LR0204F7K5

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Through Hole Resistors: LR0204F7K5 Application Field and Working Principle

Through hole resistors are a type of resistor which features a terminal at either end of a cylindrical body. These components are commonly found in high-end audio equipment, automotive electronics, and industrial control applications. They are usually composed of a nonconductive ceramic material and are capable of handling higher voltages and currents than other types of resistors. Among these through hole resistors, the LR0204F7K5 stands out for its excellent performance and power dissipation characteristics.

The LR0204F7K5 is a low-cost, ceramic, radial leaded through hole resistor. It is a resistor with two 4-kohm resistors in series. The LR0204F7K5 is able to handle up to 25 watts of power, making it suitable for high-power applications. The resistor also features a very low temperature coefficient of resistance (TCR) of ± 100 ppm/°C, ensuring that it remains stable over a wide range of temperatures. Additionally, it has a moisture-resistant coating, which provides corrosion protection and improved durability.

The primary application field for the LR0204F7K5 is high-power, high-reliability electronic components. Due to its low cost, high power rating, and excellent temperature coefficient, it is suitable for use in automotive electronics, audio, and industrial control systems. It can also be used as a power resistor in photovoltaic cells, as well as a voltage divider.

The LR0204F7K5 works by using its two 4-kohm resistors in series. This arrangement is known as a parallel arrangement, which can handle higher currents and voltages than a single resistor. The parallel arrangement allows the current to flow through the resistors in a balanced manner and prevents the resistor from overheating. The 4-kohm resistance creates a signal path with a resistance of 5.2k ohms.

The working principle of the LR0204F7K5 is based on Ohm\'s law. When a voltage is applied across the resistor, it creates a current. The current is then metered by the resistance of the resistor. The LR0204F7K5 is able to handle high voltage and current at the same time. The current is regulated by the TCR of the resistor.

In conclusion, the LR0204F7K5 is an excellent choice for a wide range of applications. Its low cost, high power rating, excellent temperature coefficient, and moisture-resistant coating make it suitable for a variety of electronic applications. Its working principle is based on Ohm\'s law, allowing it to handle high voltages and currents while metering the current via its resistance.

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