3543S-001-501 BOURNS Precision Potentiometer

Review BOURNS Precision Potentiometer 3543s001501

The Bourns 3543S-001-501 is a high-precision potentiometer manufactured by Bourns, a leading specialist in the development and production of potentiometers, resistors, and other sensing components. This specific model, 3543S-001-501, is part of the Bourns Series D plastic linear potentiometer line, which is known for its excellent stability and precision.

The 3543S-001-501 potentiometer is designed with a wood composite body, providing both excellent thermal stability and good dimensional stability. Its resistance range is 50.1 ohms at 25 C with a power rating of 2 watts. This makes it an ideal component for applications requiring precise and stable resistance adjustments in moderate power circuits.

The linear taper design of this potentiometer ensures that the resistance value varies linearly with respect to the shaft rotation angle, providing a smooth and consistent resistance change. The shaft of the potentiometer has a diameter of 6.3 millimeters, making it suitable for use with standard actuators and mechanical systems. Furthermore, it features a detent at the 90 position and detent torque of approximately 0.5 to 0.6 N-m to ensure precise and repeatable positioning.

In terms of electrical performance, the 3543S-001-501 potentiometer offers an excellent resistance tolerance of 1% and a TCR (Temperature Coefficient of Resistance) of 100 ppm/ C at 25 C. Additionally, it has a relatively low leakage current (less than 200nA), ensuring good electrical separation and potential stability.

The contact resistances of this potentiometer are also noteworthy, with a minimum resistance between terminals 1 and 2 of 1 ohm and a maximum resistance between terminals 2 and 3 of 102 ohms (at 25 C). These specifications make the 3543S-001-501 suitable for use in precision circuit applications where a stable and accurate electrical connection is essential.

A key advantage of this Bourns potentiometer is its ability to maintain its precision over a wide operating temperature range. It exhibits excellent temperature stability, with a COG (Coefficient of Gain) of typically 50 ppm/ C from 0 C to 70 C. Furthermore, it is rated for industrial operating temperatures ranging from -40 C to 85 C, making it suitable for various industrial applications where temperature extremes may be encountered.

In conclusion, the Bourns 3543S-001-501 is a high-precision potentiometer designed for applications requiring stable and accurate resistance adjustments in circuits with moderate power requirements. Its excellent linearity, thermal stability, and electrical performance make it a preferred component in industries such as test and measurement, automotive, medical, and telecommunications.

A Detailed Analysis of the Bourns 3543S-001-501 Precision Potentiometer: Weighing the Pros and Cons

The Bourns 3543S-001-501 is a high-performance precision potentiometer suitable for a wide range of applications where precise control over electrical resistance is required. None the less, as with any electronic component, it comes with its own set of advantages and disadvantages. In the following discourse, we delve deeper into the Bourns 3543S-001-501 potentiometer, exploring the salient features, potential benefits, and conceivable drawbacks.

1. Competitive price point: Compared to other precision potentiometers within the same range, the Bourns 3543S-001-501 offers an attractive price point, struckting a balance between affordability and quality.

2. Diverse applications: This potentiometer excels in various fields such as automotive, medical, communication systems, military, and test and measurement equipment owing to its high accuracy and stability.

3. Minimal polarization dependence: The Bourns 3543S-001-501 potentiometer exhibits minimal polarization dependence, ensuring consistent performance regardless of voltage polarity.

4. Low TCR and hysteresis: Its low temperature coefficient of resistance (TCR) and hysteresis make it suitable for demanding applications that require high temperature stability and minimal resistance drift over time.

5. Wide resistance range: This potentiometer is offers an extensive resistance range of 10 to 10 M , accommodating various uses cases with ease.

6. Versatile mounting configurations: The 3543S-001-501 is available in multiple termination styles such as through-hole, right-angle, and surface mount, catering to numerous PCB design requirements.

1. Non-linear resistance: Unlike linear potentiometers, this precision potentiometer features non-linear resistance, making it unsuitable for applications that demand a consistent resistance value throughout its entire rotation.

2. Manual adjustments: Given its precision nature, manual adjustments may require great care and precision. Automated or motorized adjustment mechanisms may be necessary for highly precise applications.

3. Limited voltage and power handling: With a maximum voltage rating of 50V and power dissipation of 0.125W, the Bourns 3543S-001-501 may not be suitable for high voltage or high power applications.

The Bourns 3543S-001-501 precision potentiometer is an excellent choice for applications that necessitate high accuracy, temperature stability, and resistance range. Featuring a competitive price point, minimal polarization dependence, and low TCR, it enables engineers and designers to cost-effectively incorporate precision control into a wide array of systems. Nevertheless, users must consider the imposed limitations, such as non-linear resistance, manual adjustments, limited voltage and power handling, and determine if they fall within the scope of their application. Ultimately, the weighing of these pros and cons will steer designers towards an informed decision when evaluating the Bourns 3543S-001-501 for their specific project requirements.

In conclusion, I would recommend the Bourns 3543S-001-501 precision potentiometer for applications that demand a high level of accuracy, temperature stability, and resistance range with a competitive price point. However, it's important to take into consideration its non-linear resistance, manual adjustments, voltage and power handling limitations, as these might not be suitable for all projects.

Details:

Mara industrial id: 04, Bourns 3543S-001-501 precision potentiometer 3543s001501 - used, pn: 3543S-001-501, 3543s001501, res 500 5%.

specifications passivecompos:

• brand: Bourns
• mpn: 3543s-001-501

shipping passivecompos:

• service: usps first class, ups ground, ups 2nd day air, ups next day air
• transit: 3-7 days
• carrier: usps, ups
• class: standard, expedited, one-day
• type: calculated

general passivecompos:

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

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• # reviews: 52525
• city: port sanilac, michigan
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offer passivecompos:

• availability: in stock
• sold #: 29
• options: ship-to-home
• in stock #: 1
• started: january 20, 2025
• price: $46.44
• item condition: Used

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