Adjustability - Design for the lowest value— for a more precise resistance adjustment. Temperature coefficient - The resistance change factor per degree Celsius of temperature change— a lower value means a more stable trimmer operation.
Load life - The number of hours at which the device will dissipate a specified level of rated power under operating conditions within a noted variation. Resistance tolerance - In addition to selecting the resistance value, consider selecting a trimmer with a tighter tolerance, which may require a higher-performing trimmer to match the requirements of certain applications, which place a high priority on accuracy. Type the code from the image.
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You can learn more about how we use cookies by visiting our Privacy Policy. This link will direct you to a web page outside the Bourns app. Do you wish to proceed? Yes No. My Bourns Contact Us Careers. Cutaway view of a trimmer Q: Can you explain, in more detail, what a trimmer does? Typical applications for trimmers Frequently Used Terminology Absolute minimum resistance - Resistance between the wiper terminal at center and each end terminal—to provide a minimum value.
Quick survey. Bourns Web Survey Please answer as many questions as you can with 1 being unfavorable and 5 most favorable. How easy was it to find what you were looking for on our website? How satisfied are you with the content? They cost more than using set resistors, they take up space and time to adjust during manufacturing if you use them in a professional product, but for the times when using one is a must using the right one in the right way can be important.
Below is a small overview of the most commonly used types of Trimmer Potentiometers. The type is the horizontal version and the is vertical. The original manufacturer seems to be Runtron. There seems to be a more sturdy version made by Bourns called the F that uses more metal. Pros : Cheap, easy to find, small ish footprint about 6mm long , available as cheap chinese knockoffs or genuine parts. Cons : Semi open frame makes them susceptible to dust and dirt ingress, not super reliable, unsealed.
RM06 5P F. A great option to use if you need a sealed, single turn, through hole trim pot. The series are cheap, widely available and very reliable. The datasheet for the can be found here. Trimmer or trimpots. The trimmers, or trimpots, work in exactly the same way as the potentiometers.
Unlike the potentiometers, the trimpots are intended to be set to a constant value. We give you an appointment to the blog next month for a deepening on the capacitors. Polyester Mylar Film Capacitor 0.
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