C A L I B E R
E l e c t r o n i c s I n c .
AWT Series
Through Hole Tuning Fork Crystals
Lead-Free
RoHS Compliant
ELECTRICAL SPECIFICATIONS
Frequency
Environmental/Mechanical Specifications on page F5
Revision: 1994-D
32.768kHz (All Packages)
20.000kH to 200.000kHz (AWT2 Package Only)
Frequency Tolerance
±20ppm Max. (32.768kHz .. All packages)
±20ppm Max. (20.000kHz to 200.000kHz ±30ppm Max.)
-0.04ppm/(Δ°C)2 Max.
Parabolic Curvature Constant
Turnover Temperature
25°C ±5°C
Temperature Coefficient /
Frequency Stability
-0.034 ±0.006ppm/(°C2)x2
Operating Temperature Range
Storage Temperature Range
Load Capacitance
-10°C to 60°C
-40°C to 85°C
12.5pF or 6pF
Frequency Stability
-.034±0.006ppm / (25-T)x2
Resistance
AWT Series
AWT2 Series
AWT3 Series
30,000 Ohms Max
40,000 Ohms Max
40,000 Ohms Max
Q Factor
50,000 Min.
Drive Level
1μWatt Maximum
Shunt Capacitance
AWT=1.60pF Typ., AWT2=1.35pF Typ., AWT3=1.00pF Typ.
AWT=3.5fF Typ., AWT2=3.0fF Typ., AWT3=2.5fF Typ.
Motional Capacitance
MECHANICAL DIMENSIONS
Marking Guide
Frequency ONLY due to real estate
constraints.
D
A
B
E
C
All Dimensions in mm.
Package
A
B
C
D
E
AWT
1.0mm ±0.2mm
3.1mm MAX
2.0mm MAX
1.5mm MAX
8.3mm MAX
6.0mm MAX
5.0mm MAX
8.8mm MIN
0.3mm TYP
AWT2
AWT3
0.6mm TYP
5.0mm MIN
5.0mm MIN
0.2mm TYP
0.45mm TYP
0.17mm TYP
TEL 949-366-8700
FAX 949-366-8707
WEB http://www.caliberelectronics.com