R PART NUMBER DATA SHEET ECLIPTEK CORPORATION E1SAA18-20.120M TR 2011/65 + SVHC 163 2015/863 Jun 15, 2015 ITEM DESCRIPTION Quartz Crystal Resonator HC49/UP Short 2 Pad Surface Mount (SMD) 3.2mm Height Metal Resistance Weld Seal 20.120MHz 50ppm at 25C, 100ppm over 0C to +70C 18pF Parallel Resonant ELECTRICAL SPECIFICATIONS Nominal Frequency 20.120MHz Frequency Tolerance/Stability 50ppm at 25C, 100ppm over 0C to +70C Aging at 25C 5ppm/year Maximum Load Capacitance 18pF Parallel Resonant Shunt Capacitance 7pF Maximum Equivalent Series Resistance 50 Ohms Maximum Mode of Operation AT-Cut Fundamental Drive Level 1mWatt Maximum Storage Temperature Range -40C to +125C Insulation Resistance 500 Megaohms Minimum (Measured at 100Vdc) ENVIRONMENTAL & MECHANICAL SPECIFICATIONS ESD Susceptibility MIL-STD-883, Method 3015, Class 1, HBM: 1500V Fine Leak Test MIL-STD-883, Method 1014, Condition A Flammability UL94-V0 Gross Leak Test MIL-STD-883, Method 1014, Condition C Mechanical Shock MIL-STD-202, Method 213, Condition C Moisture Resistance MIL-STD-883, Method 1004 Moisture Sensitivity J-STD-020, MSL1 Resistance to Soldering Heat MIL-STD-202, Method 210, Condition K Resistance to Solvents MIL-STD-202, Method 215 Solderability MIL-STD-883, Method 2003 Temperature Cycling MIL-STD-883, Method 1010, Condition B Vibration MIL-STD-883, Method 2007, Condition A www.ecliptek.com Specification Subject to Change Without Notice Revision G 10/08/2012 Page 1 of 5 Ecliptek Corporation 3545 Cadillac Ave., Costa Mesa, CA 92626 1-800-ECLIPTEK or 714.433.1200R PART NUMBER DATA SHEET ECLIPTEK CORPORATION E1SAA18-20.120M TR MECHANICAL DIMENSIONS (all dimensions in millimeters) LINE MARKING 1 E20.120M E=Ecliptek Designator 3.20 MAX 13.30 MAX 4.85 MAX 4.88 0.20 0.50 MIN (x2) 0.80 0.30 (x2) 11.60 MAX NOTE: Coplanarity 0.360 MAX Suggested Solder Pad Layout All Dimensions in Millimeters 5.5 (X2) 2.0 (X2) 4.0 Solder Land (X2) All Tolerances are 0.1 www.ecliptek.com Specification Subject to Change Without Notice Revision G 10/08/2012 Page 2 of 5 Ecliptek Corporation 3545 Cadillac Ave., Costa Mesa, CA 92626 1-800-ECLIPTEK or 714.433.1200