HC-49USX Cost effective Low profile Pb Free/RoHS Compliant MSL 1 Quartz Crystal The HC-49USX is the low profile resistance weld type Thru Hole quartz crystal. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Frequency Range Frequency Tolerance Frequency Stability ref @ 25C Shunt Capacitance Load Capacitance (CL) Drive Level Operating Temperature Storage Temperature Aging (First Year) HC-49USX CONDITIONS MIN fo 3.57 at +25C Standard -10 to +70C Co Specify in P/N 10 Standard -10 -55 @ +25C 3C UNITS TYP MAX 20 70.000 30 50 7 Series 500 +70 +125 5 MHz ppm ppm pF pF W C C ppm EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION FREQUENCY RANGE (MHz) MODE OF OSC MAX ESR FREQUENCY RANGE (MHz) MODE OF OSC MAX ESR 3.57 ~ 3.999 Fundamental 200 9.000 ~ 12.999 Fundamental 60 4.000 ~ 4.999 Fundamental 150 13.000 ~ 19.999 Fundamental 40 5.000 ~ 5.999 Fundamental 120 20.000 ~ 30.000 Fundamental 30 6.000 ~ 6.999 Fundamental 100 27.000 ~ 70.000 3rd Overtone 100 7.000 ~ 8.999 Fundamental 80 PACKAGE DIMENSIONS (mm) Height "H" MAX -4X -4LX 3.5 mm 2.5 mm Figure 1) Side and Top views Figure 2) HC-49USX (-4X-3IL) 3rd In Line Lead Base Side, Bottom and End View. PART NUMBERING GUIDE: Example ECS-200-20-4X 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 Tolerance 4X = 3.5 mm 4LX = 2.5 mm 4X-3IL =3rd A= 25 ppm J= 20 ppm R= 15 ppm In Line Lead Base C= 10 ppm Olathe, KS 66062 z Phone: 913.782.7787 Stability D= 100 ppm E= 50 ppm G= 30 ppm H= 25 ppm T= 20 ppm W= 15 ppm K= 10 ppm z Temp Range L= -10 ~ +70C M= -20 ~ +70C N= -40 ~ +85C P= -40 ~ +105C S= -40 ~ +125C U= -55 ~+125C Fax: 913.782.6991 z www.ecsxtal.com