Oscilent Corporation | 252 - 255 Page 1 of 4 SMD Quartz Crystal Series Number Package Description Last Modified 252 ~ 255 HC-49SM 4 Pad SMD Quartz Crystal Jan. 01 2002 . FEATURES - Cost effective - Low profile - Space saving design - Tape and Reel . OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS CONDITIONS. CHARACTERISTICS UNITS fO 3.579545 ~ 70.00 MHz Ref @ +25ºC ±30 (Std.) / ±15 , ±50 (Option) PPM Temperature Tolerance TL ±50 (Std.) / ±30 , ±100 (Option) PPM Operating Temperature TOPR -20 ~ +70 (Std.) / -40 ~+85 (Option) ºC Storage Temperature TSTG -40 ~ +85 ºC Shunt Capacitance CO 7.0 max. pF Load Capacitance CL 18.0 (Std.) / 10 ~ 50 and Series (Option) pF Drive Level DL 1.0 max. mW @ +25ºC ±5.0 PPM/Y IR 500 (DC100 ±10V) min. Mohm Frequency Range Frequency Tolerance Aging (First Year) Insulation Resistance . TABLE 1 - OPERATION MODE AND MOTIONAL RESISTANCE (RS) .. FREQUENCY RANGE (MHz) MODE ohm max. FREQUENCY RANGE (MHz) MODE ohm max. 3.579545 ~ 4.999 Fundamental/AT 200 15.0 ~ 15.999 Fundamental/AT 60 5.0 ~ 5.999 Fundamental/AT 150 16.0 ~ 23.999 Fundamental/AT 50 6.0 ~ 7.999 Fundamental/AT 120 24.0 ~ 30.999 Fundamental/AT 40 8.0 ~ 8.999 Fundamental/AT 90 24.0 ~ 40.32 Fundamental/BT 40 9.0 ~ 9.999 Fundamental/AT 80 24.576 ~ 29.999 3rd OT/AT 150 10.0 ~ 14.999 Fundamental/AT 70 30.0 ~ 70.0 3rd OT/AT 100 Oscilent Corporation | 252 - 255 Page 2 of 4 Series Layout 252 Fig. A 253 Fig. B 254 Fig. A 255 Fig. B Dim. L 4.0mm 5.0mm . PART NUMBER GUIDE Series Number 252 HC-49SM 252:L=4.0 (A) 253:L=4.0 (B) 254:L=5.0 (A) 255:L=5.0 (B) Frequency Load Capacitance Tolerance @ +25oC Tolerance Over Temp ( oC ) Operating Temp ( oC ) Packaging** - 18 - 50 N W - TR - 12.0M See table below for standard freq. and enter here e.g. 2.048M for 2.048 MHz OR enter any desire frequency. 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. Blank* = ±50 PPM G= ±30 PPM N= ±100 PPM S= W= -20~+70 -40~+85 Blank* = Bulk TR = Tape/Reel 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) LOAD (pF) Series 12 13 16 17 18 20 30 3.579545 Std. - - - Std. - - - 3.6864 Std. - - - - - Std. - 4.000 Std. - - - - - Std. - Oscilent Corporation | 252 - 255 Page 3 of 4 4.032 Std. - - - - - Std. - 4.096 - - - - - - Std. - 4.194304 - Std. - Std. - - - - 4.433618 - - - - - - Std. - 4.9152 Std. - - - - - Std. - 5.000 Std. - - - - - Std. - 5.0688 Std. - - - - - Std. - 5.185 Std. - - - - - - Std. 5.9904 Std. - - - - - Std. - 6.000 Std. - - - - - - Std. 6.144 - - - - - - - Std. 6.5536 Std. - - - - - - - 7.3728 Std. - - - - - Std. - 8.000 Std. - - - - Std. - Std. 9.216 Std. - - - - - Std. - 9.8304 Std. - - - - - Std. - 10.000 Std. - - - - Std. - - 11.000 Std. - - - - - - - 11.0592 Std. - - - - - Std. Std. 12.000 Std. - - - - - Std. Std. - - - - - Std. - - 12.288 Std. - - - - - Std. - 14.31818 Std. - - - - Std. Std. - 14.7456 Std. - - - - - Std. - 15.000 Std. - - - - - - - 16.000 Std. - - - - - Std. - - - - - - Std. - - 16.257 Std. - - - - - Std. - 16.9344 - - - - - - Std. - 18.000 Std. - - - - - Std. - 18.432 Std. - - - - Std. Std. - 19.6608 Std. - - - - - Std. - 20.000 Std. - - Std. - Std. Std. - 22.1184 Std. - - - - - - - 24.000(F) Std. - - Std. - Std. Std. - 24.00014 (F) - - - - - Std. - - 40.00 (OT) - - - - - Std. - - 40.32 (OT) - - - - - - Std. - 12.000393 16.000312 Oscilent Corporation | 252 - 255 FREQUENCY (MHz) Series Page 4 of 4 12 13 16 17 18 20 32 LOAD (pF) 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