MHz RANGE CRYSTAL UNITS (CYLINDER TYPE) CITIZEN. CSA-310, CSA-309 MFEATURES: * The units are high-performance, miniature crystal units manufactured with Citizens ultrahigh-precision processing technology. * High stability has been gained through vacuum seal- ing. * Outstanding vibration resistance, shock resistance and environmental characteristics. APPLICATIONS: * Can be used for a wide range of applications includ- ing use in AV equipment, OA equipment, communi- Life-size cation equipment and measuring instruments. m DIMENSIONS: (UNIT=mm) 1 1 $0.32 @0.32 = = = @3.2MAxX = @3.2MAX 10.5MAX 10 | | _y- ee a CSA-310 | | CSA-309 QMAX 10 _ M STANDARD SPECIFICATIONS ey ea! | CSA-309 Conditions Nominal frequency fo | 3.5MHz~4.000MHz | yMHe-7OMMe (ad OT). | ease coma us tr 7 Frequency tolerance Af/fo | +30ppm or +50ppm At 25C | Frequency vs. Temperature characteristics | A\f/fo +50ppm (+30ppm) 10C~+60C Operating temperature range Torr 20C~+70C storage temperature range Tse | 40C ~+85C Equivalent series resistance Ri | See drawing At 25C Load Capacitance Cu 16.0pF TYP. Please specify ohunt capacitance Co 5.0pF MAX. Drive level Cu 100uW Insulation resistance IR 500MQ MIN. DC100V+15V Aging (First year) Afi/fo +5ppm MAX. 25C+3C Sealing 1 x 102yPa-m/s MAX. | | Shock resistance Drop test of 3 times on a hard board from sem ppm aes of 3000G x 0.3ms x '/2 sin wave x 3 directions | Sevending onthe frequency. FREQUENCY vs TEMPERATURE CURVE EQUIVALENT SERIES RESISTANCE (ESR, R:) f/f Frequency Equivalent series resistance Mode | (opm) 3.5MHzSfo< 4MHz 200 | +307 __AMHzsfo< 6MHz | 150 | | | -10 ee 6MHzSfo< 10MHz 100 | Tundamental a 60 10MHzSfoS34MHz 50 _ 394 TEMP. (C) 27MHzSfo<36MHz 100 36MHzSfoS70MHz 80 SOOT a MAX)