T1557A

Technical Characteristics

• Reliability Indicator

  not established

• Winding Operating Current

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

• Terminal Type And Quantity

  5 standoff, solder lug

• Impedance Rating In Ohms

  381.0 nominal single component single primary

• Inclosure Type

  hermetically sealed

• Thread Series Designator

  unc single group

• Maximum Transformer Power Rating

  2.0 watts single component

• Impedance Rating In Ohms

  381.0 nominal single component single secondary

• Winding Tap Location (Non-Core)

  center tap single component single secondary

• Winding Operating Current

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

• Nominal Thread Size

  0.138 inches single group

• Mounting Facility Quantity

  2 single group

• Primary To Secondary Turn Ratio

  1 to 1 single component

• Thread Quantity Per Inch

  32 single group

• Overall Height

  2.010 inches nominal

• Frequency Rating

  4.0 kilohertz maximum single component

• Mounting Method

  threaded hole single group

• Thread Class (Non-Core)

  2b single group

• Thread Direction (Non-Core)

  right-hand single group

• Body Width

  0.800 inches maximum

• Body Height

  1.390 inches maximum

• Winding Function And Quantity

  1 primary single component and 1 secondary single component

• Body Length

  1.140 inches maximum

• Distance Between Mounting Facility Centers

  0.440 inches nominal single mounting facility single center group