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Through Hole Resistors

A through hole resistor, or known as TH resistor, is a passive electrical component that is used to provide a specific resistor value in a specific high power environment. They have the ability to withstand more current, power and higher sustained heat than standard surface mount resistors. Most through hole resistors are cylindrical in shape and have a pair of wires extending outward on either side of the package. The TH resistor also offers superior protection from moisture and other environmental factors.

95J47R Application Field and Working Principle

The 95J47R through hole resistors are used in applications where the design requires a reliable high power component, such as power supplies, transformers, high power switching circuits, and other similar applications which require mounting the component onto PCBs. They are also widely used in applications where low noise is critical, such as medical applications, safety systems, and signal processing. In order to provide reliability, these resistors have several special features.

The 95J47R is a high power wirewound resistor with power ratings from 5 watts to 250 watts. They are designed to provide reliable and non-inductive performance while minimizing the effects of noise. The resistors feature an anisotropic effect, meaning they are designed to be heat resistant and provide longer life in high-voltage and high-temperature environments. This makes them ideal for high-current and high-frequency applications.

The working principle of the TH resistor is quite simple. As electrical current flows through the device, the resistance of the material builds up, resulting in a voltage drop. This voltage drop forms a resistor path and can be measured with an ohmmeter. The size of the voltage drop is dependent on the value of the resistance. Higher resistance values result in a greater voltage drop, while lower resistance values result in an insignificant voltage drop.

In order to increase the power ratings of the 95J47R, the material used to construct the resistor is ideally copper-cased aluminum, which is designed to dissipate heat more effectively and ensure reliable performance. In addition, the resistor is designed to reduce the thermal coefficient of resistance, meaning it will stay within its rated resistance for longer periods of time. This means that the resistor will maintain a consistent performance even after long hours of operation.

The 95J47R through hole resistors are designed to meet industry standards and provide reliable performance in high power electrical applications. They are ideal for medium to high voltage and medium to high current applications in power supplies, transformers, and high power switching circuits. The combination of low noise and high power capabilities makes these resistors a great choice for use in any environment.

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