BS 9612 N020 79th Edition, April 15, 1979
Detail specification for resistance welded seal quartz crystal units for oscillator applications - DN, DZ, DQ and DP enclosures, 50 to 125 MHz frequency range - Fifth overtone thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled) - Full assessment level
Includes all amendments and changes through Reaffirmation Notice , October 15, 1985
Additional Comments: W/D NO S/S
Published By:British Standards Institution (BSI)
Ratings, characteristics and inspection requirements.