HC-49USSX 2.1 mm Height Industry Std. Footprint Pb Free/RoHS Compliant Low Profile Crystal OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS HC-49USSX CONDITIONS Frequency Range Frequency Tolerance Frequency Stability Shunt Capacitance Load Capacitance Drive Level Operating Temperature Storage Temperature Aging (Per Year) MIN TYP MAX 20 50.000 ± 30 ± 50 5 Series 500 +70 +105 ±5 3.57 at +25°C -10 to +70°C Specify in P/N 10 -10 -40 @ +25°C ±3°C UNITS 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 ~ 4.999 Fundamental 150 13.000 ~ 19.999 Fundamental 50 5.000 ~ 5.999 Fundamental 120 20.000 ~ 30.000 Fundamental 40 6.000 ~ 6.999 Fundamental 100 26.000 ~ 39.999 3rd Overtone 100 7.000 ~ 8.999 Fundamental 80 40.000 ~ 50.000 3rd Overtone 80 9.000 ~ 12.999 Fundamental 60 DIMENSIONS (mm) Figure 1) Top, Side and Bottom views PART NUMBERING GUIDE: Example ECS-200-20-4VX ECS - Frequency Abbreviation - Load Capacitance 200 = 20.000 MHz See P/N Guide 1105 South Ridgeview Road - Package 20 =20 pF S=Series z Olathe, KS 66062 4VX = HC-49USSX z Phone: 913.782.7787 z Fax: 913.782.6991 z www.ecsxtal.com Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: ECS: ECS-245.7-20-4V ECS-120-32-4V ECS-35-18-4V ECS-143-20-4V ECS-184-20-4V ECS-100-20-4V ECS-160-204V ECS-270-20-4V ECS-250-20-4V ECS-200-20-4V ECS-240-20-4V ECS-120-18-4V ECS-110.5-20-4V ECS-6020-4V ECS-40-20-4V ECS-80-20-4V ECS-36-20-4V ECS-147.4-20-4V ECS-122.8-20-4V ECS-98.3-20-4V ECS100-20-4VX ECS-35-18-4VX ECS-80-20-4VX ECS-36-20-4VX ECS-240-20-4VX ECS-160-20-4VX ECS-120-184VX ECS-98.3-20-4VX ECS-143-20-4VX ECS-250-20-4VX ECS-122.8-20-4VX ECS-60-20-4VX ECS-40-20-4VX ECS-270-20-4VX ECS-110.5-20-4VX ECS-184-20-4VX ECS-200-20-4VX