View the Part Number Specific Data Sheet for full specifications

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