Features
  • Compact size
  • Stainless steel 1/4" diameter shaft
  • Turret type, solder plated terminals
  • Plastic housing with non-turn pin
  • Spectrol357 Series

    Potentiometer - 1 Watt, 7/8" round
    case, 1/4" dia. shaft, single turn
    Photo of 357 Series Potentiometer

    Spectrol No.NTE Part No.Value
    Ohms
    Shaft
    Length
    Diag.
    No.
    357-0-0-102502-0080
    1K7/8"P11
    357-2-0-102502-0087
    1K7/8"P11
    357-0-0-202502-0081
    2K7/8"P11
    357-2-0-202502-0088
    2K7/8"P11
    357-0-0-502502-0082
    5K7/8"P11
    357-2-0-502502-0089
    5K7/8"P11
    357-0-0-103502-0083
    10K7/8"P11
    357-2-0-103502-0090
    10K7/8"P11
    357-0-0-203502-0084
    20K7/8"P11
    357-2-0-203502-0091
    20K7/8"P11
    357-0-0-503502-0085
    50K7/8"P11
    357-2-0-503502-0092
    50K7/8"P11
    NOTE: 357-0-XX-XX types are continuous rotation
    NOTE: 357-2-XX-XX types contain rotation stops

    Dimensional Drawing

    P11

    Schematic Diagram

    Specifications
    Electrical
    Resistance Range - Linear Taper: 1K Ohms to 50K Ohms
    Resistance Tolerance: ±20%
    Power Rating: 1W @ +70°C derated to 0W @ +125°C
    Temperature Coefficient of Resistance: ±600ppM/°C
    Linearity Tolerance: ±2% independent
    Output Smoothness: 0.1% max
    Insulation Resistance: 1000 Meg Ohm min, 500VDC
    Dielectric Strength: 1000V RMS min 50Hz
    End Voltage: 0.5% max
    Electrical Travel: 340° ±3°
    Rotation Life: 2,000,000 shaft revolutions

    Mechanical
    Bearing Type Bushing: Sleeve bearing
    Resistance Element: Conductive plastic
    Mechanical Rotation: 360° (Continuous), 340° ±3° (With Stops)
    Starting and Running Torque: 3.68mNm (0.5 oz in)
    Shaft Tolerance: 0.13 mm (Runout)
    Shaft Tolerance: 0.25 mm (End Play)
    Shaft Tolerance: 0.13 mm (Radial Play)
    Rotation Life: 10,000,000 shaft revolutions

    Environmental
    Operating Temperature: -55° to +125°C
    Load Life: 1000 hr.

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    Centerpointe Electronics
    5241 Lincoln Ave. Unit #A-7
    Cypress, CA 90630
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