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Bourns 3543S1102L Precision Potentiometer
The Bourns 3543S-1-102L is a precision potentiometer designed for applications demanding high accuracy and reliability. This potentiometer features a bushing mount for secure installation and a gangable design for multi-section control. It boasts a resistance range of 20 to 50K ohms, a total resistance tolerance of ±5%, and independent linearity of ±0.25%. The device is RoHS compliant and operates effectively within a wide temperature range of +1°C to +125°C. Its robust mechanical characteristics, including a stop strength of 53 N-cm and a rotational life of 300,000 shaft revolutions, ensure long-term performance in demanding environments. Ideal for industrial equipment, instrumentation, and automation systems.
Bourns 3543S1102L Precision Potentiometer Specifications:
- Bushing Mount: Yes
- AR Pin Feature: Optional
- Resistance Range: 20 to 50 K ohms
- Total Resistance Tolerance: ±5 %
- Independent Linearity: ±0.25 %
- Effective Electrical Angle: 1080 ° +10 °, -0 °
- Absolute Minimum Resistance: 1 ohm or 0.1 % maximum
- Minimum Voltage: whichever is greater
- Noise: 100 ohms ENR maximum
- Dielectric Withstanding Voltage: 1,000 VAC minimum
- Power Rating: 1 watt (+70 °C)
- Insulation Resistance: 1,000 megohms minimum
- Resolution: See recommended part nos.
- Operating Temperature Range: +1 °C to +125 °C
- Storage Temperature Range: -55 °C to +125 °C
- Temperature Coefficient: ±50 ppm/°C maximum/unit
- Vibration: 15 G
- Wiper Bounce: 0.1 millisecond maximum
- Shock: 50 G
- Load Life: 1,000 hours, 1 watt
- Total Resistance Shift (Load Life): ±2 % maximum
- Rotational Life: 300,000 shaft revolutions
- Total Resistance Shift (Rotational Life): ±5 % maximum
- Moisture Resistance: ±2 % maximum
- IP Rating: IP 40
- Stop Strength: 53 N-cm (75 oz.-in.) min.
- Mechanical Angle: 1080 ° +10 °, -0 °
- Torque: 0.35 N-cm (0.5 oz.-in.) max.
- Shaft Runout: 0.08 mm (0.003 in.) T.I.R.
- Lateral Runout: 0.13 mm (0.005 in.) T.I.R.
- Shaft End Play: 0.25 mm (0.010 in.) T.I.R.
- Shaft Radial Play: 0.08 mm (0.003 in.) T.I.R.
- Pilot Diameter Runout: 0.08 mm (0.003 in.) T.I.R.
- Backlash: 1.0 ° maximum
- Weight: Approximately 21 gm
- Terminals: Gold-plated solder lugs
- Soldering Condition (Manual): 96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire; 370 °C (700 °F) max. for 3 seconds
- Soldering Condition (Wave): 96.5Sn/3.0Ag/0.5Cu solder with no-clean flux; 260 °C (500 °F) max. for 5 seconds
- Marking: Manufacturer’s name and part number, resistance value and tolerance, linearity tolerance, wiring diagram, and date code
- Ganging: 2 cups maximum
- Hardware: One lockwasher (H-37-2) and one mounting nut (H-38-2)
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Frequently Asked Questions
Where can I buy Bourns 3543S1102L?
You can click on the BUY or RFQ button to purchase 3543S1102L from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 3543S1102L?
You can download the 3543S1102L datasheet or visit the Bourns website for support.
Who is the manufacturer of 3543S1102L?
Bourns