OHMITE 8831 Rheostat Potentiometer

( Brand: Ohmite ), ( Manufacturer Part Number: 8831 )

Review OHMITE Rheostat Potentiometer Pn fits 300V

The Ohmite 8831 rheostat potentiometer is a versatile and high-performing electrical component, designed for use as a variable resistor or a voltage controlling device in various industrial, commercial, and laboratory applications. This rheostat potentiometer is rated for a voltage of up to 300 volts, making it suitable for use in high voltage circuits, such as those found in power distribution systems, electrical testing equipment, and high voltage power supplies.

The Ohmite 8831 is a wiper type rheostat potentiometer, which means that it has a rotary or linear shaft with a contact wiper that slides along a resistive element to vary the resistance. The resistive element in this component is made of carbon, ensuring excellent electrical conductivity and stability with a low temperature coefficient of resistance. This results in minimal drifts in resistance over time, and consistent performance under varying temperatures and conditions.

The 8831 rheostat potentiometer is built with a rugged and durable ceramic housing to withstand the rigors of industrial use. Its compact size of 2.0 inches (length) x 1.3 inches (width) x 1.6 inches (height) makes it ideal for use in confined spaces, bringing ease and convenience to your installation process. Its resistance range is between 10 ohms and 10 thousand ohms, with a power rating of 5 watts at 25 degrees Celsius. The operating temperature range for this component is from -40 degrees Celsius to 100 degrees Celsius, ensuring that it can handle a wide range of temperature conditions.

The 8831 rheostat potentiometer is equipped with a high-quality LokRange dial, which is a detented mechanism that provides positive detents at geometric intervals in resistance. This feature enhances ease of use and precision during adjustments, and ensures that the desired resistance value is accurately maintained. The shaft is also specifically designed for smooth rotation, reducing the likelihood of arcing and 'stick-slip' behavior for a more pleasant user experience. Additionally, its silver solder terminations ensure hassle-free wiring connections and prolonged reliability.

Overall, the Ohmite 8831 rheostat potentiometer delivers superior performance, durability, and versatility, making it an essential component in demanding industrial, commercial, and laboratory applications. With its robust construction, wide voltage and resistance ranges, and ease of use features, this component sets a new standard in versatile resistance control.

Ohmite 8831 Rheostat Potentiometer 300V: Pros and Cons

The Ohmite 8831 Rheostat Potentiometer 300V is a variable electrical resistor commonly used in adjusting current or voltage in industrial applications. Let's examine its advantages and disadvantages for your considerations.

1. Wide voltage range: The Ohmite 8831 rheostat potentiometer is rated for a voltage range of 300V, making it suitable for use in high-voltage applications.

2. Large adjustment range: With a resistance range of 0.25 to 7.5 , these rheostats offer a significant adjustment range, giving precise control over the current or voltage in your circuit.

3. Robust construction: Ohmite rheostats are known for their durability, making them ideal for industrial applications where heavy use and potential for wear and tear are common.

4. Self-heating compensation: Ohmite rheostats have a self-healing property which dramatically reduces the resistance reduction over time due to the heating effect. This feature makes the devices reliable even in cases with continuous high current flows.

5. Excellent temperature stability: These rheostats demonstrate low resistance shift caused by temperature changes, ensuring consistent performance over a wide temperature range.

1. Limited power handling capacity: The maximum power that can be dissipated is limited because these rheostats are used primarily for adjusting voltage or current rather than dissipating power. Therefore, it is essential to choose a power rating appropriate to your application.

2. Fixed resistance element: A fixed resistance element inside the potentiometer restricts the control of resistance beyond its defined range.

3. Potential for noise or hum: Due to the changing resistance, Ohmite rheostats can produce gentle humming or noise that may affect sensitive equipment. This is especially common when they are used at higher voltages.

4. Nonlinear resistance: Depending on the design of the device and temperature conditions, the resistance may not be completely linear over the entire range.

Overall, the Ohmite 8831 Rheostat Potentiometer 300V is a versatile option, suitable for various high-voltage applications with its extensive adjustment range and sturdy design. Although it has some cons, the advantages it offers, such as wide voltage range and self-healing properties, can make it a valuable addition to your industrial projects. Ultimately, it is essential to weigh the cons against the pros when selecting the best solution for your specific use case. If the limitations can be mitigated with proper application conditions or design considerations, then the Ohmite 8831 rheostat potentiometer may be a reliable choice for you.

Details:

Retain all shipping cartons/packaging. SHIPPING: USA Buyers: Most items are shipped UPS Ground, unless stated otherwise. Manufacturer: Ohmite.

part #: 8831 price

• $95.95

specifications avionicavioni:

• for models: 300v
• brand: Ohmite
• mpn: 8831

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• started: January 19, 2025

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