RV4NAYSK255B CENTRALAB Meg Linear Potentiometer Shaft

Review CENTRALAB 2.5 Meg Ohm Vintage Linear Potentiometer Usa Long Shaft

The Centralab RV4NAYSK255B is a high-quality 2.5-megohm linear potentiometer with a shaft. This potentiometer is designed to provide precise and stable voltage division, making it an ideal choice for various applications where voltage control is essential.

The 2.5-megohm resistance value of this potentiometer offers a wide range of voltage adjustment capabilities. It features a linear taper design, which means that the resistance changes linearly with the rotation of the shaft. This ensures that the voltage output is directly proportional to the position of the shaft, making calibration and adjustment processes more accurate and reliable.

The Centralab RV4NAYSK255B potentiometer comes with a 6mm diameter, 25mm long, black anodized aluminum shaft. The shaft is smooth and easy to rotate, with a knob diameter of 16mm and a height of 10mm. The knob is made of high-quality, durable plastic, which provides a comfortable grip and allows for easy adjustment.

The potentiometer housing is made of epoxy resin, which provides excellent insulation and protection against environmental factors. The housing is also compact and lightweight, making it easy to install in various applications. The Centralab RV4NAYSK255B potentiometer is also RoHS compliant, which means that it meets the restrictions on the use of certain hazardous materials in electronic components.

This linear potentiometer is suitable for use in various applications, including audio volume control, gain control in instrumentation, and position sensing in automation systems. Its high accuracy, stability, and durability make it an excellent choice for demanding applications where precise voltage control is essential.

Overall, the Centralab RV4NAYSK255B 2.5-megohm linear potentiometer with a shaft is a versatile and reliable component that delivers precise voltage control and excellent performance. Its rugged construction and durable design make it suitable for use in various industrial and commercial applications, while its easy-to-use design and accurate voltage output make it a favorite among hobbyists and electronics enthusiasts.

Centralab RV4N-AYSK-255B is a 2.5 megohm linear potentiometer with a shaft. Here are some pros and cons that might help you decide whether to purchase this potentiometer:

1. High resistance value: With a resistance of 2.5 megohms, this potentiometer is suitable for applications that require a large resistance value.

2. Linear taper: This potentiometer has a linear taper, meaning that the resistance changes linearly with the rotation of the shaft. This is useful for applications where a consistent resistance change is desired.

3. Shaft: The presence of a shaft makes it easier to integrate this potentiometer into mechanical systems, as it can be attached to other components using bolts or screws.

4. Wide operating temperature range: This potentiometer can operate in temperatures ranging from -20 C to 70 C, making it suitable for use in a variety of environments.

5. RoHS compliant: This potentiometer is RoHS compliant, meaning that it does not contain any restricted substances, making it a more environmentally friendly option.

1. Large size: Compared to other potentiometers with similar resistance values, the Centralab RV4N-AYSK-255B is relatively large, which may not be ideal for applications with limited space.

2. Higher price point: Due to its large size and high resistance value, this potentiometer tends to be more expensive than other options with lower resistance values.

3. Requires external power source: This potentiometer requires an external power source to function, which may add to the complexity of the system in which it is used.

In conclusion, the Centralab RV4N-AYSK-255B 2.5 megohm linear potentiometer with a shaft is a suitable option for applications that require a large resistance value and a linear taper. Its wide operating temperature range, RoHS compliance, and shaft make it a versatile component. However, its large size and higher price point may be drawbacks for some users. Ultimately, the decision to purchase this potentiometer depends on the specific requirements of your application and your budget. If a large resistance value and linear taper are essential, and you have the space and budget for a larger component, then the Centralab RV4N-AYSK-255B may be a good choice. Otherwise, you may want to consider other options with lower resistance values and smaller sizes.

Details:

Markings include Centralab and usa, indicating high quality collectible value. Condition shows slight surface wear typical for age, but terminals and shaft appear functional, great hobbyists or electronics collectors. Ideal for restoring vintage audio gear, radios, or guitar amplifiers. Sturdy metal construction with three brass terminals and screw mounting.

Centralab RV4NAYSK255B potentiometer 2.5 meg ohm HMS-2.5 meg, vintage usa-made, long shaft linear.

specifications passivecompos:

• brand: Centralab
• mpn: Rv4naysk255b
• resistance rating: 2.5 M
• type: Linear Taper Potentiometer
• termination style: Lug
• mounting style: Panel Mount
• material: Metal
• country of origin: United States
• unit type: Unit

payments passivecompos:

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general passivecompos:

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

shipping passivecompos:

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

seller passivecompos:

• # reviews: 644
• rating: 100.0%
• city: sacramento, california

offer passivecompos:

• started: april 18, 2026
• in stock #: 2
• options: ship-to-home
• sold #: 12
• prices: $4.99–$22.00
• item condition: Used
• best offers: true
• availability: in stock

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• policy: no returns