311A1

Technical Characteristics

• Inclosure Type

  open

• Mounting Facility Quantity

  2 single group

• Nominal Thread Size

  0.112 inches single group

• Overall Height

  1.625 inches maximum

• Body Length

  1.062 inches maximum

• Impedance Rating In Ohms

  500.0 nominal single component single secondary

• Primary To Secondary Turn Ratio

  1 to 2-1/4 single component

• Winding Operating Current

  15.0 milliamperes maximum of standard range b and better drop siding single component single primary

• Terminal Type And Quantity

  5 turret

• Thread Quantity Per Inch

  40 single group

• Body Width

  0.969 inches maximum

• Mounting Method

  threaded hole single group

• Thread Class (Non-Core)

  2b single group

• Thread Direction (Non-Core)

  right-hand single group

• Frequency Rating

  400.0 hertz maximum single component

• Winding Function And Quantity

  1 primary single component and 1 secondary single component

• Distance Between Mounting Facility Centers

  0.656 inches nominal single mounting facility single center group

• Reliability Indicator

  not established

• Thread Series Designator

  unc single group

• Impedance Rating In Ohms

  2500.0 nominal single component single primary

• Winding Tap Location (Non-Core)

  center tap single component single secondary

• Body Height

  1.438 inches maximum