This document introduces the features and characteristics of the 3680 series precision potentiometers, including repeatable settings, resolution up to 0.001%, digital display for excellent readability, snap-in panel mount, etc.
The 3680 Family precision potentiometers offer repeatable settings, high resolution (down to 0.001 %), and a digital display for easy readability. Electrical characteristics include a resistance range from 10 Ω to 1 MΩ, ±3 % tolerance, and a power rating of 2 W at +25 °C.
Mechanical features comprise compact panel‑mount dimensions, 2.79 mm wide terminals, and an actuating force of 19‑29 oz. The devices operate from –25 °C to +85 °C, have an IP40 rating, and are RoHS compliant. Detailed resistance tables and part numbers are provided for each model variant.
| Standard Resistance Range | 10 Ω to 1 MΩ |
|---|---|
| Resolution (3685 model) | 0.001 % |
| Power Rating at +25 °C | 2 W |
| Insulation Resistance (500 VDC) | ≥1 000 MΩ |
| Operating Temperature Range | -25 °C to +85 °C |
| Actuating Force | 19‑29 oz |
| Rotational Life | 75 000 button operations per decade |
The 3685 model provides a resolution of 0.001 %.
It operates from –25 °C up to +85 °C.
The devices are rated for 75 000 button operations per decade.