Trimpot® Product
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Catalog excerpts

Trimpot® Product - 1

Bourns ® Trimpot® Product Catalog Reliable Electronic Solutions

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More than fifty-seven years ago co-founders Marlan and Rosemary Bourns set up shop in their tiny 384 square-foot garage in Altadena, California. Their idea to provide a method of accurately determining an aircraft's vertical position solved a crucial problem for pilots. The invention of the first miniature linear motion and vane position potentiometers propelled their tiny business into a global corporation, manufacturing a range of products that impact almost every aspect of today's electronics industry. From its earliest days, Bourns established a benchmark for quality, value, and...

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Bourns® Trimpot® Products Commitment to Quality Bourns commitment to quality is embedded in every discipline of the corporation. Customer satisfaction is essential to every Bourns employee. All team members receive training in their specific area of responsibility to ensure the highest level of performance. Technical Support Trained sales representatives, account managers and distributor sales engineers are located conveniently throughout the U.S. and around the world. Our Application Engineers (AEs) are also strategically located to assist with technical support and to provide an interface...

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Fuel Cards Custom Solutions Many of the world’s leading manufacturers have long known Bourns as a company they can trust to deliver quality electronic components on-time and within target costs. At Bourns, we understand that automotive manufacturers need complete solutions, from simple substrates to complete substrate and cable assemblies. To achieve an optimum blend of price and quality, we are structured to be one of the world’s most vertically integrated suppliers. Bourns® Trimpot® Division offers numerous solutions for fuel level sensing requirements. Fuel Level Sender The fuel level in...

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float height gives the appropriate fuel volume signal to the fuel gauge. For this reason, a custom fuel card is generally designed for each fuel tank model. As the fuel card (resistor element) is immersed in fuel, its chemical resistance is of great importance. The introduction of low-sulphur fuels for environmental reasons has placed additional demands on conductor metallurgies. Custom Solutions Feeder resistor Fuel gauge Fuel level sender Figure 5: Typical fuel level indication circuit Fuel Card Resistance Profile 300 Resistance (Ohms) The first fuel senders were wirewound construction....

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Trends in the fuel level sender market Custom Solutions • Increased fuel sender accuracy and resolution requirements due to increased integration of dashboard electronics and driver information systems. K Bourns is currently shipping fuel cards with up to 100 discrete resistance steps. • Increased chemical resistance: The major driver for increased chemical resistance is driven by the introduction of low-sulphur fuels, particularly in the U.S. market. These fuels may contain reactive sulphur compounds, which react with traditional palladium silver conductor inks. K Bourns offers a range of...

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Trimmer Special Offerings Extended and short leads, shaft extensions, specialty knobs, long life resistance elements, tighter tolerances, audio tapers, high temperature plastic for through-hole products, etc. 100 90 80 Percent Voltage Ratio Output Custom Solutions Bourns® Trimpot® Division offers the widest array of trimmers in the industry. Our product offering includes surface mount and through-hole sealed and open frame trimmers. Bourns is also the only trimmer manufacturer which offers military trimmers and product qualified to military drawings. Consult Bourns technical support for...

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Custom Solutions Linear Motion Potentiometer Special Offerings In addition to our standard linear motion potentiometer offering, Bourns® Trimpot® Division offers custom shaft lengths, threads and hard pins. Modular Contact Special Offerings Modular contacts are available with special plating options, adaptors to raise the contact height, lead lengths and forming on through-hole modular contacts. This does not limit the special offering; consult Bourns technical support for more detailed information on the feasibility of a special modular contact. Switch Special Offerings Bourns® Trimpot®...

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RoHS Compliant Selection Guide Cermet/Carbon Models listed below are only available with lead free Cermet Models listed below are only available with tin-lead terminals. Military trimmers are governed by Wirewound Models listed below are only available with lead free terminals. Military trimmers are governed by Cermet Models listed below will be offered in both lead free and tin-lead terminals.Tin-lead terminal part numbers (below left) will not change. Lead free product (below right) requires an LF suffix. Tin-lead part numbers Wirewound Models listed below are only available with lead...

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Note 1: Standard packaging; some options may require alternate packaging. Consult factory. E=7 "Reel, G = 13 "Reel, T = Tubes Note 2: T = Top Adjust, S = Side Adjust, B = Bottom Adjust See page 155 for processing information on lead free surface mount trimmers. Commercial Trimmers Note 1: Standard packaging; some options may require alternate packaging. Consult factory. T = Tubes, B = Bulk, R = Tape and Reel Note 2: T = Top Adjust, S = Side Adjust

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Consumer/ Open Frame Trimmers Note 1: Standard packaging; some options may require alternate packaging. Consult factory. Note 2; T = Top Adjust, S = Side Adjust, B = Bottom Adjust Military Trimmers Note 1: Standard packaging; some options may require alternate packaging. Consult factory. Note 2; T = Top Adjust, S = Side Adjust Application Specific Products Note 1: Standard packaging; some options may require alternate packaging. Consult factory. indicates patented models Note 2; T = Top Adjust, S = Side Adjust

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Optional Products

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Optional Products These optional trimmers are not recommended for new designs. However, a detailed data sheet can be found on the Bourns website.

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