HC-49US, Thru-Hole Type Resistance Weld Crystal Notebook PC Portable PC Applications: Metal Welded Package RoHS/REACH Compliant High Shock Resistance Excellent Frequency Aging Stability High Heat Resistance FEATURES MODE / CUT AND EQUIVALENT SERIES RESISTANCE ( Ω ) Mode Max ESR (Ω) Frequency (MHz) Fundamental/AT 200 3.200 ~ 3.685 Fundamental/AT 150 3.686 ~ 4.999 Fundamental/AT 80 5.000 ~ 9.999 Fundamental/AT 40 10.000 ~ 13.999 Fundamental/AT 30 14.000 ~ 40.000 3rd overtone/AT 100 24.000 ~ 29.999 3rd overtone/AT 80 30.000 ~ 49.999 3rd overtone/AT 60 50.000 ~ 90.000 H (mm) MODEL 3.6 ± 0.2 AS49S 2.7 ± 0.2 AS49SS SPECIFICATION Storage Temperature Range Operating Temperature Range Environmental Condition Frequency Stability (Ref to 25°C) Frequency Tolerance (25°C) Frequency Range (3rd overtone) Frequency Range (Fundamental) ppm/Year °C °C ppm ppm MHz Frequency Aging Test Circuit Electrical Specifications Equivalent Series Resistance Drive Level Ω Insulation Resistance Shunt Capacitance (Co) pF uW Load Capacitance (CL) pF ± 3 Max - 55 to + 125 - 40 to +85 or Specify ± 10 ~ ± 50 ± 10 ~ ± 50 24.000 ~ 90.000 3.200 ~ 40.000 S&A 350A with π Fixture see table 10, 50, 100, 500 More than 500MΩ at DC 100V 5.0 (Max) 8pF ~ Series (Customer Specified) AS49S / AS49SS / AS49SSS MODEL Frequency Date Code ASN25.00A1 MARKING RULE 13.2±0.5 0.43±0.05 4.88±0.25 11.5±0.2 11.5±0.2 5.0±0.2 H AS49S / AS49SS / AS49SSS DIMENSION ( mm ) www.ANSENQUARTZ.com [email protected] All specifications are subject to change without prior notice. Ansen Quartz CO., Ltd.