The 3M 3266 series 1/4" square trimming potentiometer is a multiturn, cermet, sealed device designed for industrial applications. It features standoffs for thorough PCB washing, tape‑and‑reel packaging, and is available in RoHS‑compliant versions.
Key specifications include a resistance range of 10 Ω to 1 MΩ, ±10 % tolerance, 0.25 W power rating at 70 °C, and an operating temperature range from –55 °C to +150 °C. Mechanical details such as a 4.50 mm typical body height and a torque limit of 3.0 oz‑in are also provided.
| Standard Resistance Range | 10 Ω to 1 MΩ |
|---|---|
| Resistance Tolerance | ±10 % |
| Power Rating (70 °C) | 0.25 W |
| Temperature Range | -55 °C to +150 °C |
| Insulation Resistance | 500 VDC, 1 000 MΩ min |
| Dielectric Strength (Sea Level) | 600 VAC |
| Typical Body Height | 4.50 mm ±0.38 mm |
It covers from 10 Ω up to 1 MΩ.
Yes, a RoHS‑compliant version is available.
The effective travel is 12 turns nominal.
The device can dissipate 0.25 W at 70 °C.