Tuning Fork
Crystals
NC38
ValpeyFisher offers state
of the art technology in
tuning fork
crystals for
microprocessors,
computers,
peripheral
clocks
, watches,
instruments and other
time management
products.
The standard Watch
Crystal at 32.768 kHz is available in miniature and sub-miniature packages.
Other frequencies
for 20 kHz to 1 MHz are available in sub-miniature packages.
Features:
Rugged Cold Weld
Long Term Stability
Low Cost
Options:
Tape & Reel
Parameter
Unit
Condition
Min
Typ
Max
Frequency
Range
kHz
32.768
Frequency
Tolerance
ppm
25C,
CL=12.5pF
-20
+20
Frequency
Stability(K)
ppm/
(
C)
2
Temperature
Coefficient
-0.04
Temperature
Range:
Turnover
Operating
Storage
+20
-10
-20
+25
+30
+60
+70
Equivalent
Series
Resistance
(ESR)
k
30
50
Insulation
Resistance
M
100 VDC
100
Drive Level
W
1.0
Aging
ppm
Per
Year
25C
-3.0
+3.0
Standard Specifications
NC38
ValpeyFisher Corp
. 75 South Street Hopkinton MA 01748 800 982 5737 fax: 508 435 5289
www.valpeyfisher.com
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