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Bourns 3549S1AC103B 10-Turn Precision Potentiometer
The Bourns 3549S-1AC-103B is a high-precision 10-turn potentiometer designed for demanding applications such as human-machine interfaces (HMI) and machine-machine interfaces (MMI). It utilizes wirewound and Hybritron elements to achieve exceptional rotational life and accuracy. Key features include optional linearity adjustments, servo mount options, and dual ball bearing configurations for enhanced durability. The potentiometer is RoHS compliant and engineered to withstand some side load conditions, making it suitable for a wide range of industrial and commercial applications. Its robust mechanical design and electrical characteristics ensure reliable performance in challenging environments.
Bourns 3549S1AC103B 10-Turn Precision Potentiometer Specifications:
- Wirewound Element: Standard Resistance Range: 100 to 100K ohms
- Hybrtiron Element: Standard Resistance Range: 1K to 100K ohms
- Total Resistance Tolerance: ±3 %
- Independent Linearity: ±0.2 %
- Independent Linearity (Maximum Practical): ±0.1 %
- Effective Electrical Angle: 3600 ° +10 °, -0 °
- Absolute Minimum Resistance/End Voltage: 1 ohm or 0.1 % maximum
- Noise/Output Smoothness: 100 ohms maximum
- Max. Wiper Current @ 5K ohms: 20 mA
- Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level: 1,000 VAC minimum
- Insulation Resistance (500 VDC): 1,000 megohms minimum
- Resolution: See How to Order chart
- Power Rating (+70 °C): 2 watts
- Power Rating (+125 °C): 0 watt
- Operating Temperature Range Dynamic: -40 °C to +125 °C
- Operating Temperature Range Static: -55 °C to +125 °C
- Temperature Coefficient: ±50 ppm/°C
- Temperature Cycling: ±2 % TR shift max.
- Vibration (15 Gs, 10 Hz to 2 kHz) Wiper Bounce: 0.1 ms max.
- Shock (100 Gs, 6 ms sawtooth) Wiper Bounce: 0.1 ms max.
- Load Life (1,000 hours @ 70 °C): ±2 % TR shift
- Rotational Life No Load or Powered: 2,000,000 shaft revolutions
- Rotational Life (Dual Ball Bearing): 10,000,000 shaft revolutions
- Moisture Resistance: ±2 % TR shift max.
- IP Rating: IP 50
- Mechanical Angle: 3600 ° +10 °, -0 °
- Backlash: 1.0 ° max.
- Stop Strength: 53 N-cm (75 oz-in.) min.
- Torque Starting: 0.5 N-cm (0.7 oz.-in.) max.
- Torque Running: 0.5 N-cm (0.7 oz.-in.) max.
- Clutch: 1.0 to 4.2 N-cm (1.5 to 6.0 oz.-in.)
- Mounting: 170-200 N-cm (15-18 in.-lb.) max.
- Shaft Runout T.I.R.: 0.08 mm (0.003 in.)
- Lateral Runout T.I.R.: 0.13 mm (0.005 in.)
- Shaft End Play T.I.R.: 0.15 mm (0.006 in.)
- Shaft Radial Play T.I.R.: 0.08 mm (0.003 in.)
- Pilot Diameter Runout T.I.R.: 0.08 mm (0.003 in.)
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Frequently Asked Questions
Where can I buy Bourns 3549S1AC103B?
You can click on the BUY or RFQ button to purchase 3549S1AC103B from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 3549S1AC103B?
You can download the 3549S1AC103B datasheet or visit the Bourns website for support.
Who is the manufacturer of 3549S1AC103B?
Bourns