3852C-122-501A BOURNS Panel Mount Cermet Potentiometer

Review BOURNS Panel Mount Cermet Potentiometer 500 2w

The Bourns 3852C-122-501A panel mount cermet potentiometer is a versatile and reliable solution for adjusting voltage or current in various electronic applications. This component is characterized by its robust construction and excellent stability, making it an ideal choice for industrial, automotive, and military environments.

The potentiometer features a cermet (ceramic and metal composite) resistive element that ensures high precision and stability over a wide temperature range. With a resistance value of 500 ohms and a maximum power rating of 2 watts, it is suitable for applications that require moderate power handling capabilities.

The 3852C-122-501A is a linear, single-pole, single-throw (LPST) type potentiometer, which means it has a simple wiring configuration. The shaft is supported by a stainless steel bush and features a knob for easy adjustment. The potentiometer comes with a detented, linear taper that provides 11 distinct detents, enabling precise and repetitive adjustments.

The panel mount design of this potentiometer allows for easy installation and integration into various control panels. It has a mounting hole diameter of 0.315 inches (8.00 mm) and can be mounted using screws (not included). The body is made of a durable, non-magnetic material, ensuring reliable performance even in harsh environments.

The Bourns 3852C-122-501A potentiometer offers a nominal voltage rating of 100V and a maximum operating temperature of 85 C. It is RoHS compliant and comes with a 1-year warranty from the manufacturer. This component is an excellent choice for applications that require high precision, stability, and durability, such as power control, instrumentation, and process control systems.

The Bourns 3852C-122-501A panel mount cermet potentiometer is a commonly used adjustable resistor with a power rating of 500 watts. Here are some pros and cons that may help you make an informed decision about purchasing this potentiometer:

1. High Power Rating: With a power rating of 500 watts, this potentiometer can handle relatively high currents and power levels, making it suitable for various industrial and heavy-duty applications.

2. Ceramic Construction: The ceramic composition of this potentiometer provides excellent stability and temperature coefficient, ensuring consistent resistance values over a wide temperature range.

3. Panel Mount Design: The panel mount design allows for easy installation and adjustment of the potentiometer, making it ideal for applications where a user-friendly interface is essential.

4. Wide Operating Temperature Range: The potentiometer can operate in temperatures ranging from -40 C to 155 C, making it suitable for use in a variety of environments.

5. Low TCR (Temperature Coefficient of Resistance): The low TCR value of this potentiometer ensures minimal changes in resistance with temperature fluctuations, leading to more accurate and stable readings.

1. Size and Weight: The 3852C-122-501A potentiometer has a relatively large size (8.1 inches long and 3.1 inches wide) and a significant weight (approximately 2.5 pounds), which may require additional mounting space and structural support.

2. Cost: Compared to smaller, lower-power potentiometers, the 500-watt version is more expensive due to its larger size, higher power rating, and specialized ceramic composition.

3. Limited Linear Travel: The linear travel of this potentiometer (approximately 1 inch) may be insufficient for applications requiring longer adjustment ranges.

In conclusion, the Bourns 3852C-122-501A panel mount cermet potentiometer offers several advantages, such as its high power rating, ceramic construction, panel mount design, wide operating temperature range, and low TCR. However, it also has some drawbacks, including its large size, significant weight, and cost.

If you require a high-power, stable, and accurate potentiometer for industrial or heavy-duty applications, this potentiometer may be an excellent choice. However, if you have limited space or budget constraints, you might consider alternative options with lower power ratings and smaller sizes. Ultimately, the decision to purchase the 3852C-122-501A potentiometer depends on your specific application requirements and budget.

Details:

This product comes in a unit quantity of 10, making it ideal for various industrial and electronic applications. The Bourns 3852C-122-501A is a high-quality panel mount cermet potentiometer with resistance rating of 500. With the trusted Bourns brand name, this potentiometer ensures precise and reliable performance in a range of electrical equipment supplies.

specifications passivecompos:

• brand: Bourns
• mpn: 3852c-122-501a
• part type: Panel Mount
• unit type: Unit
• resistance rating: 500
• unit quantity: 10

shipping passivecompos:

• type: fixed
• service: usps ground advantage
• carrier: usps
• class: standard
• transit: 5-11 days

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seller passivecompos:

• rating: 100.0%
• city: austin, texas
• # reviews: 6942

general passivecompos:

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

returns passivecompos:

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

offer passivecompos:

• best offers: true
• in stock #: 2
• options: ship-to-home
• started: january 30, 2026
• price: $25.00
• item condition:
  • New – Open box
  • New
• sold #: 17
• availability: in stock