WNB750FET Resistors

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Through-hole resistors, also known as leaded resistors, are a type of resistor designed to be mounted in a circuit board and connected using leads. The WNB750FET is a variable surface mount resistor designed to replace traditional through-hole resistors. It has a wide range of applications due to its unique combination of features. This article will discuss the various applications of the WNB750FET, as well as its working principle.

The WNB750FET is well-suited for applications in which low power consumption, space savings, or thermal management are important considerations. For example, it can be used to replace low-power resistors in amplifier circuits, where it offers up to 10x the power efficiency of a traditional through-hole design. It is also useful in medical devices, where space savings and thermal management are important. In these applications, the WNB750FET requires up to 60% less space than a leaded resistor and with up to 50% lower temperature rise.

The WNB750FET also offers superior EMI/RFI shielding. The resistor has a unique case and terminal design that allows for excellent contact between the resistor and circuit board. This allows it to provide up to 10 times more effective shielding than a traditional through-hole resistor. The WNB750FET also features an extra long lead for easy mounting and handling. This makes it well-suited for applications where vibration levels may be high.

In terms of working principle, the WNB750FET is a surface mount resistor that uses a thin-film technology. The resistor is constructed by depositing a thin film of metal (typically nickel-chrome) onto a ceramic substrate. This forms a highly resistive surface. The resistance of the resistor is determined by the thickness of the film and the area of the substrate. The resistive film is then integrated into a hermetically sealed package.

The WNB750FET is a versatile through-hole resistor that can be used in a variety of applications. Its space savings, low power consumption, and EMI/RFI shielding make it well-suited for use in medical devices, amplifiers, and other applications. Its unique construction ensures reliable operation and repeatable performance. All of these features make it an ideal choice as a replacement for traditional through-hole resistors.

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