EUCA18-3.1872M (Data Sheet downloaded on May 14, 2020) REGULATORY COMPLIANCE 2011/65 + 191 SVHC 2015/863 ITEM DESCRIPTION Quartz Crystal Resonator HC49/U Thru-Hole Metal Resistance Weld Seal 3.1872MHz 50ppm at 25C, 100ppm over -40C to +85C 18pF Parallel Resonant ELECTRICAL SPECIFICATIONS Nominal Frequency 3.1872MHz Frequency Tolerance/Stability 50ppm at 25C, 100ppm over -40C to +85C Aging at 25C 5ppm/year Maximum Load Capacitance 18pF Parallel Resonant Shunt Capacitance 7pF Maximum Equivalent Series Resistance 250 Ohms Maximum Mode of Operation AT-Cut Fundamental Drive Level 2mWatts 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 Lead Integrity MIL-STD-883, Method 2004 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 10/26/2012 Page 1 of 4 Ecliptek, LLC 5458 Louie Lane, Reno, NV 89511 1-800-ECLIPTEK or 714.433.1200EUCA18-3.1872M MECHANICAL DIMENSIONS (all dimensions in millimeters) LINE MARKING 1 ECLIPTEK 2 E3.1872M E=Configuration Designator 12.70 3 XX MIN XX=Ecliptek Manufacturing DIA 0.457 Identifier 0.051(X2) 11.18 MAX 4.88 0.20 13.58 4.70 MAX MAX www.ecliptek.com Specification Subject to Change Without Notice Revision G 10/26/2012 Page 2 of 4 Ecliptek, LLC 5458 Louie Lane, Reno, NV 89511 1-800-ECLIPTEK or 714.433.1200