NKN500JR-91-2R

Through Hole Resistors are components that are designed to allow unwanted current to flow through them, producing heat in the process. The NKN500JR-91-2R is a through-hole resistor that is designed for a variety of applications. In this article, we\'ll discuss the application field and working principle of this NKN500JR-91-2R through-hole resistor.

The NKN500JR-91-2R is a through-hole resistor with a ±1 percent resistance tolerance, ±200 millivolt temperature coefficient, and a rated power of 500 milliwatts. It also has a wide operating temperature range of −55 +++85 C, making it well suited for applications that require resistance or voltage stabilizing. This resistor is also rated for up to 50 volts of direct current.

The NKN500JR-91-2R\'s application field includes power supplies, communication devices, digital products, relay circuits, automotive sensors, and other electronic components. In power supplies, the resistor is used to reduce the output voltage by dissipating heat, while in relay circuits it is used as a current shunt to measure the input current. In automotive sensors, the resistor is used to measure the electrical resistance of the sensor. It can also be used in motor drive circuits to reduce the current demand from the motor.

In terms of working principle, the NKN500JR-91-2R is composed of two parts—a resistor element and a current limiting element. The resistor element is made up of a fixed resistor, whose resistance determines the amount of current that can pass through. The current limiting element is composed of a diode and a variable resistor, which limits the amount of current that can flow through. The diode effectively restricts the voltage across the resistor, preventing it from exceeding its rated voltage, while the variable resistor provides a fine adjustment of the current level. These two elements work together to ensure that the resistor operates within the specified parameters.

In conclusion, the NKN500JR-91-2R through-hole resistor is a versatile and reliable component with a variety of applications. It is designed for use in power supplies, communication devices, digital products, relay circuits, automotive sensors, and other electronic components. It is composed of two parts—a resistor element and a current limiting element—which work together to ensure that the resistor operates within the specified parameters. With its wide operating temperature range, ±1 percent resistance tolerance, and ±200 millivolt temperature coefficient, the NKN500JR-91-2R is an excellent choice for any through-hole resistor application.