HC-49UX Cost effective Excellent Aging "AT" cut crystal Wide frequency range Pb Free/RoHS Compliant Quartz Crystal The HC-49UX is an "AT" cut resistance weld type Thru Hole quartz crystal. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Frequency Range Frequency Tolerance Frequency Stability ref @ 25°C Shunt Capacitance Load Capacitance (CL) Drive Level Operating Temperature Storage Temperature Aging (First Year) HC-49UX CONDITIONS MIN fo 1.800 at +25°C Standard -10 to +70°C Co Specify in P/N 10 Standard -10 -55 @ +25°C ±3°C UNITS TYP MAX 20 100.00 ± 30 ± 50 7 Series 1.0 +70 +125 ±5 MHz ppm ppm pF pF mW °C °C ppm EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION FREQUENCY RANGE (MHz) MODE OF OSC MAX ESR Ω FREQUENCY RANGE (MHz) MODE OF OSC MAX ESR Ω 1.800 ~ 1.999 Fundamental 750 5.000 ~ 5.999 Fundamental 50 2.000 ~ 2.399 Fundamental 500 6.000 ~ 7.999 Fundamental 40 2.400 ~ 2.999 Fundamental 300 8.000 ~ 9.999 Fundamental 35 3.000 ~ 3.199 Fundamental 200 10.000 ~ 12.499 Fundamental 30 3.200 ~ 3.699 Fundamental 120 12.500 ~ 15.999 Fundamental 25 3.700 ~ 4.199 Fundamental 100 16.000 ~ 30.000 Fundamental 20 4.200 ~ 4.899 Fundamental 70 30.000 ~ 100.000 3rd Overtone 40 4.900 ~ 4.999 Fundamental 55 PACKAGE DIMENSIONS (mm) Figure 1) Side and Bottom views PART NUMBERING GUIDE: Example ECS-200-20-1X Custom Options ECS - Frequency Abbreviation - Load Capacitance - Package 200 = 20.000 MHz See P/N Guide 1105 South Ridgeview Road 20 =20 pF S=Series z 1X = HC-49UX Olathe, KS 66062 z Tolerance A= ±25 ppm C= ±10 ppm Stability D= ±100 ppm E= ±50 ppm G= ±30 ppm H= ±25 ppm K= ±10 ppm Phone: 913.782.7787 z Temp Range L= -10 ~ +70°C M= -20 ~ +70°C N= -40 ~ +85°C P= -40 ~ +105°C S= -40 ~ +125°C U= -55 ~+125°C Fax: 913.782.6991 z www.ecsxtal.com