ST1889

Technical Characteristics

• Mounting Facility Quantity

  4 single group

• Primary To Secondary Turn Ratio

  1 to 1 single component

• Thread Class (Non-Core)

  2a single group

• Mounting Method

  threaded stud single group

• Thread Quantity Per Inch

  32 single group

• Frequency Rating

  40.0 hertz minimum single component and 4.0 kilohertz maximum single component

• Body Length

  1.750 inches nominal

• Thread Direction (Non-Core)

  right-hand single group

• Overall Height

  3.624 inches nominal

• Winding Function And Quantity

  1 primary single component and 1 secondary single component

• Body Width

  1.625 inches nominal

• Nominal Thread Size

  0.138 inches single group

• Body Height

  3.062 inches nominal

• Winding Tap Location (Non-Core)

  center tap single component single secondary

• Thread Series Designator

  unc single group

• Inclosure Type

  hermetically sealed

• Terminal Type And Quantity

  5 standoff, solder lug

• Impedance Rating In Ohms

  4000.0 nominal single component single secondary

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.188 inches nominal single mounting facility single center group

• Reliability Indicator

  not established

• Impedance Rating In Ohms

  1000.0 nominal single component single primary

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.125 inches nominal single mounting facility single center group

• Winding Operating Current

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