39099-450 OHMITE Rheostat

Review OHMITE Rheostat 39099 450

The Ohmite 39099-450 Rheostat is a versatile and reliable electrical component designed for precise voltage regulation and current control in various applications. This rheostat, specifically model 39099-450, is manufactured by Ohmite, a trusted name in the electrical industry known for its high-quality resistive products.

The Ohmite 39099-450 Rheostat is a linear, wire-wound type, which means it provides a smooth and steady resistance adjustment. Its resistance range is from 0.05 to 450.0 , making it suitable for a wide array of applications where precise voltage adjustment and current control are essential. This rheostat is designed to handle a maximum current of 5 Amperes and a maximum power dissipation of 22.5 Watts.

The 39099-450 Rheostat features a robust construction with a ceramic insulator and a brass housing. It has a silver-plated, nickel-chromium resistance wire wound on a porcelain former. The wire is supported by an insulating material, ensuring reliable performance even under heavy usage. The rheostat also comes with a rotary type wiper, which provides excellent contact quality and ensures accurate voltage regulation.

The Ohmite 39099-450 Rheostat is designed to operate over a wide temperature range of -20 C to 70 C. It is suitable for various industrial, laboratory, and research applications, such as power supplies, test equipment, and process control systems. The rheostat has a compact size of 2.62 inches (66.6 mm) in length, 1.52 inches (38.6 mm) in width, and 1.2 inches (30.5 mm) in height, making it easy to install in confined spaces.

In conclusion, the Ohmite 39099-450 Rheostat is a high-performance, versatile, and reliable electrical component designed for precise voltage regulation and current control. Its robust construction, wide resistance range, and excellent contact quality make it an ideal choice for various industrial, laboratory, and research applications. With its compact size and wide temperature range, it offers the flexibility and reliability needed in today's demanding electrical systems.

The Ohmite 39099-450 rheostat is a variable resistor designed for heavy-duty applications. Here are some pros and cons that may help you decide whether to purchase it:

1. High Power Rating: This rheostat can handle a maximum power of 450 watts, making it suitable for heavy-duty applications where high power is required.

2. Wide Resistance Range: It offers a resistance range of 0.1 ohms to 4500 ohms, allowing you to adjust the current flow through the circuit.

3. Robust Construction: The rheostat has a robust metal housing, which provides protection against overheating and shock.

4. Easy to Use: It features a linear taper potentiometer, which makes it easy to adjust the resistance.

5. Versatile: It can be used in various applications, including motor control, current limiting, and voltage regulation.

1. Size and Weight: It is a large and heavy-duty component, which may not be suitable for applications where space is limited.

2. Cost: Compared to smaller and less powerful rheostats, the Ohmite 39099-450 is more expensive.

3. Requires Precautions: Due to its high power rating, it requires extra precautions while handling and installing it.

The Ohmite 39099-450 rheostat is a high-performance component that is suitable for heavy-duty applications where high power and wide resistance range are required. However, its large size, weight, and high cost may not make it the best option for all applications. If you have the space and budget, and require the high power and wide resistance range, then this rheostat is an excellent choice. Otherwise, you may want to consider a smaller and less expensive option.

If you need a rheostat for a heavy-duty application and require a high power rating and wide resistance range, then the Ohmite 39099-450 is an excellent choice. However, if you have limited space or budget, you may want to consider a smaller and less expensive option. In any case, make sure to follow the proper safety precautions when handling and installing the rheostat.

Details:

specifications passivecompos:

• brand: Ohmite
• mpn: 39099-450

shipping passivecompos:

• service: usps priority mail, ups next day air, ups ground, ups 2nd day air
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• transit: 2-6 days
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offer passivecompos:

• sold #: 13
• started: january 6, 2026
• best offers: true
• price: $50.00
• item condition: New – Open box
• options: ship-to-home
• availability: in stock
• in stock #: 1

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• paid by: buyer
• policy: returns accepted
• time: 30 days
• method: money back

general passivecompos:

• category: Business & Industrial > Passive Components > Potentiometers Variable Resistors > Rheostats

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• city: amboy, washington
• rating: 100.0%
• # reviews: 886