CU-3521 OHMITE Potentiometer Linear Ab

Review OHMITE Potentiometer 3.5k Ohms 2w Type U-linear Ab

The Ohmite CU-3521 is a high-quality U-linear, fixed wiper, potentiometer offering a resistance value of 3.5k Ohms and a power rating of 2 watts. This potentiometer is designed for use in various applications where precise voltage control and reliable performance are essential.

The CU-3521 features a carbonyl iron core and a linear taper, ensuring a smooth and consistent resistance change as the potentiometer is adjusted. The fixed wiper design allows for easy connection to the voltage source and the load, making it ideal for voltage dividers and volume control circuits.

This potentiometer boasts a robust construction with a heavy-duty epoxy coating that protects against moisture, dust, and other harsh environmental conditions. Its compact size, measuring 3.2 inches in length and 1.1 inches in width, makes it suitable for use in space-constrained applications.

The Ohmite CU-3521 comes with a 2.5mm diameter, gold-plated shaft, which ensures excellent conductivity and prevents corrosion. The shaft is also supported by a stainless steel nut and washer, providing a secure and stable hold while allowing for easy adjustments.

This linear potentiometer offers a nominal voltage of 100V, and its operating temperature range is from -30 C to 70 C (-22 F to 158 F). It is RoHS and REACH compliant and meets the requirements of UL and CSA standards.

In summary, the Ohmite CU-3521 is a versatile and reliable U-linear potentiometer that offers accurate resistance control and a high power rating. Its robust construction, compact size, and wide temperature range make it an excellent choice for various voltage control and adjustment applications.

The Ohmite CU-3521 potentiometer is a 3.5k ohms, 2 watt, U-linear AB type resistor potentiometer. Here are some pros and cons that may help you make a decision about purchasing this potentiometer:

1. U-linear taper: This type of taper provides a linear relationship between the angle of rotation and the resistance, making it suitable for applications where precise resistance adjustments are required.

2. High power rating: With a power rating of 2 watts, this potentiometer can handle higher power applications without overheating or damaging the component.

3. Wide operating temperature range: The Ohmite CU-3521 potentiometer can operate in temperatures ranging from -20 C to 70 C, making it suitable for use in a variety of environments.

4. Good build quality: Ohmite is known for producing high-quality components, and the CU-3521 potentiometer is no exception. It is constructed with a heavy-duty epoxy coating and a durable shaft, ensuring long-lasting performance.

1. Cost: Compared to lower power or lower resistance potentiometers, the Ohmite CU-3521 potentiometer may be more expensive due to its higher power rating and U-linear taper.

2. Size: With a diameter of 1.2 inches and a length of 3 inches, this potentiometer may be larger than some other options, which could be a consideration for space-constrained applications.

In conclusion, the Ohmite CU-3521 potentiometer offers excellent performance for applications that require precise resistance adjustments and can handle higher power levels. Its wide operating temperature range and durable build quality make it a reliable choice for use in various environments. However, its higher cost and larger size may be drawbacks for some applications. Ultimately, the decision to purchase this potentiometer depends on the specific requirements of your project and your budget. If precise resistance adjustments and high power handling are important factors, the Ohmite CU-3521 potentiometer is a strong contender for your consideration.

Details:

With a single unit quantity, this potentiometer is ideal for controlling the resistance in various electrical equipment and supplies. The Ohmite CU-3521 potentiometer is a 3.5k ohms, 2w type u-linear ab unit designed for electronic components and semiconductors.

specifications passivecompos:

• brand: Ohmite
• mpn: Cu-3521
• part type: Linear
• unit type: Unit
• resistance rating: 3.5k Ohms

general passivecompos:

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

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• transit: 6-12 days
• type: fixed
• service: usps ground advantage
• carrier: usps
• class: standard

offer passivecompos:

• best offers: true
• started: november 8, 2025
• availability: in stock
• in stock #: 5
• sold #: 12
• options: ship-to-home
• prices: $13.99–$19.96
• item condition:
  • New – Open box
  • New

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

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• city: buda, texas
• rating: 100.0%
• # reviews: 6666