KNP100JR-73-4R7

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through hole resistors are used to limit or stabilize electrical current in circuits. Their primary function is to reduce current while dissipating energy through its resistive element. Among the different types of resistors, one of the most popular products is the KNP100JR-73-4R7 through-hole resistor.

Design and Construction

The KNP100JR-73-4R7 through-hole resistor is a four-terminal through-hole resistor with a resistor element encapsulated into a glass-filled nylon housing. It is designed to withstand temperatures range from -55°C to 155°C and a power rating of 1 watt. The resistor element can be made from metal film, carbon film, or resistors based on other materials. The resistor has an operating temperature of 70°C. The resistor element is wrapped around a non-conductive ceramic core and the terminals are attached to the ceramic core.

Features and Benefits

The KNP100JR-73-4R7 through-hole resistor has a few features and benefits that make it a great choice for applications in industries like aerospace, automotive, and military. First, the rugged construction allows for high reliability in hostile environments, while the glass-filled nylon housing provides better insulation and long-term performance. Additionally, the four-terminal design allows for easy termination, especially when space is tight. The resistor also has a low electrical noise, making it well suited for applications needing low noise. Lastly, the resistor is RoHS compliant, meaning it does not contain any hazardous substances.

Applications

The KNP100JR-73-4R7 through-hole resistor is most often used in power supply, power distribution, and motor control applications. It is also used for current monitoring and sensing in medical, industrial, and commercial applications. The resistor is also used in military and aerospace applications requiring reliable operation in hostile environments. Additionally, due to its low noise performance, the resistor can also be used for sensitive analog circuits.

Working Principle

At its simplest, the working principle of a through-hole resistor is based on Ohm\'s Law. More specifically, it states that “the current in a circuit is inversely proportional to the resistance”. This means that the greater the resistor\'s value, the less current is able to flow through the resistor. As a result, the resistor reduces or stabilizes the current flow in an electric circuit. Additionally, the resistor dissipates electrical energy as heat, which needs to be accounted for during operation.

Conclusion

The KNP100JR-73-4R7 through-hole resistor is a rugged and reliable component that can handle temperatures of up to 155°C and is RoHS compliant. It is used in a variety of power, sensing, and other applications requiring a reliable operation in harsh environments. Working on the principle of Ohm\'s Law, the resistor reduces or stabilizes the current flow in an electric circuit while dissipating electrical energy as heat.

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