PART NUMBER DATA SHEET E1WSDA12-32.768K REGULATORY COMPLIANCE 2011/65 + 2015/863 ECLIPTEK R CORPORATION (Data Sheet downloaded on Jun 28, 2016) 168 SVHC ITEM DESCRIPTION Watch Crystal Resonator 3.7mm x 7.9mm x 2.5mm 4 Pad Plastic 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 -0.034 ± 0.006 (ppm/(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 (C0) 1.35pF Typical Motional Capacitance 3.0fF Typical Equivalent Series Resistance 50,000 Ohms Maximum Mode of Operation Fundamental Drive Level 1µWatt Maximum Crystal Cut Tuning Fork Storage Temperature Range -55°C to +125°C Insulation Resistance 500 Megaohms Minimum (Measured at 100Vdc) www.ecliptek.com | Specification Subject to Change Without Notice | Revision C 05/28/2013 | Page 1 of 3 Ecliptek Corporation 3545 Cadillac Ave., Costa Mesa, CA 92626 1-800-ECLIPTEK or 714.433.1200 ECLIPTEK PART NUMBER DATA SHEET R CORPORATION E1WSDA12-32.768K MECHANICAL DIMENSIONS (all dimensions in millimeters) 3.70 ±0.10 2.50 MAX 0.90 ±0.20 (X4) Pad Connections 1 MARKING ORIENTATION 7.90 ±0.10 4 4 1 PIN CONNECTION 1 Crystal 2 No Connect to Pin 3 3 No Connect to Pin 2 4 Crystal LINE MARKING 5.50 ±0.15 1 2 3 3 XXXXXX XXXXXX=Ecliptek Manufacturing Identifier 2 0.50 ±0.15 (X4) Suggested Solder Pad Layout All Dimensions in Millimeters 2.25 (X4) 1.50 (X4) Solder Land (X4) 4.00 0.70 All Tolerances are ±0.1 www.ecliptek.com | Specification Subject to Change Without Notice | Revision C 05/28/2013 | Page 2 of 3 Ecliptek Corporation 3545 Cadillac Ave., Costa Mesa, CA 92626 1-800-ECLIPTEK or 714.433.1200 ECLIPTEK PART NUMBER DATA SHEET R CORPORATION E1WSDA12-32.768K Recommended Solder Reflow Methods Low Temperature Infrared/Convection 230°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 230°C Maximum 230°C Maximum 2 Times 10 Seconds Maximum 2 Times 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 device leads only.) High Temperature Manual Soldering 260°C Maximum for 5 Seconds Maximum, 2 times Maximum. (Temperatures shown are applied to device leads only.) www.ecliptek.com | Specification Subject to Change Without Notice | Revision C 05/28/2013 | Page 3 of 3 Ecliptek Corporation 3545 Cadillac Ave., Costa Mesa, CA 92626 1-800-ECLIPTEK or 714.433.1200