0543 OHMITE Wirewound Rheostat Potentiometer

Review OHMITE Wirewound Rheostat Potentiometer Ohm 0.35 150w Model Lot/2

The Ohmite 0543 wirewound rheostat potentiometer is a versatile and powerful electrical component designed for precision voltage control and power dissipation in various applications. This rheostat potentiometer, specifically identified as model 1250 with a resistance value of 0.35 ohms and a maximum power rating of 150 watts, is part of Ohmite's extensive line of resistive products.

This 1250 Ohmite rheostat potentiometer is characterized by its wirewound construction, which provides excellent stability and reliability over a wide temperature range. The wirewound design also ensures smooth, linear resistance adjustment, making it an ideal choice for applications that require precise voltage control.

The 0.35-ohm resistance value of this rheostat potentiometer makes it well-suited for applications that require moderate resistance adjustment. With a maximum power rating of 150 watts, it can handle relatively high power levels, making it a suitable option for various industrial, laboratory, and automotive applications.

This lot of 2 Ohmite 0543 rheostat potentiometers comes with a variety of useful features. They are equipped with a knurled, bakelite knob, which provides a firm grip and ease of adjustment. The potentiometers also feature a tapered shaft, allowing for easy installation in tight spaces. Additionally, they have a long, vertical mounting shaft with a setscrew for secure attachment to the mounting surface.

This Ohmite rheostat potentiometer is designed for a maximum operating temperature of 75 C (167 F) and is suitable for use in applications with a voltage range of 5V to 50V AC or DC. It comes with a 1-year warranty, ensuring customer satisfaction and peace of mind.

With its reliable construction, excellent temperature stability, and precise resistance control, the Ohmite 0543 wirewound rheostat potentiometer is an essential component for engineers, technicians, and professionals in various industries. Whether you're working on an automotive project, designing laboratory equipment, or building industrial control systems, this potentiometer can help you achieve the accurate and consistent voltage control you need.

The Ohmite 0543 wirewound rheostat potentiometer is a commonly used adjustable resistor with a power rating of 150W. Here are some pros and cons that may help you make an informed decision about purchasing this component:

1. High Power Rating: This rheostat potentiometer can handle a significant amount of power, making it suitable for heavy-duty applications.

2. Wirewound Design: The wirewound design provides better temperature stability and linearity compared to other types of resistors.

3. Rugged Construction: The potentiometer is built with a robust design, making it suitable for industrial applications where it may be subjected to harsh conditions.

4. Wide Temperature Range: The operating temperature range of this potentiometer is quite broad, making it suitable for use in various environments.

5. Replacement Part: The 0543 model is a popular choice and is widely available, making it an easy-to-find replacement part for various applications.

1. Limited Resistance Range: The resistance range of this potentiometer is limited to 0.35 ohms, which may not be suitable for all applications.

2. Manual Adjustment: This potentiometer requires manual adjustment, which may not be ideal for applications where precise and automatic control is necessary.

3. Size and Weight: The size and weight of the potentiometer may be a consideration for applications where space and weight are at a premium.

In conclusion, the Ohmite 0543 wirewound rheostat potentiometer is a robust and reliable component suitable for heavy-duty applications where precise resistance control is not required. Its high power rating, wirewound design, and rugged construction make it a popular choice for industrial applications. However, its limited resistance range, manual adjustment, and size and weight may be drawbacks for some users. Ultimately, the decision to purchase this potentiometer depends on the specific requirements of your application. If the resistance range and manual adjustment are not a concern, and you require a high-power, reliable adjustable resistor, then this potentiometer may be an excellent choice for you.

Details:

Approx 25 rheostats 4 boxroom.

specifications passivecompos:

• brand: Ohmite
• mpn: 0543
• power rating: 150 W
• material: Ceramic
• type: Rotary Rheostat
• packaging: Bulk

seller passivecompos:

• # reviews: 247
• city: bridgeton, new jersey
• rating: 100.0%

payments passivecompos:

• wallet: google-pay
• credit card: diners-club
• other

offer passivecompos:

• best offers: true
• started: october 23, 2025
• options: ship-to-home
• in stock #: 5
• sold #: 10
• availability: in stock
• prices: $27.00–$550.00
• item condition:
  • New – Open box
  • Used
  • Unspecified
  • New

shipping passivecompos:

• class: standard
• type: fixed
• service: usps ground advantage
• carrier: usps
• transit: 5-12 days

returns passivecompos:

• policy: no returns

general passivecompos:

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