744221-20

Technical Characteristics

• Electrical Resistance

  0.232 ohms

• Resistance Tolerance In Percent

  -1.000/ 1.000

• Ambient Temp In Deg Celsius At Zero Percent Rated Power

  275.0

• Inclosure Method

  encased

• Reliability Indicator

  not established

• Body Length

  4.500 inches nominal

• Body Width

  2.125 inches nominal

• Body Height

  2.188 inches nominal

• Power Dissipation Rating In Watts

  75.000 free air

• Test Data Document

  81349-mil-r-18546 specification

• Temp Coefficient Of Resistance In Ppm Per Deg Celsius

  -50.0/ 50.0

• Ambient Temp In Deg Celsius At Full Rated Power

  25.0

• Temp Range Of Temp Coefficient In Deg Celsius

  -55.0/ 275.0

• Terminal Type

  threaded stud

• Terminal Length

  1.250 inches nominal

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  3.875 inches nominal

• Mounting Hole Size

  0.188 inches nominal

• Style Designator

  148 axial terminal

• Specification/Standard Data

  81349-mil-r-18546/2b government specification