TF378

Technical Characteristics

• Winding Operating Voltage

  18.00 ac volts nominal single component 3rd secondary

• Winding Operating Voltage

  18.00 ac volts nominal single component 4th secondary

• Winding Operating Voltage

  20.00 ac volts nominal single component 1st secondary

• Winding Operating Voltage

  27.00 ac volts nominal single component 2nd secondary

• Reliability Indicator

  not established

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.625 inches nominal single mounting facility single center group

• Overall Height

  4.286 inches maximum

• Winding Shielding Method

  internal shield grounded to core single component

• Body Length

  3.563 inches maximum

• Body Width

  3.063 inches maximum

• Inclosure Type

  hermetically sealed

• Thread Quantity Per Inch

  32 single group

• Winding Operating Current

  100.0 milliamperes dc maximum single component 1st secondary

• Winding Operating Current

  190.0 milliamperes dc maximum single component 3rd secondary

• Winding Operating Voltage

  115.00 ac volts nominal single component all primary

• Thread Class

  2a single group

• Thread Direction

  right-hand single group

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.125 inches nominal single mounting facility single center group

• Frequency Rating

  50.0 hertz nominal single component or 60.0 hertz nominal

• Input-Output Phase Relationship

  single phase to single phase single component

• Body Height

  3.848 inches maximum

• Mounting Facility Quantity

  4 single group

• Mounting Method

  threaded stud single group

• Winding Function And Quantity

  2 primary single component and 4 secondary

• Nominal Thread Size

  0.164 inches single group

• Winding Operating Current

  1.8 amperes dc maximum single component 4th secondary

• Winding Operating Current

  140.0 milliamperes dc maximum single component 2nd secondary

• Thread Series Designator

  unc single group

• Terminal Type And Quantity

  12 solder stud