power dissipation of 93 Watts, and a maximum operating temperature of 150°C. It offers fast rise times and good frequency response, making it ideal for many applications where high power levels are needed. It has a high thermal mass and a low thermal resistance, which ensures that its temperature will remain stable over a long period of time.

The 45FR15E is a high-performance, high-stability, and high-accuracy power resistor, making it suitable for use in a wide range of applications. It is well-suited for use in high-power, high-current switching circuits, power amplifiers, automobile engines, mainboard ICs, and patient monitoring systems.

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