LR2F390K

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Through Hole Resistors are a major type of electronic component used in printed circuit boards. They are used for a variety of applications, including providing an electrical connection between two conductors, controlling the current output of power supplies, and providing a low-resistance path for protection and signal filtering. As one of the essential passive components in electronic circuits, the LR2F390K resistor is a multiple segment, variable-resistance device commonly used in many electronic systems.

The LR2F390K is an axial lead, through-hole resistor manufactured with a wide range of sizing and resistance options. The surface-mount device has a voltage rating of up to 500 V and a power rating of up to 20W. It has a very low temperature coefficient, meaning that it is highly stable and resistant to temperature changes. The component is a six-segment, adjustable resistor crafted with two adjustable knobs connected to resistors for adjustment of resistance. It is mounted on the printed circuit board for easy installation and provides a reliable connection that conserves the board space.

The LR2F390K is versatile and used in many different applications, such as regulating AC voltage, controlling noise, and maintaining stable current. For AC voltage regulation, the device can be used to maintain a steady voltage level. The resistor acts like a voltage divider that automatically adjusts the voltage to match the set voltage level. The LR2F390K is especially suitable for voltage regulation applications, as it is designed with precise construction and features a self-set feature that helps reduce the complexity of the device setup. The resistor is also used in noise-reduction applications, as its line-balancing ability can significantly reduce the risk of electric discharge.

In addition, the LR2F390K resistor is also used for current control and stabilization. The device helps to ensure a constant current level in the circuit, improving signal accuracy and reducing power loss due to mismatch between the values of different components. The resistor\'s adjustable resistive material helps to match the current levels to the specific load in the circuit. This device is especially effective when used in high-current audio amplifiers, as its adjustment capability allows for precise volume control.

The LR2F390K also provides a low-resistance path for protection and signal filtering. The through-hole resistor has a very low resistance value, due to its precise construction, which helps prevent voltage drops in the circuit. The device also helps filter out high-frequency signals, making it ideal for noise-sensitive applications. Additionally, the resistor acts as a safety switch, as it can automatically break the current path if the voltage exceeds a certain level.

The LR2F390K through-hole resistor is a highly versatile device that offers a variety of features and benefits. Its small size and precise construction make it suitable for a wide range of applications, from AC voltage regulation to current stabilization. Additionally, its low resistance values and signal-filtering capabilities make it ideal for use in noise-sensitive circuits. The resistor is also designed with a self-set feature to simplify the device setup and provide a reliable connection.

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