PNP5WVJR-73-39R

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1. Introduction to Through Hole Resistors:

   Through hole resistors are electrical components with two terminals and electrical resistance in between. They are the most common type of resistor found in circuits today and are used to regulate the current passing through the circuit. The terminals of through-hole resistors are usually round (or rectangular, in more recent designs) with two leads protruding out of the opposite ends. The leads are usually made of copper and the resistor body is usually made of ceramic or plastic. Through hole resistors have a wide variety of applications in circuit design.

2. PNP5WVJR-73-39R Application Field and Working Principle:

   The PNP5WVJR-73-39R is a through hole resistor with a power rating of 3/4W, a resistance value of 39R, and a temperature coefficient of -7300 PPM/K. The resistor is typically used in dc-dc converters, audio equipment, LCD displays, and other types of circuitry where precision is required. The resistance value of the resistor is set by its composition of metal elements. When current passes through the resistor, some energy is lost due to electrical resistance. This is known as Joule heating. The temperature coefficient indicates how much the resistors resistance will change with changes in temperature.

3. Uses and Advantages:

   Through hole resistors have a wide variety of uses and advantages. They can be used to limit current, divide voltage, stabilize voltages, provide bias and calibration, convert signals, prevent noise interference, protect sensitive components, and much more. The most popular use for through hole resistors is in limiting current in circuits. By varying the resistance, the current passing through the resistor and the amount of energy dissipated can be adjusted, allowing for precise control of the flow of electricity.

   Through hole resistors are also resistant to vibration, corrosion, and water damage making them ideal for use in harsh environments. The design of through hole resistors also makes them easy to work with and mount, which can be beneficial in a variety of applications.

4. Limitations:

   Through hole resistors have some limitations that must be considered when using them. The most significant limitation is their relatively high cost compared to other types of resistors. The other main limitation is their inability to handle high power because the amount of heat dissipated can be too large depending on the resistor in question. Additionally, through hole resistors do have a voltage limit (typically 50V or more) that should not be exceeded.

5. Conclusion:

   Through hole resistors are a popular type of resistor commonly used in a wide variety of applications. The PNP5WVJR-73-39R is an example of a through hole resistor with a resistance value of 39R and a temperature coefficient of -7300 PPM/K. Through hole resistors offer a variety of advantages including the ability to control the amount of current passing through the circuit, their resistance to vibration and corrosion, and their ease of mounting. However, they can also be limited by their cost, ability to handle high power, and voltage limits.

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