Bourns 3549 Precision Potentiometers
Bourns 3549 Series Precision Potentiometers are available in the Hybritron servo-mount version and are capable of 10 million shaft revolutions with up to 0.25kg of side load. These 3549 dual ball bearing potentiometers offer high rotational life, optional 0.1% linearity, and optional A/R lug. The 10-Turn precision potentiometers feature a standard resistance range from 100Ω to 100KΩ (wirewound) and 1KΩ to 100KΩ (hybritron). These 3549 potentiometers are specifically designed for industrial, medical, and aerospace Machine-to-Machine (M2M) applications.
Features
- Available with dual ball-bearing construction
- Available with dual-gang configuration
- Compatible with wirewound and hybritron elements
- Designed for HMI and MMI usage
- Offers a servo-mount configuration
- Optional anti-rotation lug
- Optional linearity tolerance of 0.1%
- Provides long rotational operating life
- RoHS-compliant design
- Suitable for limited side-load conditions
Applications
- Aerospace (M2M)
- Industrial
- Medical
Technical Specifications
| Parameters | Values | ||
|---|---|---|---|
| Wirewound | Hybritron | ||
| Minimum Insulation Resistance (500Vdc) | 1000MΩ | ||
| Maximum Wiper Current at 5KΩ | 20mA | 10mA | |
| Operating Temperature Range | Dynamic | -40°C to +125°C | |
| Static | -55°C to +125°C | ||
| Standard Resistance Range | 100Ω to 100KΩ | 1KΩ to 100KΩ | |
| Total Resistance Tolerance | ±3% | ±10% | |
