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+44 1460 256 100
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20 Sep 2001
Watch Crystals
GWX
Option
Codes
ACTUAL SIZE
3.10
8.20
(max)
9.00
(min)
1.10
0.35
0.70
0.26
9.00
(min)
6.20
(max)
2.10
1.50
5.10
(max)
4.00
(min)
0.45
0.15
GWX-38
GWX-26
GWX-15
Features
Low cost
Range of tolerances
Excellent ageing characteristics
Miniature size for high density applications
Large stocks of popular models
38
26
15
Variant
Parameters
Product name + variant + option codes (if any)
+ circuit condition (if non-standard)
eg:
GWX-38
20ppm (standard)
GWX-26/A 8.0pF
15ppm 8.0pF
Option code X (eg GWX-38/X) denotes a custom specification.
Ordering Information
Standard.
Optional - Please specify required code(s) when ordering
Scale 3:1
Specifications
GWX-38: 3.1 x 8.2mm cylindrical package
GWX-26: 2.1 x 6.2mm cylindrical package
GWX-15: 1.5 x 5.1mm cylindrical package
Package:
3.1 x 8.2mm cylinder
2.1 x 6.2mm cylinder
1.5 x 5.1mm cylinder
Frequency:
32.768kHz
Calibration tolerance:
20ppm
B
15ppm
A
10ppm
D
5ppm
E
Operating temperature range:
-10 to +60C
-40 to +85C
I
Turnover temperature (T
0
):
+25C 5C
Frequency / temp coefficient:
-0.038ppm/C
2
typ
Circuit condition:
12.5pF
8.0pF
6.0pF
specify
Other values
specify
Static capacitance (C
0
): 1.6pF typ
1.35pF typ
1.0pF typ
Equivalent series resistance (max):
35k
40k
70k
(option I)
80k
(option I)
Ageing (first year):
1ppm typ, 3ppm max
Drive level:
1.0W max
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