LR1F118K

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Through Hole Resistors

Through-hole resistors are an important component found in a vast variety of electronic circuits. A through-hole resistor is a discrete element consisting of a ceramic core with a wire leaded to it. The ceramic core and lead wire are usually coated with a heat conducting material to improve the thermal transfer between the resistor and the device it is connected to. There are many types of through-hole resistors such as axial lead resistors, radial lead resistors, and surface mount resistors.

LR1F118K application field and working principle

The LR1F118K is a through-hole resistor that is commonly used in circuits such as low frequency power equipment, transducers, consumer electronics, and computers. It has a maximum of 400 watts of power dissipation, a working temperature range of -55°C to +155°C, and an operating voltage range of 14 to 180 volts. The LR1F118K is designed to provide a precise resistance value over a wide temperature range, often referred to as the “operating reliability window.”

The LR1F118K through-hole resistor is a four-terminal resistor consisting of a ceramic cylinder core, two metal end caps, and two leads. The end caps are usually made from metal and the leads are typically insulated with a polymer material. The resistor has two terminals (the leads) that are used to make electrical connections. The resistance value is determined by the size of the core and the length of the leads. The ceramic core is constructed with an insulated material such as ceramic glass, which allows for a controlled current flow when electricity is applied to the wires.

The LR1F118K resistor has a maximum power dissipation and it is usually specified as a wattage rating. The wattage is specified by the manufacturer to ensure that the resistor does not overheat and malfunction. The wattage rating is determined by the surface area of the ceramic core, the thickness of the end caps and the type of wire used. The power dissipation of the LR1F118K is sufficient for low-power circuits, such as low-voltage transducers.

The working principle of the LR1F118K resistor is based on Ohm’s law. Ohm’s law states that the voltage across a resistor is equal to the current flowing through it times its resistance. The voltage across the resistor is constant for a given current through the resistor. This provides the stability that is necessary for accurate measurement of resistances. The resistance of the LR1F118K resistor can be very precise due to its highly conductive ceramic core.

The LR1F118K through-hole resistor is an important component in a wide variety of circuits due to its superior power dissipation and accurate resistance values. Its stable and reliable performance makes it a preferred choice for circuit designers. The LR1F118K is designed to provide a consistent performance over a wide temperature range and its power dissipation is sufficient for most low-power applications. Additionally, the resistor has a long lifetime and is resistant to environmental factors such as shock, vibration, and chemical exposure.

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