This document introduces the WS-1/1A/B/C series potentiometers of Shanghai Ames Electrical Co., Ltd., mainly introducing the product characteristics, including electrical characteristics, environmental characteristics, mechanical characteristics, etc.
The Sharma WS carbon composition potentiometer is a hot‑molded, industrial‑grade component available with standard or locking bushing options. It meets MIL‑R‑94 requirements and offers a range of resistance values from 100 Ω to 4 MΩ.
Key characteristics include a 0.5 W linear taper power rating, temperature operation from –55 °C to +125 °C, vibration resistance of 15 G, and a mechanical travel of at least 270°. Ordering options cover shaft style, taper type, and bushing style.
| Standard Resistance Range | 100 Ω to 4 MΩ |
|---|---|
| Insulation Resistance (100 VDC) | 1 000 MΩ minimum |
| Power Rating | 0.5 W (linear), 0.25 W (log/anti‑log) |
| Temperature Range | -55 °C to +125 °C |
| Rotational Life (Standard Bushing) | 10 000 cycles |
| Total Mechanical Angle | 270° minimum |
| Starting Torque | 0.8 to 5 N·cm |
The WS potentiometer is rated at 0.5 W for linear taper and 0.25 W for log and anti‑log tapers.
It operates from –55 °C up to +125 °C.
The potentiometer provides a minimum mechanical travel of 270°.