D221

Technical Characteristics

• Frequency Rating

  300.0 hertz minimum single component and 4.0 kilohertz maximum

• Body Length

  1.375 inches nominal

• Distance Between Mounting Facility Centers

  1.500 inches nominal single mounting facility single center group

• Frequency Response Tolerance In Decibels

  -0.5 to 0.5 single component

• Mounting Facility Quantity

  2 single group

• Mounting Method

  threaded hole single group

• Winding Function And Quantity

  1 primary single component and 1 secondary

• Nominal Thread Size

  0.138 inches single group

• Winding Tap Location

  tap w/o center tap single component single primary

• Winding Operating Current

  10.0 milliamperes dc maximum single component single secondary

• Terminal Type And Quantity

  5 wire hook

• Thread Class

  3a single group

• Reliability Indicator

  not established

• Impedance Rating In Ohms

  200000.0 nominal single component single secondary

• Impedance Rating In Ohms

  600.0 nominal single component single primary and 20000.0 nominal

• Winding Shielding Method

  internal shield grounded to inclosure single component

• Body Outside Diameter

  0.968 inches nominal

• Inclosure Type

  hermetically sealed

• Thread Quantity Per Inch

  32 single group

• Winding Operating Current

  10.0 milliamperes dc maximum single component single primary

• Thread Series Designator

  unc single group