Maxon SD170EX Series - Reference Crystal; Enviromental; Dimensions

Service Manual SD170EX Series
Page 12 of 38
Reference Crystal
VHF UHF
Model Series
SD-171EX
SD-174EX
Frequency
12.8MHz
Type
DV-5-2.5H1
Temperature
Characteristic
±2.5 ppm from -30° C to +60° C
Aging Rate
< 2 ppm/ year in 1st year
< 1 ppm/ year thereafter
Enviromental
VHF
UHF
Model Series :
SD-171EX SD-174EX
Temperature (deg C)
Operating
Storage
-30° to +60° C Degradation Specified @ Extreme condition
-40° to +80° C
ESD
20 KV
 Due to continuing research and development the company reserves the right to alter
these specifications without prior notice.
Dimensions
Dimensions: 122mm (L) x 62mm (W) x 35mm (D)
Fig 3. Dimensions
R
R
R
e
e
e
f
f
f
e
e
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r
r
r
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e
e
n
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X
X
X
t
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a
a
a
l
l
l
,
,
,
D
D
D
i
i
i
m
m
m
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e
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n
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s
s
s
i
i
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o
o
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S
S
S
p
p
p
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c
c
c
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