MFR100FRF52-910R

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Through Hole Resistors come in a variety of shapes and sizes and the MFR100FRF52-910R is a powerful example of this technology. In this article, we’ll look at the MFR100FRF52-910R’s application field and working principle.

Application Field

The MFR100FRF52-910R is a through-hole resistor, meaning it passes through the hole on the PCB board and has both connecting leads on either side. It has been designed for use with high temperatures, so it is suitable as a power resistor for applications that require a high wattage or one that operates at a higher temperature. This makes it perfect for use in motor control and motor start/stop systems, as well as HVAC systems.

It is also suitable for use in switching applications such as AC/DC buck-boost converters, DC/DC converters, power FETs, and AC/DC relays. It can also be used in LED dimming and driver circuits, as well as in high current applications that require high wattage or high temperature. It is also suitable for use in hybrid electric vehicles and solar power systems.

Working Principle

The MFR100FRF52-910R through-hole resistor works through the principle of opposed-element construction. The resistor consists of two opposing elements, a core wire and resistive element. When current is passed through the resistor, it is divided into two equal parts. One portion of the current flows along the core wire and the other portion through the resistive element. This process creates a voltage drop, so the opposing voltage is applied to the resistive element.

The MFR100FRF52-910R uses a pair of copper-clad steel wires as its core wire. These wires provide the current path with heat containment to ensure a high wattage rating and extended life expectancy. It also has an epoxy breakdown and flame retardant to increase the safety of the resistor and to make sure it meets fire safety requirements.

It also uses a Ni-Cr alloy for its resistive element, which provides excellent thermal performance so the resistor can withstand high temperatures. The Ni-Cr alloy also ensures a very low non-linearity so the resistor can accurately adjust to frequent load changes and remain stable. The high thermal conductivity of the Ni-Cr alloy also allows for large wattage ratings and long-lasting performance.

The MFR100FRF52-910R is also well-designed to ensure accurate power rating and repeatable performance. Its pins are designed to ensure smooth insertion into the PCB and its construction uses solderless press-fit technology for better efficiency and reliability. The resistor also comes with a special plastic holding cap to ensure the resistor won’t become dislodged or move around when the board is vibrated.

Overall, the MFR100FRF52-910R through-hole resistor is a powerful and durable part that is designed to withstand high temperatures and accurately regulates the power passing through it. Its design and materials make it ideal for use in power switching, motor control, HVAC, and power FET applications.

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