ERA-V39J680V

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Specialized Resistors can be found in a variety of industrial applications and systems, such as the ERA-V39J680V. This specialized resistor is built to provide adjustable resistance for applications such as analog measurement, heat adjustments, and digital circuits.

The ERA-V39J680V is a ceramic-encased adjustable resistor design with a two-terminal construction. The external pull knob; used to make adjustments and fine-tune the output, is designed with a V-shaped profile and is mounted onto a metal casing. It is accessible through an adjustable hole cutout in the resistor body.

The resistor element inside the casing is comprised of a metal or carbon saturated ceramic element that is spirally wound to form a negative temperature coefficient (NTC) or a positive temperature coefficient (PTC) of resistance. The adjustable portion of the resistor is then augmented with a thermoelectric couple placed between the ceramic resistor element and a resistor bed. This thermoelectric couple is a type of transducer which converts thermal energy into electrical energy.

The resistance change is caused by the change of ambient temperature, which in turn activates the thermoelectric couple to produce an electric current, thus changing the resistance of the resistor element. This is known as the principle of self-regulation, where the device automatically adapts to changing conditions in order to stay within the operating parameters of the system.

In addition to temperature-induced change of resistance, the ERA-V39J680V also provides thermal stability and low thermal drift, making it ideal for temperature sensitive applications. The resistor can also be easily modified to suit custom requirements, as it can be connected in both series and parallel configurations.

The ERA-V39J680V is used in several industrial applications, including in heat-generating units of electric cookers, refrigerators, washing machines, and other electrical appliances, in oil-controlled switch-controlled, and in other temperature regulating devices. It is also popular for use in power supplies, audio equipment, and other digital devices.

The ERA-V39J680V is a reliable and durable solution for industrial applications and systems requiring adjustable resistance. It provides easy operation, stability, and low thermal drift, which makes it suitable for a wide range of temperature-sensitive applications.

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