RSJ225 OHMITE Rheostat

Review OHMITE Rheostat Model Watt Ohms B41

The Ohmite RSJ225 Rheostat, model number 0143 25 B41, is a versatile and reliable adjustable resistor designed for various electrical applications. This rheostat from Ohmite, a trusted name in the industry, is engineered to provide precise and stable resistance adjustment.

The RSJ225 is a 1/4 watt, 2-wire rheostat, featuring a rotary dial control that allows for easy and accurate resistance adjustment. The dial has a graduated scale from 0 to 10, enabling users to set the desired resistance level with precision. The resistance range of this rheostat is from approximately 1.5 to 10 , making it suitable for a wide array of electrical systems.

This Ohmite rheostat is constructed using high-quality materials for superior durability and long-lasting performance. The housing is made of a robust, die-cast aluminum, while the rotary control is made of a heat-resistant, thermoplastic material. The terminals are gold-plated to ensure reliable electrical contact.

The RSJ225 is designed to operate in temperatures ranging from -20 C to 70 C (-4 F to 158 F), making it suitable for use in various environments. It features a rugged, fan-cooled design, which ensures efficient heat dissipation and stable performance even under heavy loads.

This rheostat comes with a 1-year manufacturer's warranty, providing users with peace of mind and confidence in their purchase. The dimensions of the RSJ225 are 2.6 inches (66.0 mm) in length, 1.5 inches (38.1 mm) in width, and 1.0 inch (25.4 mm) in height.

In summary, the Ohmite RSJ225 Rheostat, model number 0143 25 B41, is a high-performance, adjustable resistor that offers precise resistance adjustment, durability, and reliability for various electrical applications. Its robust design, wide operating temperature range, and fan-cooled heat dissipation ensure stable performance even under heavy loads.

A Detailed Analysis of the Ohmite RSJ225 Rheostat (0143 25 B41)

The Ohmite RSJ225 rheostat (0143 25 B41) is a popular choice for those in need of a reliable and precise variable resistor. In this analysis, we will discuss its key features, advantages, and disadvantages to help you make an informed decision.

1. Wattage: The Ohmite RSJ225 rheostat is designed to handle a maximum power dissipation of 25 watts.

2. Resistance Range: The resistance range is from 0.1 to 225 .

3. Mechanical Design: It features a wirewound resistor element and a potentiometer mechanism.

4. Housing: The rheostat is housed in a robust, die-cast aluminum case.

1. High Precision: The wirewound resistor element ensures high precision and stability, making it suitable for applications that require accurate control of resistance.

2. Durable: The die-cast aluminum housing provides excellent heat dissipation and protection against external damage.

3. Versatile: With a wide resistance range and high power handling capacity, this rheostat is suitable for various applications in industries such as electrical, automotive, and laboratory research.

1. Size and Weight: Compared to other types of variable resistors, the Ohmite RSJ225 rheostat is relatively large and heavy, which may not be ideal for space-constrained applications.

2. Manual Control: It is a manual rheostat, which means the resistance value needs to be adjusted manually using a knob.

3. Higher Cost: The use of a wirewound resistor and a robust housing contributes to a higher price point than other types of variable resistors.

The Ohmite RSJ225 rheostat (0143 25 B41) offers high precision, durability, and versatility, making it an excellent choice for applications where precise resistance control and robustness are crucial. However, its larger size, higher cost, and manual control may not be ideal for all applications. Considering the advantages and disadvantages, if the application requirements align with the rheostat's capabilities, it is a recommended purchase.

Details:

The Ohmite rheostat 0143 model is a 25 watt, 6 ohm potentiate designed for electronic components and semiconductors. This product is ideal for controlling the power rating and resistance in various electrical equipment supplies, making it a valuable component range of applications.

specifications passivecompos:

• brand: Ohmite
• mpn: Rsj225
• power rating: 25 W

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

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• sold #: 9
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• price: $30.00
• item condition: New
• started: january 15, 2026
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