HHV2WSFT-73-78K7

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Introduction

The HHV2WSFT-73-78K7 Through Hole Resistor is a resistor with an innovative design that provides excellent performance for high-voltage applications. The resistor features a rating up to 650 volts, and utilizes two layers of U-shaped metal which are formed into concentric “rings” and are separated by a dielectric. This reduces stress on the dielectric material due to thermal expansion. By having two layers of metal, the resistor is able to dissipate heat more efficiently, thus allowing sustained operation at higher voltage than with a single layer resistor. The resistor is also designed with a wide lead spacing for easy mounting and soldering.

Working Principle

The working principle of this Through Hole Resistor is quite simple. It uses two layers of U-shaped metal which are formed into concentric “rings” and are separated by a dielectric material. As voltage is applied across the resistor, electrons in the metal will move across the dielectric, creating a current. This is opposed by the resistance of the metal, resulting in a certain amount of heat being generated as the current flows through the resistor.

As the voltage increases, the electrons are pushed harder, resulting in more heat generated, and therefore a larger energy loss. This also increases the resistor’s temperature, which in turn affects its resistance. By using a design with two layers of metal separated by a dielectric, the resistor is able to dissipate heat more efficiently, allowing it to be used in high voltage applications without damaging the resistor.

Applications

This Through Hole Resistor is typically used for high voltage applications, such as in AC-DC converters, DC-DC converters, and inverters. It is also a popular choice for motor control applications, as its ability to dissipate heat allows it to be used in these applications without risking damage to the resistor or the surrounding components.

The resistor is also suitable for use in high power applications. The two layer design reduces the risk of thermal runaway, making it a reliable choice for applications that require a resistor to handle high power loads. This makes it an attractive choice for use in automotive applications, where reliability and safety are important.

Conclusion

The HHV2WSFT-73-78K7 Through Hole Resistor is an innovative design that provides excellent performance for high-voltage applications. Its two layer design significantly reduces the risk of thermal runaway, making it a reliable choice for high power applications. The wide lead spacing makes it easy to mount and solder, while the highly efficient heat dissipation capabilities allow it to be used in a wide range of applications. It is a reliable choice for any application which requires a high-voltage resistor with excellent performance.

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