Precision Wire Wound Variable Resistor

Part Number 78WS338-1

Quality inspected with certificate of conformity. For questions and pricing call us at +1 210-468-8090

We ship worldwide

Features

1.739 inches maximum overall length.

Includes quality control certificate of conformance.

Specifications

  • Section Quantity:
    3
  • Body Style:
    Cylindrical servo mounted
  • Reliability Indicator:
    Not established
  • Pilot Diameter:
    0.7500 inches
  • Pilot Length:
    0.0620 inches
  • Undercut Diameter:
    0.791 inches
  • Undercut Width:
    0.0620 inches
  • Body Diameter:
    0.875 inches
  • Shaft Diameter:
    0.125 inches
  • Shaft Length:
    0.259 inches
  • Body Length:
    1.480 inches
  • Overall Diameter:
    1.094 inches
  • Mounting Lip Diameter:
    0.8750 inches
  • Mounting Lip Depth:
    0.0620 inches
  • Shaft Style:
    Round
  • Shaft Bearing Type:
    Ball
  • Actuator Type:
    Single shaft
  • Effective Electrical Rotation In Deg Angular Rotation:
    320.0
  • Maximum Starting Torque:
    0.25 inch-ounces
  • Maximum Running Torque:
    0.25 inch-ounces
  • Shaft End Play:
    0.001 inches
  • Shaft Runout:
    0.001 inches
  • Lateral Runout:
    0.001 inches
  • Pilot Diameter Runout:
    0.001 inches
  • Shaft Radial Play:
    0.001 inches
  • Fragility Factor:
    Moderately delicate
  • Terminal Location:
    Longitudinally positioned on the circumference
  • Mounting Method:
    Clamp ring
  • Cubic Measure:
    1.133 cubic inches
  • Electrical Resistance Per Section:
    100.0 kilohms all sections
  • Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation:
    180.0 1st section
  • Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation:
    180.0 2nd section
  • Rotary Actuator Travel In Angular Deg:
    360.0
  • Function Conformity Tolerance Per Section:
    -0.50/+0.50 all sections
  • Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power:
    125.0 all sections
  • Power Dissipation Rating Per Section In Watts:
    2.0 free air all sections
  • Function Conformity Per Section:
    All sections absolute linearity
  • Fixed Tap Quantity Per Section:
    1 1st section
  • Fixed Tap Quantity Per Section:
    1 2nd section
  • Tap Location Tolerance Per Section:
    -2.0/+2.0 degrees angular rotation 1st section
  • Tap Location Tolerance Per Section:
    -2.0/+2.0 degrees angular rotation 2nd section
  • Resistance Tolerance Per Section In Percent:
    -1.0/+1.0 all sections
  • Actuator Travel Control Feature:
    Continuous motion
  • Function Characteristic Per Section:
    All sections linear
  • Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius:
    -20.0/+20.0 all sections
  • Ambient Tempurature In Deg Celsius Per Section At Full Rated Power:
    70.0 all sections
  • Unpackaged Unit Weight:
    2.00 ounces
  • Terminal Type And Quantity:
    11 turret
  • Federal Supply Class (fsc):
    Resistors
  • National Stock Number (nsn):
    5905-00-972-8672

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