RT100 Vishay Sfernice Wirewound Rheostat/Potentiometer is a Vishay Sfernice product with a power range of 100 W to 70 W, a temperature range of -55 °C to 320 °C, a rated voltage of 850 V and an insulation resistance of 103 MΩ (500 Vcc).
The RT100 is a wirewound rheostat/potentiometer offered by Vishay Sfernice. It features a 300° mechanical travel, operating torque of 4‑20 Ncm, and a power rating of 100 W at 25 °C. Electrical data include an ohmic range of 1 Ω to 15 kΩ with a standard tolerance of ±10 % and a dielectric strength of 1500 V RMS.
The document also lists panel cut‑out dimensions, optional accessories such as a spindle locking device, and ordering information. A legal disclaimer notes that the product is not intended for medical or life‑sustaining applications.
| Power Rating | 100 W at 25 °C |
|---|---|
| Ohmic Range | 1 Ω to 15 kΩ |
| Tolerance | ±10 % |
| Temperature Range | -55 °C to +320 °C |
| Mechanical Travel | 300° ±5° |
| Operating Torque | 4 to 20 Ncm |
| End Stop Torque | 100 Ncm |
| Unit Weight | 400 g |
| Dielectric Strength | 1500 V RMS |
| Insulation Resistance | 10³ MΩ (500 V) |
The RT100 is rated for 100 W at 25 °C.
It can operate from –55 °C up to +320 °C.
Yes, a spindle locking device is supplied as an optional accessory.