FMP300FBF73-12K1

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Through Hole Resistors

Through hole resistors, also known as Axial Lead Resistors, are resistors with one resistor element having two leads that extend out of the element. This leads are placed perpendicular (axial) to the axis of the component. This leads make the component installable onto a printed circuit board, which allows it to then be connected to other components.

The FMP300FBF73-12K1 is a brand and model of a through hole resistor. It is a fixed resistance value, “Frederich” metal film resistor. It is a metal film resistor, which is a resistor made of metal film on an insulating substrate. This is one of the most accurate and stable types of resistors due to its low temperature coefficient and excellent TIR (total inductance ratio). The FMP300FBF73-12K1 has a maximum power rating of 300mW and a resistance range of 12K ohms.

Application Field

The FMP300FBF73-12K1 through hole resistor is typically used in applications where long-term stability and accuracy are requirements. Its desired properties include low temperature coefficients, low inductance ratio, high resistance value and good linearity. These characteristics suit the FMP300FBF73-12K1 for use in precision voltage regulation and compensation in various devices such as audio amplifiers, radio and television receivers, and power supplies. It is also used in DC motor speed control, current limiting, voltage measurement, input signal conditioning, base bias signal regulation and protection circuits, as well as in precision voltage measurement.

Working Principle

The FMP300FBF73-12K1 is a resistance element that operates on the principle of Ohm’s Law. Its resistance value is determined by the diameter, length and material of the resistor element. The resistor is usually made of carbon film located on an insulating substrate. When an electrical current is passed through this element, electrical energy is dissipated as heat. In order to dissipate the heat, the resistor is often coated with a material that increases surface area and lowers thermal resistance.

The current going through the resistor is proportional to the voltage applied across it. Therefore, when a voltage is applied across the resistor, a current is generated that is proportional to the voltage, and the resistor will dissipate the heat generated due to the current flowing through it. The heat generated is proportional to the square of the current, and it can be calculated using the formula:

Heat = Resistance (R) x Current (I) x Current (I)

The resistor has an the operational voltage range of -65°C to +175°C. It also offers protections against overloads and transients. Some of the more important features of the FMP300FBF73-12K1 are its small size and light weight, its low coil inductance and its vibration and shock resistance.

The FMP300FBF73-12K1 through hole resistor is a general-purpose axial-lead resistor that offers good accuracy, unsurpassed stability, and excellent reliability in applications where long-term stability and accuracy are requirements. Its low coil inductance reduces thermal resistance and power dissipation to ensure that the required power can be dissipated safely.

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