HC-49USX Cost effective Low profile Pb Free/RoHS Compliant 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 @ 25°C Shunt Capacitance Load Capacitance (CL) Drive Level Operating Temperature Storage Temperature Aging (First Year) HC-49USX CONDITIONS MIN fo 3.57 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 70.000 ± 30 ± 50 7 Series 500 +70 +125 ±5 MHz ppm ppm pF pF µW °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 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 20 =20 pF S=Series 4X = 3.5 mm 4LX = 2.5 mm 4X-3IL =3rd In Line Lead Base 1105 South Ridgeview Road z 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