Bourns 3540S-1-103 Precision Wirewound 10-Turn Potentiometer
Condition: Used
Dimensions: 6.00 x 4.00 x 4.00 inches (L x W x H)
Weight: 0.90 Lbs.
The Bourns 3540S-1-103 is a high-precision, multi-turn wirewound potentiometer designed for industrial control, calibration, and instrumentation applications. It offers superior resolution, excellent linearity, and long operational life, ideal for fine-tuning and adjustment circuits in sensitive electronic systems.
Technical Specifications:
Manufacturer: Bourns, Inc.
Model Number: 3540S-1-103
Product Type: Precision Multi-Turn Wirewound Potentiometer
Resistance Value: 10 kΩ (10,000 ohms)
Tolerance: ±5%
Power Rating: 2 Watts at 70°C
Temperature Coefficient: ±20 ppm/°C
Adjustment Type: 10-turn precision screw adjustment
Electrical Travel: 3600° ±2° (10 turns)
Mechanical Travel: 3600° ±10° (10 turns)
Linearity: ±0.25% independent linearity typical
End Resistance: 1 Ω maximum or 0.1% of total resistance (whichever is greater)
Wiper Resistance: 1 Ω maximum
Operating Voltage: 500V maximum
Dielectric Strength: 900V RMS between terminals and case
Shaft Type: Slotted, ¼-inch (6.35 mm) round shaft
Bushing Mount: ⅜-inch × 32 UNEF threaded bushing for secure panel mounting
Rotation Torque: 3.5 to 35 mN·m typical
Temperature Range: -55°C to +125°C (-67°F to +257°F)
Housing Material: Conductive plastic body with metal mounting hardware
Terminals: Solder lugs or wire leads (as shown)
Expected Life: 1,000,000 shaft revolutions minimum
Applications: Precision calibration, servo systems, instrumentation controls, test equipment, and analog interfaces
Compliance Standards: MIL-PRF-39035, RoHS Compliant
Manufacture Country: USA Please review pictures carefully and let us know if you have any questions!