CU-2511 OHMITE Nos Potentiometer Linear

Review OHMITE Nos Vintage 250 Ohm Potentiometer Type U-linear

The Ohmite CU-2511 NOS 250 potentiometer is a high-quality, unlined, linear potentiometer designed for various applications where precise voltage control is required. This potentiometer is manufactured by Ohmite, a reputed name in the electrical components industry, ensuring reliability and consistency in its performance.

The CU-2511 NOS 250 potentiometer comes with a 250-watt power rating, making it suitable for heavy-duty applications. It features a carbon composition resistive element, which provides linear and stable resistance across its entire travel. The resistance value of this potentiometer is 100k , with a tolerance of 5%, ensuring accurate and precise voltage control.

This potentiometer has a shaft diameter of 5.5mm and a total length of 76mm. It comes with a knob made of bakelite material, which provides a comfortable grip and insulation from electrical current. The body of the potentiometer is made of phenolic material, which is known for its excellent electrical insulation properties.

The CU-2511 NOS 250 potentiometer has a temperature coefficient of resistance of 125 ppm/ C, which is relatively low, ensuring stable resistance over a wide temperature range. It has a maximum operating temperature of 85 C and can handle a maximum voltage of 1000V.

This potentiometer is designed to meet RoHS compliance and is suitable for use in various industrial, automotive, and audio applications. It is important to note that this potentiometer is not suitable for high-frequency applications due to its resistive nature.

In summary, the Ohmite CU-2511 NOS 250 potentiometer is a high-performance, linear potentiometer with a 100k resistance value, carbon composition resistive element, and a power rating of 250 watts. It is suitable for heavy-duty applications where precise voltage control is required and is designed to meet RoHS compliance. Its low temperature coefficient of resistance, linear and stable resistance, and excellent insulation properties make it an ideal choice for various industrial, automotive, and audio applications.

The Ohmite CU-2511 NOS 250 u-linear potentiometer is a type of electrical component used to adjust voltage or current in various electronic circuits. Here are some pros and cons of buying this potentiometer:

1. Authenticity: This potentiometer is a new old stock (NOS) item, meaning it is a previously unsold, original part from the manufacturer's production. This can be beneficial for those seeking a high-quality, authentic component for their vintage or historical electronic projects.

2. Linear Characteristic: The u-linear characteristic of this potentiometer ensures a constant resistance value throughout its travel, making it suitable for precise voltage or current adjustments in linear circuits.

3. Durable: Ohmite is a reputable manufacturer known for producing high-quality components, including potentiometers. The CU-2511 NOS 250 potentiometer is expected to be robust and long-lasting, capable of handling a wide range of applications.

1. Limited Availability: Due to its vintage status, the Ohmite CU-2511 NOS 250 potentiometer may be harder to find and purchase compared to newer components. This can result in higher prices or longer lead times.

2. Higher Cost: Given its authenticity and manufacturing history, the CU-2511 NOS 250 potentiometer may be more expensive than newer alternatives.

3. Size and Mounting: Depending on the specific requirements of your project, the dimensions and mounting style of this potentiometer may not be ideal. Be sure to check the specifications carefully before making a purchase.

The Ohmite CU-2511 NOS 250 u-linear potentiometer offers several advantages, including its authenticity, linear characteristic, and durability. However, its limited availability, higher cost, and potential size/mounting issues are important considerations. Ultimately, the decision to buy this potentiometer depends on the specific requirements and priorities of your electronic project.

If you're working on a vintage or historical project and need an authentic u-linear potentiometer, the Ohmite CU-2511 NOS 250 might be the best choice. However, if you're looking for a more cost-effective or readily available alternative, consider exploring newer options with similar specifications.

Details:

Shipping shown is to the lower 48 states.

specifications passivecompos:

• brand: Ohmite
• mpn: Cu-2511
• mounting style: Panel Mount
• type: Single Turn Potentiometer
• termination style: Soldering
• resistance rating: 250

offer passivecompos:

• in stock #: 5
• availability: in stock
• sold #: 17
• options: ship-to-home
• prices: $8.99–$41.86
• item condition:
  • New
  • New – Open box
  • Used
• started: june 21, 2025

returns passivecompos:

• policy: no returns

general passivecompos:

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

seller passivecompos:

• city: edwards, illinois
• # reviews: 5497
• rating: 99.8%

payments passivecompos:

• credit card: mastercard
• other
• wallet: google-pay

shipping passivecompos:

• type: fixed
• service: usps ground advantage
• carrier: usps
• class: standard
• transit: 4-9 days