MFR100FRF73-49R9

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Through Hole Resistors are among the most widely used components in through-hole circuit boards. They are classified according to their size, construction, temperature and power ratings, and type of element used. The most commonly used Through Hole resistors are carbon composition, metal oxide film, and wirewound types.

The MFR100FRF73-49R9 is a Through Hole resistors manufactured by SFR Resistors. It is a Metal Film Resistor with 100 ohms resistance value, a tolerance of ±1%, and it is RoHS compliant. It has a length of 8.3mm, an operating temperature range of -55°C to +155°C, and its power rating is 0.6W at 70°C.

The MFR100FRF73-49R9 is designed for use in applications such as linear voltage regulators, power supplies, and for general purpose circuit designs. Its construction of a metal alloy film on an alumina base provides the user with high stability and low noise characteristics. Furthermore, MFR100FRF73-49R9 consists of metal glaze evaporated resistors with a linear resistive curve for accurate measurements.

The working principle of the MFR100FRF73-49R9 involves increasing the resistance of the component when a current passes through it. The resistor is constructed with metal alloy film, and the resistance is determined by the thickness of the film and the length of the component. When a current passes through the resistor, the film and length of the component experiences heat generation, and the temperature increases in response. The increase in temperature causes the metal alloy film to expand, and this creates a larger area of the resistor that is in contact with the air. The larger area causes an increase in the resistance of the resistor in response.

In conclusion, the MFR100FRF73-49R9 is a Through Hole resistors specifically designed for use in power supplies, voltage regulators, and general purpose circuits. It is constructed with metal alloy film on an aluminum base for stability, low noise, and accuracy. Its working principle is based on the increase of resistance with an increase of temperature due to the expansion of the metal alloy film.

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