RN70D1501FB14

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Through Hole Resistors

Through hole resistors are a critical component in many types of electronic devices and circuits for managing power and providing safety features. Used in countless applications, through hole resistors provide an effective way of controlling power flow and providing electrical protection. An example of this is the RN70D1501FB14, a through hole resistor which is designed to withstand the rigors of difficult, high temperature, and high voltage applications. Here we will explore the application field of this resistor and its working principle.

Application Field

The RN70D1501FB14 is a high temperature clip-mountable tubular resistor designed for appliance or audio-video equipment which typically requires good reliability and low noise performance at very high temperatures. It is also a great choice for power management in hybrid car applications. In addition, the resistor is rated to deliver 1500Watts of power at operating temperatures up to 250°C and is available in resistance values ranging from 1 ohm to 1M ohm.

Furthermore, the through hole resistor is also engineered to carry surges of up to 6070W in a single pulse without any damage. This makes it suitable for harsh environments and for applications requiring a higher wattage and surge rating for protection against power surges and short circuits.

Working Principle

The working principle of the RN70D1501FB14 through hole resistor is based on its construction - the wire-wound resistor. The resistor is made up of a resistor wire wound around a cylindrical insulator. When voltage is applied across the resistor’s two terminals, current flows through the wire-wound resistor. The resistor wire is made from a special alloy that resists the flow of current. The amount of resistance is controlled by the number of turns and diameter of the resistor wire and by the rate of contact between resistor wire and the insulator.

The RN70D1501FB14 resistor is also designed with a special heat sink and features a built-in thermistor sensor to further help regulate the temperature of the resistor, even in high temperature environments. This allows for more efficient operation and better performance even at very high temperatures. The thermistor also provides a safety feature that limits power consumption in the event of an overload or abnormally high temperatures.

Summary

The RN70D1501FB14 through hole resistor is a high-temperature clip-mountable tubular resistor designed for reliable power management and protection in audio-video or hybrid car applications. It features a built-in thermistor sensor and is designed to carry high power and surge without damage. Its working principle is based on the wire-wound type of resistor, and its resistance is controllable by varying its number of turns and diameter.

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