Specifications for the 89-type multiturn potentiometer, including resistance range, voltage, current, power, resistance, resistance variation, environmental temperature, mechanical, etc.
This document provides technical data for the Bi Technologies Model 89, a 3/4-inch rectangular multiturn cermet trimming potentiometer. It covers standard resistance ranges from 10 to 2 Megohms with tolerances of +10% (or +20% below 100 Ohms), an input voltage maximum of 200 Vdc/rms, and a power rating of 0.75 Watts at 85°C.
| Resistance Range | 10 to 2Meg Ohms |
|---|---|
| Resistance Tolerance | +10% (<100 Ohms = +20%) |
| Input Voltage Maximum | 200 Vdc or rms |
| Slider Current Maximum | 100mA |
| Power Rating | 0.75 Watts at 85°C |
| Operating Temperature Range | -55°C to +125°C |
| Dielectric Strength | 1,000 Vrms |
| Insulation Resistance Minimum | 1,000 Megohms |
The power rating is 0.75 Watts at 85°C, derating to 0 at 125°C.
The nominal actual electrical travel is 20 turns.