BS-9612-N019 Complete Document History
Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 17 to 75 MHz frequency range. Third overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level


Obsolete Revision Information:
   1979 EDITION - WITHDRAWN, 8/2/2013 - April 15, 1979