B3990

Technical Characteristics

• Inclosure Type

  fully inclosed

• Center To Center Distance Between Mounting Facilities Parallel To Length

  9.000 inches nominal single mounting facility single center group

• Mounting Method

  unthreaded hole single group

• Mounting Hole Diameter

  0.312 inches nominal single group

• Fsc Application Data (Non-Core)

  an/mpq-t3 an/gpq-t8

• Reliability Indicator

  not established

• Overall Length

  9.875 inches nominal

• Peak Voltage Rating (Non-Core)

  23.0 kilovolts single component single secondary

• Pulse Duration In Microseconds (Non-Core)

  1.500 single component

• Frequency Rating

  60.0 hertz nominal single component

• Overall Width

  7.750 inches nominal

• Overall Height

  7.500 inches nominal

• Winding Tap Location (Non-Core)

  center tap single component single secondary

• Winding Operating Current

  3.1 amperes maximum of standard range b and better drop siding single component single secondary

• Mounting Facility Quantity

  4 single group

• Peak Voltage Rating (Non-Core)

  4.6 kilovolts single component single primary

• Winding Shielding Method

  core grounded single component

• Center To Center Distance Between Mounting Facilities Parallel To Width

  6.000 inches nominal single mounting facility single center group

• Terminal Type And Quantity

  7 standoff, threaded stud

• Winding Function And Quantity

  2 primary single component and 1 secondary single component