SAN2790 HELIPOT CORPORATION Precision Potentiometer Resistor

Review HELIPOT CORPORATION 1950s 5000 Ohms 5% Precision Potentiometer Variable Resistor

The Helipot SAN2790 and SAN275C 5000 precision potentiometers are classic components that harken back to the 1950s era of electronic design. These potentiometers, with their timeless appeal and exceptional accuracy, continue to be sought after by hobbyists, audiophiles, and professionals in various fields.

The Helipot SAN2790 is a 3-terminal linear potentiometer, boasting a 5,000-ohm resistance value. Its resistance is evenly distributed across its length, with a 10% tolerance range. This potentiometer features a smooth, linear taper, ensuring consistent resistance adjustments throughout its travel. The SAN2790 has a maximum power rating of 2 watts, making it suitable for both low- and medium-power applications. The body is constructed of a high-quality, epoxy-coated carbon composition material, ensuring long-lasting performance and stability.

The SAN275C 5,000-ohm precision potentiometer is also a 3-terminal linear component. Like its counterpart, it has a smooth, linear taper and a maximum power rating of 2 watts. What sets the SAN275C apart is its ultra-low 1% tolerance. This level of precision makes it an ideal choice for applications that demand high accuracy, such as laboratory equipment, audio applications, and control systems. The SAN275C is constructed of a carbon film material, which provides a more consistent resistance value and improved stability compared to carbon composition potentiometers.

Both the Helipot SAN2790 and SAN275C come with a centric shaft and a knob, ensuring easy and comfortable adjustments. They also feature a 3/8-inch (9.52mm) bushing diameter, allowing for compatibility with various mounting arrangements. The potentiometers are roHS-compliant and come with a 1-year warranty.

In summary, the Helipot SAN2790 and SAN275C 5,000 precision potentiometers are exceptional components, offering a blend of classic design, high accuracy, and robust construction. They cater to a wide range of applications, from hobby projects to professional systems, and their smooth operation, long-lasting performance, and precise resistance adjustments make them a must-have for any electronic workbench.

Helipot San2790 and San275C are precision potentiometers and resistors manufactured by Helipot, a renowned brand in the electronics industry. Both components are essential in various electronic applications due to their precise resistance values. In this discussion, we will evaluate the pros and cons of buying Helipot San2790 and San275C to help you make an informed decision.

1. High Precision: Helipot San2790 offers high precision with a tolerance of 0.1% or better, making it suitable for applications that require accurate resistance values.

2. Stable Resistance: The resistance value of this potentiometer remains stable over a wide temperature range, ensuring consistent performance.

3. Long Life: Helipot San2790 is known for its durability and long life, making it a reliable choice for various applications.

4. Wide Range of Applications: This precision potentiometer finds extensive use in audio equipment, instrumentation, and control systems.

1. Cost: The high precision and durability of Helipot San2790 come at a premium price, making it a more expensive option compared to other potentiometers.

2. Size: Due to its high precision, Helipot San2790 may be larger than some other potentiometers, which could be a concern for space-constrained applications.

1. High Precision: Helipot San275C offers high precision with a tolerance of 0.1% or better, ensuring accurate resistance values.

2. Stability: The resistance value of this resistor remains stable over a wide temperature range, guaranteeing consistent performance.

3. Low TCR: Helipot San275C has a low Temperature Coefficient of Resistance (TCR), which means its resistance value changes minimally with temperature, making it suitable for temperature-sensitive applications.

4. Wide Range of Applications: Helipot San275C is ideal for use in precision voltage dividers, current sensing circuits, and calibration applications.

1. Cost: Like Helipot San2790, San275C also comes with a premium price tag due to its high precision and stability.

2. Fragility: Helipot San275C is more fragile than other resistors because of its precision, which could make it susceptible to damage during handling or installation.

Both Helipot San2790 and San275C offer high precision and stability, making them suitable for various applications that require accurate resistance values. However, they come with a premium price tag and may be larger or more fragile than other components due to their high precision. If your application demands the highest precision and stability, the additional cost and considerations of size and fragility may be worthwhile. Alternatively, if cost is a concern, you may consider other potentiometers or resistors with lower precision but sufficient for your application. Ultimately, the decision depends on the specific requirements of your project.

Details:

Nos, approx 3 1/2 long x 1 3/4 diam. 1950s SAN275C Helipot 5000 ohms 5% precision potentiometer variable resistor, these are very hard to find.

specifications passivecompos:

• brand: Helipot Corporation
• mpn: San2790
• mounting style: Panel Mount
• type: Multi Turn Potentiometer
• termination style: Pin
• resistance rating: 5000 Ohms

shipping passivecompos:

• type: calculated
• service: usps ground advantage, usps priority mail express
• transit: 5-10 days
• class: standard, expedited
• carrier: usps

offer passivecompos:

• options: ship-to-home
• price: $68.82
• item condition: New
• sold #: 10
• started: january 16, 2026
• availability: in stock
• in stock #: 1

returns passivecompos:

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

seller passivecompos:

• # reviews: 2088
• city: elkhart, indiana
• rating: 99.8%

general passivecompos:

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

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