B20J750E

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Through-hole resistors have been an integral part of electronic circuits for many decades. They are reliable, cheap, and adaptable to a variety of applications, from small signal to high power. The B20J750E is a popular through-hole resistor with a wide range of applications in industrial, automotive, medical, and domestic applications. This article will discuss the operation of the B20J750E and its various application fields.

The B20J750E is a three-terminal high power resistor with a rating of 20W at temperatures up to 750°C. It is available in assorted resistance values ranging from 0.01Ω to 10KΩ. Due to its high power rating, the B20J750E can be used in high-current circuits where other resistors would fail. The three-terminal design allows the resistor to be connected in either series or parallel for higher power applications.

The working principle of the B20J750E is based on the Joule’s Law of heating. The resistor is constructed with a wire, usually made of nickel-chromium or nickel-iron alloy, and a ceramic form. The wire is wound around the ceramic form, and due to its resistance, current flow through the wire will create a heating effect. This Joule heating creates an adjustable temperature that can be used for a variety of applications, such as temperature control and over-current protection.

The B20J750E is primarily used in high-current applications, such as automotive and industrial motors, power supplies, and consumer appliances. Its high power rating and high temperature rating make it an ideal choice for these applications. It can also be used for current sensing and temperature sensing applications. Its ability to be connected in either series or parallel allows for a variety of resistor circuit configurations.

The B20J750E is also commonly used in medical applications. Its high power rating and wide range of resistance values make it an ideal choice for medical electrical equipment, such as patient intensive monitoring systems and imaging systems. It is also used in home appliances, where it is often used to sense temperature and current levels in washing machines, electric ovens, and refrigerators.

In conclusion, the B20J750E is a versatile three-terminal high power resistor that can be used in a variety of applications. It is commonly used in automotive, industrial, medical, and home applications. Its operation is based on the Joule’s law of heating, and its ability to be connected in either series or parallel allows for variable resistor circuit configurations. With its high power rating and wide range of resistance values, the B20J750E is an ideal choice for any high-current application.

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