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Landon Stewart
Landon Stewart

Variable Resistor 10k Datasheet Pdf 28



Wirewound adjustable (regulated, variable) high-power resistors of tubular type APT (RX20, RXG) series, rated resistance from 1 Ohm to 100 kOhm, resistor dissipation power from 7.5W to 160W.




variable resistor 10k datasheet pdf 28



Structurally, the resistor consists of a tubular ceramic core on which a constantan (low resistance resistor) or nichrome (high resistance resistor) wire is wound. Resistors are coated with heat-resistant and moisture-resistant insulating paint.


Resistor resistance is adjusted by changing the position of the moving clamping collar (movable contact) along the case (tube). The contact between the clamping collar and the wire coils of the resistor is provided by the unpainted side of the housing.


Contacts, resistor leads are rigid, tape type with screw holes or for soldering conductors. Kind of mounting is hinged. Mounting of resistors on the panel is provided by a set of fasteners. Resistance tolerance is 5%, 10%.


Our company is engaged in the production and sale of wirewound tubular resistors. All our products pass strict quality control and meet the necessary standards. Since we are the manufacturer, and in the price of the final product does not include dealer markups, we have low price saddle packing.


Our company is engaged in the manufacturer and sale of wirewound tubular resistors fixed and adjustable types. You can buy resistors from us in any volumes, and when ordering large lots, the price will be lower. We have earned the trust of customers and supply products all over the world.


We remember from our tutorial about Resistors in Series that different voltages can appear across each resistor depending upon the value of the resistance and that a voltage divider circuit has the ability to divide its supply voltage by the ratio of R2/(R1+R2).


The impedance of resistor R1 does not change with frequency. Resistors are of fixed values and are unaffected by frequency change. Then the voltage across resistor R1 and therefore the output voltage is determined by the capacitive reactance of the capacitor at a given frequency.


This then results in a frequency-dependent RC voltage divider circuit. With this idea in mind, passive Low Pass Filters and High Pass Filters can be constructed by replacing one of the voltage divider resistors with a suitable capacitor as shown.


So, we can summarize the behaviour of a capacitor in a variable frequency circuit as being a sort of frequency controlled resistor that has a high capacitive reactance value (open circuit condition) at very low frequencies and low capacitive reactance value (short circuit condition) at very high frequencies as shown in the graph above.


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Potentiometers are variable resistors that are commonly used for all applications involving a reasonable number of cycles (few tens of thousands, manually actuated). Mounted behind the front panel for various equipment, they frequently feature buttons mounted on their shafts. Typical applications include: setting the light or the brightness of a screen, turning the volume for an audio application, setting the speed on tool machining equipment, or various parameters for industrial remote controls.


Ohmite has been the leading provider of resistive products for high current, high voltage, and high energy applications for over 95 years. The company's full complement of resistor construction includes wirewound, wire element, thick film, and ceramic composition. Ohmite also leads the way in thermal management for resistive and other technologies offering a vast array of heatsinks.


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