B639B

Technical Characteristics

• Body Length

  1.550 inches maximum

• Winding Operating Voltage

  98.00 ac volts minimum single component single primary and 124.00 ac volts maximum single component single primary

• Mounting Facility Quantity

  2 single group

• Nominal Thread Size

  0.112 inches single group

• Body Width

  1.350 inches maximum

• Winding Power Rating

  6.0 volts-amperes single component 2nd secondary

• Winding Power Rating

  30.0 volts-amperes single component 1st secondary

• Mounting Method

  threaded hole single group

• Winding Function And Quantity

  1 primary single component and 2 secondary single component

• Inclosure Type

  fully inclosed

• Winding Operating Voltage

  7.70 ac volts nominal single component 2nd secondary

• Winding Operating Current

  1.5 amperes ac nominal single component 1st secondary

• Reliability Indicator

  not established

• Frequency Rating

  400.0 hertz nominal single component

• Winding Operating Current

  779.2 milliamperes ac nominal single component 2nd secondary

• Winding Operating Voltage

  20.50 ac volts nominal single component 1st secondary

• Thread Class (Non-Core)

  err-070

• Input-Output Phase Relationship

  single phase to single phase single component

• Maximum Operating Temp

  130.0 deg celsius

• Thread Series Designator

  unc single group

• Unpackaged Unit Weight (Non-Core)

  111.0 grams

• Terminal Type And Quantity

  6 pin

• Distance Between Mounting Facility Centers

  1.200 inches nominal single mounting facility single center group

• Body Height

  1.100 inches maximum

• Thread Direction (Non-Core)

  err-070