Is trimpot same as potentiometer?
Resistor trimmers generally come in the form of a potentiometer (pot), often called a trimpot. Potentiometers have three terminals, but can be used as a normal two-terminal resistor by joining the wiper to one of the other terminals, or just using two terminals.
What is the use of trimpot?
Trim Pots: Adjust, Tune, and Calibrate Circuits A trimmer potentiometer, also known as a trim pot, is a type of variable resistor or adjustable potentiometer that can adjust, tune, and calibrate circuits. These trimmer resistors are often used to initially calibrate equipment after manufacturing.
What is multiturn trimpot?
Multi-turn trimmers allow for fine-tuning and provide a faster setting-to-time ratio than single-turn trimmers. Customers choose Bourns for our 70-year history of trimming potentiometer technology innovation and broad range of physical configurations; rugged enough to withstand today’s manufacturing environments.
What do the numbers on a potentiometer mean?
Potentiometer values are often marked with a readable string indicating the total resistance, such as “100k” for a 100 kΩ potentiometer. Sometimes a 3 digit coding system similar to SMD resistor coding is used. In this system the first digits indicate the value and the last digit indicates the multiplier.
What is a multiturn potentiometer?
Precision potentiometers are designed for control applications where accuracy and high-reliability is important. These devices are available in conductive plastic, wirewound or Hybritron® element types, and in various sizes. Both single-turn and multiturn models are available.
How do you decode a potentiometer?
Read EIA code The first 3 digits on a pot are the manufacturer code. The last 3 or 4 digits are the date code. With 3 digits, the first digit is the last digit of the year, and the last digit is the week number. With 4 digits, the first 2 digits are the last 2 digits of the year.
How do I know what size potentiometer I need?
In general, you want the potentiometer to be as small as possible without putting too much of a load on the source. A quick rule of thumb for selecting the resistance of a potentiometer is that you want the input impedance to be an order of magnitude (10 times) higher than the output (source) impedance.