Precision Control Components
Wire Wound Servo
Potentiometers
Precision wire wound potentiometers for industrial, instrumentation, servo, and defence applications. Available in servo, ganged, and custom configurations — manufactured at our Pune facility since 1994.
Servo Potentiometers
Servo Potentiometers
Precision wire-wound servo potentiometers for angular position feedback in closed-loop control systems. Available as single-turn and multi-turn configurations with linearity down to ±0.5%. Built to defence and aerospace standards with sealed, vibration-rated housings for critical applications.
Specifications
Standard Servo Potentiometers
Our standard range of servo potentiometers for position feedback in servo systems, robotics, and precision instrumentation.
| Specification | ETC/SE/37 | ETC/SE/50.5 | ETC/SE/64 | ETC/SE/76 |
|---|---|---|---|---|
| A (mm) | 37 | 50.5 | 64 | 76 |
| B (mm) | 20 | 28 | 28 | 28 |
| C (mm) | 25 | 25 | 25 | 25 |
| D (mm) | 6 | 6.35 | 6.35 | 6.35 |
| Resistance Value | 20Ω–10KΩ | 30Ω–50KΩ | 50Ω–68KΩ | 100Ω–100KΩ |
| Tolerance | 5% | 5% | 5% | 5% |
| Linearity (IND) | 2% | 1% | 0.5% | 0.5% |
| Resolution | 0.3%–0.03% | Same | Same | Same |
Need a custom servo potentiometer?
We customise Mechanical Angle (MA) and Electrical Angle (EA) to your exact requirements. Whether you need a non-standard rotation range, a specific dead-band configuration, or matched MA/EA for your servo loop — our engineering team builds to your drawing.
Special executions are available including custom resistance tapers, ganged multi-section assemblies, extended temperature ratings, and ruggedised housings for defence and aerospace.
Standard Potentiometer Range
Standard Potentiometer Range
Standard and ganged wire wound potentiometers — available in single-section and multi-section configurations. All units use precision wire wound elements on ceramic or anodised formers.
| Model | Type | Resistance Range | Power | Linearity | Rotation |
|---|---|---|---|---|---|
| ETC/P/12 | Standard — Wire Wound | 10Ω – 10kΩ | 1W | ±5% | 300° |
| ETC/P/25 | Standard — Wire Wound | 10Ω – 50kΩ | 2W | ±3% | 300° |
| ETC/P/50 | Standard — Wire Wound | 50Ω – 100kΩ | 4W | ±2% | 300° |
| ETC/GP/25 | Ganged — Dual Section | 100Ω – 50kΩ | 2W per section | ±1% | 360° |
| ETC/GP/50 | Ganged — Triple Section | 100Ω – 100kΩ | 3W per section | ±1% | 360° |
Custom Solutions
Custom Potentiometer Solutions
We manufacture potentiometers to your exact requirements. Our engineering team specialises in precision resistance components for demanding applications.
Resistance & Tolerance
Custom resistance values from 20Ω to 100KΩ with precision tolerances down to ±0.01%. Special taper profiles including linear, logarithmic, and custom functions.
Shaft & Mounting
Various shaft types and lengths. Panel mount, PCB mount, servo flange, and custom mounting configurations to suit any enclosure.
Multi-Gang & Multi-Turn
Ganged potentiometers with matched tracking. Multi-turn precision units for fine adjustment in instrumentation and calibration.
Thermal & Environmental
Extended temperature range designs from −55°C to +200°C. Sealed and tropicalised options for harsh and high-humidity environments.
Linearity & Resolution
High-linearity servo potentiometers with independent linearity down to ±0.05%. Ultra-fine resolution depending on resistance value.
Ruggedised & Protected
Shock and vibration rated units with potting and encapsulation. Waterproof configurations for demanding military and industrial applications.