245-12.0M-18-50NW

Oscilent Corporation | 252 - 255 Page 1 of 4 SMD Quartz Crystal Series Number Package Description Last Modified 252 ~ 255 . FEATURES - Cost effective - Low profile - Space saving design - Tape and Reel HC-49SM 4 Pad SMD Quartz Crystal Jan. 01 2002 . OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Frequency Range Frequency Tolerance Temperature Tolerance Operating Temperature Storage Temperature Shunt Capacitance Load Capacitance Drive Level Aging (First Year) Insulation Resistance CONDITIONS. fO Ref @ +25ºC TL TOPR TSTG CO CL DL @ +25ºC IR CHARACTERISTICS 3.579545 ~ 70.00 ±30 (Std.) / ±15 , ±50 (Option) ±50 (Std.) / ±30 , ±100 (Option) -20 ~ +70 (Std.) / -40 ~+85 (Option) -40 ~ +85 7.0 max. 18.0 (Std.) / 10 ~ 50 and Series (Option) 1.0 max. ±5.0 500 (DC100 ±10V) min. UNITS MHz PPM PPM ºC ºC pF pF mW PPM/Y Mohm . TABLE 1 - OPERATION MODE AND MOTIONAL RESISTANCE (RS) FREQUENCY RANGE (MHz) 3.579545 ~ 4.999 5.0 ~ 5.999 6.0 ~ 7.999 8.0 ~ 8.999 9.0 ~ 9.999 10.0 ~ 14.999 MODE Fundamental/AT Fundamental/AT Fundamental/AT Fundamental/AT Fundamental/AT Fundamental/AT ohm max. 200 150 120 90 80 70 FREQUENCY RANGE (MHz) 15.0 ~ 15.999 16.0 ~ 23.999 24.0 ~ 30.999 24.0 ~ 40.32 24.576 ~ 29.999 30.0 ~ 70.0 MODE Fundamental/AT Fundamental/AT Fundamental/AT Fundamental/BT 3rd OT/AT 3rd OT/AT ohm max. 60 50 40 40 150 100 .. Oscilent Corporation | 252 - 255 Page 2 of 4 Series Layout 252 253 254 255 Fig. A Fig. B Fig. A Fig. B Dim. L 4.0mm 5.0mm . PART NUMBER GUIDE Series Number Frequency Load Capacitance Tolerance @ +25oC Tolerance Over Temp ( oC ) Operating Temp ( oC ) Packaging** 252 HC-49SM 252:L=4.0 (A) 253:L=4.0 (B) 254:L=5.0 (A) 255:L=5.0 (B) - 12.0M See table below for standard freq. and enter here e.g. 2.048M for 2.048 MHz OR enter any desire frequency. - 18 - 50 N Blank* = ±50 PPM G= ±30 PPM N= ±100 PPM S= W= W -20~+70 -40~+85 - TR Blank* = Bulk TR = Tape/Reel Enter desired Blank * = ±30 PPM capacitance here. 15 = ±15 PPM See table below 50 = ±50 PPM for standard load capacitance e.g. 20 for 20pF or Enter SR for Series. NOTE: Deviations on all parameters available. Please consult Oscilent for details. DEFINITIONS: Click on the characteristic names above for definitions of that particular characteristic. *STANDARDS: "Blank" part number selections indicate standard variables for that particular characteristic. **PACKAGING: Click on the packaging name above for tape/reel specifications . STANDARD FREQUENCIES / LOAD CAPACITANCE - FOR GUIDE ONLY/ OTHER FREQ./LOADS AVAILABLE FREQUENCY (MHz) 3.579545 3.6864 4.000 LOAD (pF) Series Std. Std. Std. 12 13 16 17 Std. 18 20 Std. Std. 30 - Oscilent Corporation | 252 - 255 Page 3 of 4 4.032 4.096 4.194304 4.433618 4.9152 5.000 5.0688 5.185 5.9904 6.000 6.144 6.5536 7.3728 8.000 9.216 9.8304 10.000 11.000 11.0592 12.000 12.000393 12.288 14.31818 14.7456 15.000 16.000 16.000312 16.257 16.9344 18.000 18.432 19.6608 20.000 22.1184 24.000(F) 24.00014 (F) 40.00 (OT) 40.32 (OT) Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. - Std. - - Std. Std. Std. - - Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. - Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. - Oscilent Corporation | 252 - 255 Page 4 of 4 FREQUENCY (MHz) Series 12 13 16 LOAD (pF) 17 18 20 32 F = Fundamental | OT = 3RD Overtone NOTE: Other frequencies and load capacitance available. Please consult Oscilent for part numbers. Series No.: 252 to 255 Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map