ECLIPTEK PART NUMBER DATA SHEET CORPORATION E8WSDC12-32.768K REGULATORY COMPLIANCE R (Data Sheet downloaded on Jun 28, 2016) 2011/65 + 2015/863 168 SVHC ITEM DESCRIPTION Watch Crystal Resonator 1.5mm x 3.2mm x 0.9mm 2 Pad Ceramic Surface Mount (SMD) 32.768KHz ±20ppm at 25°C -40°C to +85°C 12.5pF Parallel Resonant ELECTRICAL SPECIFICATIONS Nominal Frequency 32.768KHz Frequency Tolerance ±20ppm at 25°C Frequency Stability Temperature Coefficient -0.04ppm/(Change in °C)² Maximum Turn over Temperature 25°C ±5°C Aging at 25°C ±3ppm/year Maximum Operating Temperature Range -40°C to +85°C Load Capacitance 12.5pF Parallel Resonant Shunt Capacitance 1.0pF Typical, 1.5pF Maximum Motional Capacitance 4.0fF Typical Equivalent Series Resistance 70,000 Ohms Maximum Mode of Operation Fundamental Drive Level 0.5µWatt Maximum Crystal Cut Tuning Fork Storage Temperature Range -40°C to +85°C 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 I 05/05/2016 | Page 1 of 4 Ecliptek Corporation 3545 Cadillac Ave., Costa Mesa, CA 92626 1-800-ECLIPTEK or 714.433.1200 ECLIPTEK PART NUMBER DATA SHEET R CORPORATION E8WSDC12-32.768K MECHANICAL DIMENSIONS (all dimensions in millimeters) 1.5 ±0.1 1 MARKING ORIENTATION 3.2 ±0.1 0.75 ±0.10 (X2) PIN CONNECTION 1 Crystal 2 Crystal LINE MARKING 1.7 ±0.1 1 XXXXXXXX XXXXXXXX=Ecliptek Manufacturing Identifier 2 0.9 MAX Seam Sealed Terminal Plating Thickness: Gold (0.3 to 1.0µm) over Nickel (3.0 to 4.0µm). Suggested Solder Pad Layout All Dimensions in Millimeters 1.80 (X2) Solder Land (X2) 1.50 1.00 (X2) All Tolerances are ±0.1 www.ecliptek.com | Specification Subject to Change Without Notice | Revision I 05/05/2016 | Page 2 of 4 Ecliptek Corporation 3545 Cadillac Ave., Costa Mesa, CA 92626 1-800-ECLIPTEK or 714.433.1200 ECLIPTEK PART NUMBER DATA SHEET R CORPORATION E8WSDC12-32.768K Recommended Solder Reflow Methods High Temperature Infrared/Convection TS MAX to TL (Ramp-up Rate) Preheat - Temperature Minimum (TS MIN) - Temperature Typical (TS TYP) - Temperature Maximum (TS MAX) - Time (tS MIN) Ramp-up Rate (TL to TP) Time Maintained Above: - Temperature (TL) - Time (tL) Peak Temperature (TP) Target Peak Temperature (TP Target) Time within 5°C of actual peak (tp) Ramp-down Rate Time 25°C to Peak Temperature (t) Moisture Sensitivity Level Additional Notes 3°C/Second Maximum 150°C 175°C 200°C 60 - 180 Seconds 3°C/Second Maximum 217°C 60 - 150 Seconds 260°C Maximum for 10 Seconds Maximum 250°C +0/-5°C 20 - 40 Seconds 6°C/Second Maximum 8 Minutes Maximum Level 1 Temperatures shown are applied to body of device. www.ecliptek.com | Specification Subject to Change Without Notice | Revision I 05/05/2016 | Page 3 of 4 Ecliptek Corporation 3545 Cadillac Ave., Costa Mesa, CA 92626 1-800-ECLIPTEK or 714.433.1200 ECLIPTEK PART NUMBER DATA SHEET R CORPORATION E8WSDC12-32.768K Recommended Solder Reflow Methods Low Temperature Infrared/Convection 245°C TS MAX to TL (Ramp-up Rate) Preheat - Temperature Minimum (TS MIN) - Temperature Typical (TS TYP) - Temperature Maximum (TS MAX) - Time (tS MIN) Ramp-up Rate (TL to TP) Time Maintained Above: - Temperature (TL) - Time (tL) Peak Temperature (TP) Target Peak Temperature (TP Target) Time within 5°C of actual peak (tp) Ramp-down Rate Time 25°C to Peak Temperature (t) Moisture Sensitivity Level Additional Notes 5°C/Second Maximum N/A 150°C N/A 30 - 60 Seconds 5°C/Second Maximum 150°C 200 Seconds Maximum 245°C Maximum 245°C Maximum 2 Times / 230°C Maximum 1 Time 10 Seconds Maximum 2 Times / 80 Seconds Maximum 1 Time 5°C/Second Maximum N/A Level 1 Temperatures shown are applied to body of device. Low Temperature Manual Soldering 185°C Maximum for 10 Seconds Maximum, 2 times Maximum. (Temperatures shown are applied to body of device.) High Temperature Manual Soldering 260°C Maximum for 5 Seconds Maximum, 2 times Maximum. (Temperatures shown are applied to body of device.) www.ecliptek.com | Specification Subject to Change Without Notice | Revision I 05/05/2016 | Page 4 of 4 Ecliptek Corporation 3545 Cadillac Ave., Costa Mesa, CA 92626 1-800-ECLIPTEK or 714.433.1200