CU-7542 OHMITE Potentiometer Meg Ab Linear

Review OHMITE Potentiometer 0.75 Meg 2w Type Ab U-linear

The Ohmite CU-7542 is a high-performance, 0.75 megohm, 2 watt, U-linear potentiometer. This potentiometer is designed for use in various applications where precise voltage control is required.

The U-linear taper of this potentiometer ensures that the resistance changes uniformly with respect to the angle of rotation. This makes it an ideal choice for applications such as volume control in audio systems, where a consistent and predictable resistance change is essential for maintaining a stable and high-quality output.

The CU-7542 is constructed using a high-quality, carbon composition resistive element. Carbon composition resistive elements offer several advantages over other types of resistive elements, such as metal film or wirewound. They exhibit low temperature coefficients, meaning that their resistance values remain relatively stable over a wide temperature range. Additionally, carbon composition resistive elements have high power handling capabilities, making them suitable for use in high power applications.

This potentiometer is rated for a maximum power dissipation of 2 watts, making it suitable for use in applications where relatively high power levels are expected. It has a maximum voltage rating of 500 volts, and can be used in circuits with voltages up to this value.

The CU-7542 has a rotary shaft with a diameter of 6.4 mm and a length of 36 mm. The shaft is supported by a bushing and a bearing, ensuring smooth and reliable operation. The potentiometer also features a high-quality, wiring terminals with a 3.5 mm pitch, which can be easily connected to wires or terminals using standard crimp connectors or soldered connections.

The Ohmite CU-7542 is a high-quality, reliable, and versatile potentiometer that offers excellent performance and precise control in a variety of applications. Its U-linear taper, high power handling capabilities, and wide temperature range make it an ideal choice for use in audio systems, power supplies, and other applications where precise voltage control is essential.

The Ohmite CU-7542 potentiometer is a 0.75 Megohm, 2Watt, U-linear resistance potentiometer. U-linear potentiometers are known for their linear taper, which means that the resistance change is directly proportional to the rotation angle. Here are some pros and cons of buying this specific potentiometer:

1. U-linear taper: This type of potentiometer is suitable for applications that require precise voltage control or attenuation, as the resistance change is consistent throughout the rotation.

2. 0.75 Megohm resistance: This high resistance value makes this potentiometer suitable for high voltage applications.

3. 2Watt power rating: This potentiometer can handle a reasonable amount of power, making it suitable for various electronic projects.

1. Size: The CU-7542 potentiometer has a relatively large size, which may not be ideal for compact projects or applications where space is a concern.

2. Cost: This potentiometer may be more expensive compared to lower resistance or smaller potentiometers.

3. Manual adjustment: The potentiometer requires manual adjustment, which may not be suitable for applications where automatic adjustments are preferred.

In conclusion, the Ohmite CU-7542 potentiometer is a suitable option for electronic projects that require precise voltage control or attenuation, can accommodate the potentiometer's size, and have the budget for it. Its high resistance value and 2Watt power rating make it suitable for various applications, including high voltage projects. However, its relatively large size and cost may be a concern for some users.

If you are looking for a smaller, lower cost potentiometer with a similar resistance value, you may consider alternative options. However, keep in mind that the linear taper and high power rating of the CU-7542 potentiometer may make it a better fit for certain applications. Ultimately, the decision depends on the specific requirements of your project.

Details:

The Ohmite CU-7542 potentiometer is a high-quality electronic component with resistance rating of 750 k and power 2w. Perfect for businesses and industrial settings, this potentiometer offers consistent precise performance your electrical needs. With the trusted Ohmite brand behind it, this unit is reliable and durable for use in electronic equipment supplies. This u-linear type potentiometer is designed for precise control of electrical resistance in various applications.

specifications passivecompos:

• brand: Ohmite
• mpn: Cu-7542
• part type: Linear
• unit type: Unit
• resistance rating: 750 K

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

general passivecompos:

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

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

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offer passivecompos:

• sold #: 12
• best offers: true
• started: november 9, 2025
• in stock #: 5
• availability: in stock
• prices: $13.80–$63.00
• item condition:
  • New – Open box
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• options: ship-to-home