249 Spectrol Potentiometer

Features
  • Phosphor bronze, solder plated terminals
  • Available in 1/8" and 1/4" shaft diameter
  • 1/4" plastic shaft types
  • Plastic flame retardant housing
  • Available in audio taper (J types)
  • Spectrol249 Series

    Potentiometer - 1 Watt, 1/2" square,
    1/8" and 1/4" dia. shaft
    Photo of 249 Series PotentiometerPhoto of 249 Series Potentiometer

    Spectrol No.NTE Part No.Value
    Ohms
    Shaft
    Length
    Diag.
    No.
    249-7-10-501502-0164
    5007/8"P10
    249-8-08-501502-0064
    5003/4"P9
    249-7-10-102502-0165
    1K7/8"P10
    249-8-08-102502-0065
    1K3/4"P9
    249-J-8-08-102502-0180
    1K3/4"P9
    249-J-9-10-102502-0185
    1K7/8"P10
    249-7-10-252502-0166
    2.5K7/8"P10
    249-8-08-252502-0066
    2.5K3/4"P9
    249-7-10-502502-0167
    5K7/8"P10
    249-8-08-502502-0067
    5K3/4"P9
    249-7-10-103502-0168
    10K7/8"P10
    249-8-08-103502-0068
    10K3/4"P9
    249-J-8-08-103502-0181
    10K3/4"P9
    249-J-9-10-103502-0186
    10K7/8"P10
    249-7-10-253502-0169
    25K7/8"P10
    249-8-08-253502-0069
    25K3/4"P9
    249-7-10-503502-0170
    50K7/8"P10
    249-8-08-503502-0070
    50K3/4"P9
    249-J-8-08-503502-0182
    50K3/4"P9
    249-J-9-10-503502-0187
    50K7/8"P10
    249-7-10-104502-0171
    100K7/8"P10
    249-8-08-104502-0071
    100K3/4"P9
    249-J-8-08-104502-0183
    100K3/4"P9
    249-J-9-10-104502-0188
    100K7/8"P10
    249-7-10-254502-0172
    250K7/8"P10
    249-8-08-254502-0072
    250K3/4"P9
    249-7-10-504502-0173
    500K7/8"P10
    249-8-08-504502-0073
    500K3/4"P9
    NOTE: 249-7-XX-XX are plastic shaft types

     
    Dimensional Drawing

    P9

    P10

    Schematic Diagram

    Specifications
    Electrical
    Resistance Range - Linear Taper: 500 Ohms to 500K Ohms
    Resistance Range - CW Audio Taper: J types
    Resistance Tolerance: ±10%
    Power Rating: 1W @ +70°C derated to 0W @ +125°C
    Temperature Coefficient of Resistance: ±100ppm/°C
    Linearity Tolerance: ±5% independent
    Contact Resistance variation: 3% of total resistance
    Insulation Resistance: 1000 Meg Ohm min, 500VDC
    Dielectric Strength: 750V RMS min 50Hz
    End Resistance: 2 Ohms max each end
    Effective Electrical Angle: 265° ±5°
    Rotation Life: 25,000 cycles

    Mechanical
    Resistance Element: Cermet
    Mechanical Rotation: 295° ±5°
    Starting and Running Torque: 1.5 to 18.75mNm
    End Stop Torque: 0.35Nm (50 oz in)

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

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    Contact Us:

    Centerpointe Electronics
    5241 Lincoln Ave. Unit #A-7
    Cypress, CA 90630
    Call Toll Free: 800-272-2737
    Fax Toll Free: 800-493-7862
    Intl. Call No: 714-821-1100
    Intl. Fax No.: 714-828-0282