Overview
The Bourns 3400S-1-501 is a precision wirewound potentiometer offering 500 ohm track resistance with excellent linearity and repeatability. Part of the proven 3400S series, this 500 ohm potentiometer delivers stable performance across demanding industrial environments with ±3% resistance tolerance and ±20 ppm/°C temperature stability.
Key Features
- Wirewound construction for stable, noise-free operation (100 ohms ENR maximum)
- 10-turn potentiometer with 1800° total rotation for fine adjustment and repeatability
- ±3% tolerance and ±0.15% independent linearity ensure precise voltage dividing
- 5W power rating supports continuous operation in industrial circuits
- Panel-mount design with solder lug terminals and screwdriver-slot adjustment
- RoHS compliant for modern regulatory requirements
Technical Specifications
- Track Resistance: 500 Ω
- Number of Turns: 10
- Track Taper: Linear
- Power Rating: 5 W
- Resistance Tolerance: ±3%
- Temperature Coefficient: ±20 ppm/°C
- Independent Linearity: ±0.15%
- Total Rotation: 1800°
- Shaft Diameter: 6.34 mm
- Shaft Length: 20.64 mm
- Product Length: 65.1 mm
- Adjustment Type: Screwdriver Slot (Side Adjustment)
- Potentiometer Type: Precision Wirewound
- Resistor Technology: Wirewound
- Potentiometer Terminals: Solder Lug
- Gangs: 1 Gang
- Mounting Style: Panel Mount
- RoHS Compliant: Yes
Typical Applications
- Precision voltage dividers in test and measurement instruments
- Gain and offset adjustment in industrial amplifier circuits
- Flow, pressure, and temperature control systems
- Audio level and tone controls in industrial equipment
- Calibration and tuning of analog control systems
- Machine tool feedback and manual speed adjustment
Compatibility & Replacements
Compatible With
- Panel-mount control systems requiring 500 ohm precision potentiometers
- Industrial PLC and DCS analog input modules with 0–10V or 4–20mA signal conditioning
- Test equipment requiring stable, low-noise voltage dividers
- Wirewound precision circuits where temperature stability is critical
Replaces / Drop-In Replacement For
- Bourns 3400S-1-501L (equivalent specification)
- Other 500 ohm, 10-turn precision potentiometers rated 5W with ±3% tolerance
- Verify compatibility with your system integrator before ordering.
Works With
- Analog input conditioning circuits and signal processors
- Measurement and test equipment front panels
- Industrial process control systems (PLC/DCS analog inputs)
- General-purpose precision adjustment applications
