Oscilent Corporation | 250 - 251 Page 1 of 4 SMD Quartz Crystal Series Number Package Description Last Modified 250 ~ 251 HC-49SM SMD Quartz Crystal Sept. 01 2004 . FEATURES - Cost effective - Low profile - Space saving design - Tape and Reel - RoHs / Lead Free compliant . OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS CONDITIONS. CHARACTERISTICS UNITS fO 3.000 ~ 85.00 MHz Ref @ +25°C ±30 std. (±5 ~ ±100 avail.) PPM Temperature Tolerance TL ±50 std. (See Table 2) PPM Operating Temperature TOPR -10 ~ +60 std. (See Table 2) °C Storage Temperature TSTG -55 ~ +125 °C Shunt Capacitance CO 7.0 max. pF Load Capacitance CL 20.0 std. (8 ~ 50 and Series avail.) pF Drive Level DL 0.1 ~ 1.0 mW @ +25°C ±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. 3.000 ~ 3.500 Fundamental 3.500 ~ 3.800 Fundamental 300 8.000 ~ 10.000 Fundamental 60 150 10.000 ~ 12.000 Fundamental 50 3.800 ~ 4.100 4.100 ~ 5.000 Fundamental 120 12.000 ~ 28.000 Fundamental 40 Fundamental 100 28.000 ~ 33.500 Fundamental 50 5.000 ~ 6.000 Fundamental 80 26.000 ~ 40.000 3rd OT 100 6.000 ~ 8.000 Fundamental 70 40.000 ~ 75.000 3rd OT 80 . TABLE 2 - FREQUENCY - TEMPERATURE TOLERANCE Cutting AT Tolerance (PPM) Temperature Range ±5.00 ±10.0 ±15.0 ±20.0 ±30.0 ±50.0 0 ~ +50°C x x x x x x x available -10 ~ +60°C - x x x O x O recommended -20 ~ +70°C - - x x x O -30 ~ +80°C - - - x x x Oscilent Corporation | 250 - 251 -40 ~ +85°C - BT Page 2 of 4 - - - x x Within a range of ±80 ~ ±120 PPM Note: Consult factory for available frequencies .. Dim. L 250 4.2mm 251 3.2mm . PART NUMBER GUIDE Series Number 250 HC-49SM 250: L=4.2 251: L=3.2 Frequency - 12.0M See table below for standard freq. and enter here e.g. 2.048M for 2.048 MHz OR enter any desire frequency. Load Capacitance Tolerance @ +25oC - SR - 05 Enter desired capacitance here. See table below for standard load capacitance e.g. 20 for 20pF or Enter SR for Series. Blank * = ±30 PPM or Fill in E.G 05 = ±5 PPM 25 = ±25 PPM Avail. = ±5 ~ ±100 Tolerance Over Temp ( oC ) Operating Temp ( oC ) K Blank* = G= H= K= L= M= N= ±50 PPM ±30 PPM ±20 PPM ±15 PPM ±10 PPM ±5 PPM ±100 PPM Packaging** P P= R= S= T= W= 0~+50 -10~+60 -20~+70 -30~+80 -40~+85 - TR 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 LOAD (pF) FREQUENCY Oscilent Corporation | 250 - 251 (MHz) Page 3 of 4 Series 12 13 16 17 18 20 30 3.579545 Std. - - - Std. - - - 3.6864 Std. - - - - - Std. - 4.000 Std. - - - - - Std. - 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. - - - - - - - 12.000393 16.000312 Oscilent Corporation | 250 - 251 24.000(F) Page 4 of 4 Std. - - Std. - Std. Std. - 24.00014 (F) - - - - - Std. - - 40.00 (OT) - - - - - Std. - - 40.32 (OT) - - - - - - Std. - Series 12 13 16 17 18 20 32 FREQUENCY (MHz) LOAD (pF) F = Fundamental | OT = 3RD Overtone NOTE: Other frequencies and load capacitance available. Please consult Oscilent for part numbers. Series No.: 250 to 251 Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map