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| Oscilent Corporation | 250 - 251 Page 1 of 4 SMD Quartz Crystal Series Number Package Description Last Modified 250 ~ 251 . FEATURES - Cost effective - Low profile - Space saving design - Tape and Reel - RoHs / Lead Free compliant HC-49SM SMD Quartz Crystal Sept. 01 2004 . 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 @ +25C TL TOPR TSTG CO CL DL @ +25C IR CHARACTERISTICS 3.000 ~ 85.00 30 std. (5 ~ 100 avail.) 50 std. (See Table 2) -10 ~ +60 std. (See Table 2) -55 ~ +125 7.0 max. 20.0 std. (8 ~ 50 and Series avail.) 0.1 ~ 1.0 5.0 500 (DC100 10V) min. UNITS MHz PPM PPM C C pF pF mW PPM/Y Mohm . TABLE 1 - OPERATION MODE AND MOTIONAL RESISTANCE (RS) FREQUENCY RANGE (MHz) 3.000 ~ 3.500 3.500 ~ 3.800 3.800 ~ 4.100 4.100 ~ 5.000 5.000 ~ 6.000 6.000 ~ 8.000 MODE Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental ohm max. 300 150 120 100 80 70 FREQUENCY RANGE (MHz) 8.000 ~ 10.000 10.000 ~ 12.000 12.000 ~ 28.000 28.000 ~ 33.500 26.000 ~ 40.000 40.000 ~ 75.000 MODE Fundamental Fundamental Fundamental Fundamental 3rd OT 3rd OT ohm max. 60 50 40 50 100 80 . TABLE 2 - FREQUENCY - TEMPERATURE TOLERANCE Cutting Temperature Range 0 ~ +50C -10 ~ +60C AT -20 ~ +70C -30 ~ +80C Tolerance (PPM) 5.00 x 10.0 x x 15.0 x x x 20.0 x x x x 30.0 x O x x 50.0 x x O x x O available recommended Oscilent Corporation | 250 - 251 Page 2 of 4 -40 ~ +85C BT - - - - 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 Frequency Load Capacitance Tolerance @ +25oC Tolerance Over Temp ( oC ) Operating Temp ( oC ) Packaging** 250 HC-49SM 250: L=4.2 251: L=3.2 - 12.0M See table below for standard freq. and enter here e.g. 2.048M for 2.048 MHz OR enter any desire frequency. - SR Enter desired capacitance here. See table below for standard load capacitance e.g. 20 for 20pF or Enter SR for Series. - 05 Blank * = 30 PPM or Fill in E.G 05 = 5 PPM 25 = 25 PPM Avail. = 5 ~ 100 Blank* = G= H= K= L= M= N= K 50 PPM 30 PPM 20 PPM 15 PPM 10 PPM 5 PPM 100 PPM P= R= S= T= W= P 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 Page 3 of 4 (MHz) 3.579545 3.6864 4.000 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 Series 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. 12 Std. - 13 - 16 Std. Std. - 17 Std. - 18 Std. Std. Std. Std. Std. Std. Std. - 20 Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. Std. - 30 Std. Std. Std. Std. Std. Std. - Oscilent Corporation | 250 - 251 Page 4 of 4 24.000(F) 24.00014 (F) 40.00 (OT) 40.32 (OT) FREQUENCY (MHz) Std. Series 12 13 Std. 16 LOAD (pF) 17 Std. Std. Std. 18 Std. Std. 20 32 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 |
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