Oscilent Corporation | 141 - 142 Page 1 of 4 Quartz Crystals Series Number Package Description Last Modified 141 ~ 142 HC-49U / HC-49T Weld Type Quartz April. 17 2008 Quartz Crystal FEATURES - Industry Standard Package - Wide Frequency range - Tight Tolerances - Excellent reliability/Aging - "AT" cut crystals - Cost effective - RoHs / Lead Free compliant OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS CONDITIONS CHARACTERISTICS UNITS fO 1.800 ~ 100.00 MHz Ref @ +25°C ±30 std. (±5 ~ ±100 avail.) PPM Temperature Tolerance TL ±50 std. (See Table 2) PPM Operating Temperature TOPR -20 ~ +70 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 0.05 ~ 1.0 mW @ +25°C ±5.0 max. PPM/Y IR 500 (DC100 ±10V) min. Mohm Frequency Range Frequency Tolerance Aging (First Year) Insulation Resistance TABLE 1 - MODE OF OSCILLATION AND EQUIVALENT SERIES RESISTANCE FREQUENCY RANGE (MHz) MODE HC-49T (ohm max.) HC-49U (ohm max.) 1.800 ~ 2.000 Fundamental - 600 2.000~ 2.400 Fundamental - 450 2.400 ~ 3.000 Fundamental - 350 3.000 ~ 3.500 Fundamental - 150 3.500 ~ 4.000 Fundamental 150 90 4.000 ~ 7.000 Fundamental 90 70 7.000 ~ 10.000 Fundamental 50 50 10.000 ~ 15.000 Fundamental 45 35 15.000 ~ 20.000 Fundamental 25 25 20.000 ~ 25.000 Fund. / 3rd OT 25 / 60 25 / 50 25.000 ~ 30.000 Fund. / 3rd OT 25 / 40 25 / 40 30.000 ~ 75.000 3rd Overtone 40 40 75.000 ~ 100.000 3rd / 5th Overtone - / 60 - / 60 27.000 ~ 35.000 BT Fund. 40 40 TABLE 2 - FREQUENCY - TEMPERATURE TOLERANCE Tolerance (PPM) Oscilent Corporation | 141 - 142 Cutting AT Page 2 of 4 Temperature Range ±5.00 ±10.0 ±15.0 ±20.0 ±30.0 ±50.0 0 ~ +50oC x x x x x x -10 ~ +60oC - x x x x x -20 ~ +70oC - - x x O x -30 ~ +80oC - - - x x O -40 ~ +85oC - - - - - x BT x available O recommended Within a range of ±80 ~ ±120 PPM Dim. L HC-49U (141 Series) 13.2mm HC-49T (142 Series) 11.2mm PART NUMBER GUIDE Series Number Frequency 141 - 12.0M 141 = HC-49U See table below 142 = HC-49T for standard freq. and enter here e.g. 2.048M = 2.048 MHz OR enter any desire frequency. Load Capacitance Tolerance @ +25C Tolerance Over Temp ( oC ) Operating Temp ( oC ) Value Added -20 - 05 K S - VS Enter desired capacitance here. See table below for standard load capacitance Enter SR for Series. Blank *= ±30PPM or Fill in E.G 05 = ±5 PPM 25 = ±25 PPM Avail. = ±5 ~ ±100 Blank* = G= H= K= L= M= N= ±50 PPM ±30 PPM ±20 PPM ±15 PPM ±10 PPM ±5 PPM ±100 PPM P= R= S= T= W= 0~+50 -10~+60 -20~+70 -30~+80 -40~+85 Blank * = Standard IT = Insulator Tab TL = Third Lead L2 = Alt. Third Lead VS = Vinyl Sleeving NOTE: Deviations on all parameters available. Please consult Oscilent for details. DEFINITIONS: Click on the characteristic name above for definitions of that particular characteristic. *STANDARDS: "Blank" part number selections indicate standard variables for that particular characteristic. PACKAGING: Add -TR for Tape/Reel. Click here for tape/reel specifications STANDARD FREQUENCIES / LOAD CAPACITANCE - FOR GUIDE ONLY/ OTHER FREQ./LOADS AVAILABLE Oscilent Corporation | 141 - 142 FREQUENCY (MHz) Page 3 of 4 LOAD (pF) Series 12 13 16 17 18 20 32 1.000 - - Std. -- - - - - 1.8432 Std. - Std. - - - - Std. 2.000 Std. - - - - - Std. Std. 2.048 - Std. - - - - - - 2.4576 - - - - - - Std. Std. 2.500 Std. - - - - - - - 3.000 Std. - - - - - - - 3.2768 - - - - Std. - - - 3.579545 Std. - - - Std. - - - 3.6864 Std. - - - - Std. - - 3.93216 - - - - Std. - - - 4.000 Std. - - - - - Std. - 4.032 Std. - - - - - Std. - 4.096 - - - - - - Std. - 4.194304 - 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 - - - - - - - 6.5536 - Std. - - - - - - 7.3728 Std. - - - - - Sd. - 7.680 - - - - - - Std. - - - - - Std. Std. Std. 8.000 8.192 Std. - - - - - - - 9.216 Std. - - - - - Std. - 9.8304 Std. - - - - - Std. - 10.000 Std. - - - - - - - 10.738635 Std. - - - - - - - 11.000 Std. - - - - - - - 11.046 Std. - - - - - - - 11.0592 Std. - - - - - Std. Std. 11.228 Std. - - - - - - - Oscilent Corporation | 141 - 142 Page 4 of 4 11.520 Std. - - - - - - - 11.98135 Std. - - - - - - - 12.000 Std. - - - - - Std. Std. - - - - - Std. - - 12.096 Std. - - - - - - - 12.288 Std. - - - - - Std. - 13.5168 Std. - - - - - - - 14.31818 Std. - - - - - Std. - 14.690 Std. - - - - - - - 14.7456 Std. - - - - - Std. - 15.000 Std. - - - - - - - 16.000 Std. - - - - - Std. - - - - - - Std. - - 18.000 Std. - - - - - Std. - 18.432 Std. - - - - Std. Std. - 19.6608 Std. - - - - - Std. - 20.000 Std. - - - - - Std. - 22.1184 Std. - - - - - - - 24.000(F) Std. - - - - - Std. - 24.00014 (F) - - - - - Std. - - 35.2512 (OT) - - - - - Std. - - 38.00053 (OT) - - - - - Std. - - 40.32 (OT) - - - - - Std. - - 48.00 (OT) Std. - - - - - - - 49.86 (OT) - - - - - - Std. - Series 12 13 16 17 18 20 32 12.000393 16.000312 FREQUENCY (MHz) LOAD (pF) F = Fundamental | OT = 3RD Overtone NOTE: Other frequencies and load capacitance available. 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