42JA-20K CLAROSTAT Potentiometer

Review CLAROSTAT 42ja/20k Potentiometer 20k New

The Clarostat 42JA/20K is a high-precision 20,000-ohm potentiometer designed for applications where precise voltage control is essential. This potentiometer features a linear taper design, which ensures that the resistance between the wiper and each terminals changes linearly with respect to the rotation angle.

The Clarostat 42JA/20K is constructed using high-quality materials, including a carbon composition resistive element and a rugged ceramic body. The wiper is made from beryllium copper for excellent conductivity and resistance to wear, while the shaft is made from brass for durability and corrosion resistance. The knob is made from a high-quality, impact-resistant thermoplastic material.

This potentiometer has a maximum power rating of 5 watts and a maximum operating temperature of 70 C. It operates on a voltage range of 2.5V to 30V and has a typical wiper resistance accuracy of 2%. The rotational angle ranges from 0 to 270 , with a 10 detent at the 0 position for easy setting and adjustment.

The Clarostat 42JA/20K is suitable for a wide range of applications, including laboratory equipment, test and measurement instruments, and industrial control systems. Its high precision, rugged construction, and wide operating voltage range make it an ideal choice for applications where precise voltage control is critical.

The potentiometer comes with a 4-terminal configuration for easy connection to power and ground, with the wiper connected to the center terminal. It also comes with a detachable knob for easy installation and removal. The package includes mounting hardware for easy installation in various applications. Overall, the Clarostat 42JA/20K is a high-performance, versatile, and reliable potentiometer that provides precise voltage control for a wide range of applications.

The Clarostat 42JA/20K potentiometer is a variable resistor commonly used in applications that require precise voltage regulation or control. Here are some pros and cons of buying this potentiometer:

1. High Precision: This potentiometer offers a high degree of precision with a tolerance of 0.25%, making it suitable for applications where accurate voltage regulation is crucial.

2. Linear Taper: The linear taper design ensures that the resistance changes linearly with the angle of rotation, providing consistent and predictable voltage output.

3. Robust Construction: The Clarostat 42JA/20K potentiometer is built to last with a rugged metal housing and a carbon composition resistive element.

4. Wide Operating Temperature Range: It can operate in temperatures ranging from -25 C to 70 C, making it suitable for use in a variety of environments.

5. Low Impedance: With a low impedance of 25 ohms, this potentiometer can deliver high currents, making it ideal for power applications.

1. Cost: The Clarostat 42JA/20K potentiometer is more expensive than some other types of potentiometers due to its high precision and robust construction.

2. Size: This potentiometer has a relatively large size, which may be a consideration for applications where space is limited.

3. Manual Control: Unlike some other types of voltage regulators, this potentiometer requires manual adjustment, which can be time-consuming and less convenient than automatic control.

The Clarostat 42JA/20K potentiometer is a high-precision, robust, and versatile component suitable for a wide range of applications where accurate voltage regulation is essential. Its pros outweigh the cons, but it is essential to consider its cost, size, and manual control limitations before making a purchase.

If you require high precision voltage regulation or control in your application, the Clarostat 42JA/20K potentiometer is an excellent choice. Its rugged construction, wide operating temperature range, and low impedance make it a reliable and versatile component. However, if cost or size is a concern, or if you prefer automatic control, you may want to consider alternative solutions.

Details:

24 hour emergency service. Clarostat 42JA/20k potentiometer 20k new. If purchased after 2:00 pm CST allow 24 hours for order processing. D26 box 15/hp18.

Available for same day shipping. One year warranty. Appearance may vary from photo.

specifications passivecompos:

• brand: Clarostat
• mpn: 42ja/20k
• number of turns: -
• type: Potentiometer

shipping passivecompos:

• class: standard, expedited, one-day
• type: fixed
• service: standard, ups 2nd day air, overnight
• transit: 2-5 days
• carrier: ups

payments passivecompos:

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

seller passivecompos:

• city: talladega, alabama
• # reviews: 5364
• rating: 100.0%

returns passivecompos:

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

general passivecompos:

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

offer passivecompos:

• availability: in stock
• in stock #: 1
• started: april 30, 2026
• price: $35.00
• item condition: New
• options: ship-to-home
• sold #: 8