RNC50H4640FSB14

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Through Hole Resistors (THRs) are a type of resistor used in electronic circuits to reduce current and voltage, dissipate power, calibrate impedance, or divide electrical signals. The RNC50H4640FSB14 is a THR typically used in audio applications, such as amplifiers, for wide-frequency bandwidth drives, and for low noise audio performance. This THR model offers good stability and a high power load capacity. It is able to operate in a temperature range from -55°C to +125°C. The RNC50H4640FSB14 has a power rating of 50W, a resistance range of 0.1Ω to 4.6MΩ, and a tolerance of ±5%.

The RNC50H4640FSB14 is able to withstand high current loads due to its metal oxide film construction. This metal oxide film is a gapped resistive layer, which primarily works by the Joule effect, which is the phenomenon where energy is converted into heat. Resistance is measured and controlled by adjusting the impurity level in the film and the size of the grains in the film. An air gap is placed in between the ceramic substrate and the resistive film to absorb thermal expansion. This ensures the resistor maintains its resistance over a wide range of temperatures.

The working principle of the RNC50H4640FSB14 THR involves the protection of electronic components from overloads, short circuits, and high levels of heat. The power dissipated within the resistor causes the resistor’s internal resistance to rise, limiting the current flowing through the component. This mechanism eliminates the risk of damage and improves the temperature regulation of the component. Additionally, the resistive values and characteristics of the THR can be adjusted to meet the requirements of the specific application.

THRs are typically used in output stages, input stages, feedback circuits, and power amplifiers. The RNC50H4640FSB14 is widely used in audio applications such as mixing consoles, speakers, musical instrument amplifiers, and sound cards. It is also used to control attenuators, economizers, and power supplies. The THR provides excellent performance in these applications, with high loadings and excellent noise performance, while operating safely and efficiently.

Overall, the RNC50H4640FSB14 THR is a reliable and cost-effective solution for applications in audio electronics. Its ability to adjust the resistive values provides flexibility for various uses, while its stability and power capacity ensure reliability and performance. With its high load capacity and wide temperature range, the THR is suitable for all types of audio circuits.

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