E3WSDC12-32.768K (Data Sheet downloaded on Feb 14, 2020) REGULATORY COMPLIANCE 2011/65 + 191 SVHC 2015/863 ITEM DESCRIPTION Watch Crystal Resonator 1.2mm x 2.0mm x 0.6mm 2 Pad Ceramic Surface Mount (SMD) 32.768KHz 20ppm at 25C 12.5pF Parallel Resonant ELECTRICAL SPECIFICATIONS Nominal Frequency 32.768KHz Frequency Tolerance 20ppm at 25C Frequency Stability Temperature -0.04ppm/(Change in C) Maximum Coefficient Turn over Temperature 25C 5C Aging at 25C 3ppm/year Maximum Operating Temperature Range -40C to +85C Load Capacitance 12.5pF Parallel Resonant Shunt Capacitance 1.3pF Typical, 1.5pF Maximum Motional Capacitance 6.4fF Typical Equivalent Series Resistance 80,000 Ohms Maximum Mode of Operation Fundamental Drive Level 0.5Watt Maximum Crystal Cut Tuning Fork Storage Temperature Range -40C to +85C Insulation Resistance 500 Megaohms Minimum (Measured at 100Vdc) ENVIRONMENTAL & MECHANICAL SPECIFICATIONS Fine Leak Test MIL-STD-883, Method 1014, Condition A Gross Leak Test MIL-STD-883, Method 1014, Condition C Mechanical Shock MIL-STD-202, Method 213, Condition C Resistance to Soldering Heat MIL-STD-202, Method 210, Condition K Solderability MIL-STD-883, Method 2003 Vibration MIL-STD-883, Method 2007, Condition A www.ecliptek.com Specification Subject to Change Without Notice Revision A 05/19/2016 Page 1 of 4 Ecliptek, LLC 5458 Louie Lane, Reno, NV 89511 1-800-ECLIPTEK or 714.433.1200MARKING ORIENTATION E3WSDC12-32.768K MECHANICAL DIMENSIONS (all dimensions in millimeters) PIN CONNECTION 1.20 0.525 1 Crystal 0.10 0.100 2 Crystal (X2) 1 LINE MARKING 1 XXXXXXXX 2.05 1.00 XXXXXXXX=Ecliptek 0.10 0.10 Manufacturing Code 2 0.60 MAX 1.000.10 Seam Sealed Terminal Plating Thickness: Gold (0.3 to 1.0m) over Nickel (3.0 to 4.0m). Suggested Solder Pad Layout All Dimensions in Millimeters 1.25 (X2) Solder Land (X2) 0.50 1.00 (X2) All Tolerances are 0.1 www.ecliptek.com Specification Subject to Change Without Notice Revision A 05/19/2016 Page 2 of 4 Ecliptek, LLC 5458 Louie Lane, Reno, NV 89511 1-800-ECLIPTEK or 714.433.1200