This Product Selection Guide contains information to help select products in the Value Display Potentiometers category on DigiKey.com
Value Display Potentiometers are a variable device that opposes the flow of current. The resistance of these devices is changed by pushing a button or rotating a wheel. The values that the device is being changed to is displayed on the front of the unit. The resistance ranges from 500 Ohms to 1 MOhms with the power being 1.5W or 2W and an adjustment type of push button or rotary with the number of characters 1, 2, 3, 4, or 10.
SelectionCharacteristics
Resistance: Characterizes the nominal resistance of a current path through a device.
Power (Watts): Identifies the amount of heat that can be continuously dissipated by the resistive element without damaging the device. Measured in Watts (W) and typically based on the size of the device.
Tolerance: Characterizes the extent of permitted variability of overall device resistance among samples of a given part number, resulting from variations in manufacturing.
Adjustment Type: Identifies the form of the actuator.
Number of Characters: The number of characters for the display.
Size/Dimension: The physical dimensions of the device. Typically length, width, and height.
Termination Style: Selection of termination style used to connect the device to a system, such as solder lugs.
ProductExamples
| MFR PART # | 3683S-1-104L |
|---|---|
| DIGIKEY PART # | 3683S-1-104L-ND |
| MANUFACTURER | Bourns Inc. |
| DESCRIPTION | VALUE DISPLAY POT 100K 2W PNL MT |
| DATASHEET | Click Here |
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Overview of Potentiometers and Their Practical Applications