S278

Technical Characteristics

• Mounting Facility Quantity

  4 single group

• Body Width

  1.875 inches nominal

• Primary To Secondary Turn Ratio

  1 to 1 single component

• Impedance Rating In Ohms

  420.0 nominal single component single secondary

• Mounting Hole Diameter

  0.159 inches nominal single group

• Frequency Rating

  100.0 hertz minimum single component and 20.0 kilohertz maximum single component

• Inclosure Type

  fully inclosed

• Winding Function And Quantity

  1 primary single component and 1 secondary single component

• Mounting Method

  unthreaded hole single group

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.593 inches nominal single mounting facility single center group

• Reliability Indicator

  not established

• Winding Operating Current

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

• Frequency Response Tolerance In Decibels (Non-Core)

  -2.0/+2.0 single component

• Impedance Rating In Ohms

  280.0 nominal single component single primary

• Terminal Type And Quantity

  4 tab, solder lug

• Transformer Function

  line

• Body Length

  2.063 inches nominal

• Winding Operating Current

  25.0 milliamperes maximum of standard range b and better drop siding single component single secondary

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.312 inches nominal single mounting facility single center group

• Body Height

  2.500 inches nominal