C A L I B E R
Electronics Inc.
PART NUMBERING GUIDE
Lead-Free
RoHS Compliant
AWS145 Series
32.768kHz SMD Watch Crystal
Environmental/Mechanical Specifications on page F5
AWS145 - 32.768kHz - 7
32.768kHz SMD Watch Crystal
7.0(L)X1.4(H)X1.5(W)
Load Capacitance / Blank =
12pF
ELECTRICAL SPECIFICATIONS
Frequency
Frequency Tolerance
Parabolic Curvature Constant
Turnover Temperature
Operating Temperature Range
Storage Temperature Range
Load Capacitance
Resonance Resistance
Q Factor
Drive Level
Motional Capacitance / Shunt Capacitance
32.768kHz
±20ppm Max.
-0.04ppm/(Δ°C)
2
Max.
25°C ±5°C
-40°C to 85°C
-55°C to 125°C
Revision: 2005-C
12.5pF Typical (blank in part numbering) / 7pF denoted –7 as suffix.
65,000 Ohms Max
50,000 Min.
1uWatt Maximum
1.9fF Typ. / 0.8pF Typ.
MECHANICAL DIMENSIONS
Marking Guide
Marking Guide:
Recommended Solder Pad Layout
1.4
0.3
0.6X4
0.15
32C49
32 = Frequency (32.768kHz)
C = Caliber Electronics Inc.
49 = Manufacturing Date Code
4
0.3X4
3
1.2X 4
1.5
5.1
0.55
6.7
0.1
1
7.0
2
Internal Pin Connection
0.2
0.4
0.2
0.4
1
4
0.25
2
3
4
3
0.2
1
2
TEL
949-366-8700
FAX
949-366-8707
WEB
http://www.caliberelectronics.com
CALIBER [ CALIBER ELECTRONICS INC. ]
