CU-7521 OHMITE Potentiometer Ab Linear Panel Mount Box

Review OHMITE Cu 7521 Potentiometer 7.5 Type Ab U-linear Panel Mount Box Of

The Ohmite CU-7521 7521 potentiometer is a high-performance U-linear panel mount variable resistor, designed for use in various industrial and commercial applications. This potentiometer comes in a compact, boxed design with a 7.5A current rating and a 21mm diameter.

The CU-7521 is constructed with a carbon composition resistive element, which provides excellent stability and accuracy over a wide temperature range. It offers a continuous resistance value of 10 ohms with a tolerance of /- 20%, ensuring precise and reliable control of electrical current.

The U-linear taper of this potentiometer provides a consistent and linear resistance change, making it ideal for applications that require precise voltage or current adjustments. The panel mount design features a knob with a 1.5 inch (38mm) shaft length, making it easy to access and adjust the resistance value.

This potentiometer is rated for a maximum operating temperature of 70 C and comes with a sealable box to protect against dust and moisture. The box is also designed for easy installation, with mounting holes provided for securing it to a panel or surface.

The CU-7521 potentiometer is suitable for use in various industrial and commercial applications, such as power amplifiers, motor speed control, and test equipment. It has a power rating of 7.5 Watts and can handle a maximum voltage of 600VAC or 1200VDC.

Overall, the Ohmite CU-7521 7521 potentiometer is a high-quality, reliable, and versatile component for precision voltage or current adjustments in a wide range of industrial and commercial applications. Its compact size, linear taper, and rugged construction make it a popular choice among engineers and technicians.

The Ohmite CU-7521 7521 potentiometer is a 7.5A, U-linear, panel mount variable resistor. Here are some pros and cons that may help you decide if this potentiometer is suitable for your needs.

1. U-linear taper: This type of taper provides a constant resistance increment per degree of rotation, which is desirable for applications where a consistent change in resistance is required.

2. High current handling capacity: With a maximum current rating of 7.5A, this potentiometer can handle higher currents than some other models, making it a good choice for power applications.

3. Wide operating temperature range: The CU-7521 can operate in temperatures ranging from -30 C to 85 C, making it suitable for use in a variety of environments.

4. Easy to install: The panel mount design allows for easy installation, as it can be mounted directly onto a panel or other surface.

1. Relatively high resistance value: With a total resistance of 100 ohms at 25 C, this potentiometer may not be suitable for applications that require very low resistance values.

2. Limited adjustment range: The maximum resistance change is only 20 ohms, which may not be enough for some applications that require a larger adjustment range.

3. Potential for noise and drift: As with any potentiometer, there is a risk of noise and drift over time, which may affect the accuracy and consistency of the resistance value.

In conclusion, the Ohmite CU-7521 7521 potentiometer is a reliable and robust component for applications that require a high current U-linear potentiometer with a wide operating temperature range. Its ease of installation and consistent resistance increment make it a good choice for power applications where a precise adjustment range is not required. However, its relatively high resistance value and limited adjustment range may make it less suitable for applications that require very low resistance values or a larger adjustment range.

If you are looking for a high current U-linear potentiometer with a wide operating temperature range and easy installation, the CU-7521 may be a good choice for you. However, if you require a lower resistance value or a larger adjustment range, you may want to consider other models with different specifications.

Details:

This product comes in a convenient box of 2 units, offering reliable solution for controlling resistance electrical equipment and supplies. The Ohmite cu 7521 potentiometer is a 7.5 k 2 w type ab u-linear panel mount designed for use in various electronic components and semiconductors.

specifications passivecompos:

• brand: Ohmite
• mpn: Cu-7521
• part type: Linear Panel Mount Box
• unit type: Unit

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

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• price: $17.01
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• started: november 9, 2025