PNP400JR-73-0R75

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Through Hole Resistors have become increasingly popular among engineers and circuit designers due to their higher accuracy and reliability compared to surface mount resistors. The PNP400JR-73-0R75 is a 3W Through Hole Resistor which is commonly used in a wide range of applications, including temperature sensing, current-limiting and voltage divider networks. This resistor is a non-inductive model, so it is ideal for switching applications.

PNP400JR-73-0R75 Application Field and Working Principle

The PNP400JR-73-0R75 is a non-inductive Through Hole Resistor with a power rating of 3W and maximum voltage rating of 400V. It is ideal for use in applications which require high power and accuracy, such as electric motors, power supplies and instrumentation. It is also suitable for use in high frequency and RF applications due to its low impedance in these frequencies. The PNP400JR-73-0R75 is commonly employed in temperature sensing, current-limiting and voltage divider networks.

In terms of its working principle, the PNP400JR-73-0R75 is a resistor which can dissipate heat to provide an electrical resistance to resist the flow of an electrical current. This device is particularly useful for controlling, reducing, and limiting the current passing through a circuit since it can be rapidly changed and can be used to provide safety isolation between different parts of a circuit. The resistance value of the PNP400JR-73-0R75 is precisely measured before it is installed into the circuit so that it can accurately limit the current according to the specific requirements of the circuit.

The PNP400JR-73-0R75 is constructed of a metal alloy core that is surrounded by a ceramic layer. This ceramic layer is used to help dissipate heat generated by the resistor due to the current flowing through it, allowing it to operate at higher power levels with greater efficiency than conventional resistors. The PNP400JR-73-0R75 also has an open/closed case design, which ensures that no air or moisture can enter into the device, preserving the accuracy and reliability of the resistor. It also has a resin coating on its exterior which helps protect it from the environmental conditions it might encounter in its working environment.

The PNP400JR-73-0R75 is a very reliable and accurate resistor which is often used in high power applications. It offers excellent temperature stability, good ceramic insulation characteristics, and excellent low impedance characteristics. This device is suitable for use in a wide range of industrial and consumer electronics applications, such as temperature sensing, current-limiting and voltage divider networks.

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