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Q-25.0-SMU4-18-30 Datasheet
(SMU4 Series) Surface Mount Quartz Crystal
Jauch Quartz GmbH
Jauch Quartz GmbH


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Q-25.0-SMU4-18-30 pdf
actual size SMQ series SMU4
surface mount quartz crystal
features
s wide frequency range
s extended temperature range
omtype
.cfrequency
frequency tolerance at 25 °C
Ufrequency temp. characteristic
t4operating temperature
storage temperature
eload capacitance CL
eshunt capacitance CO
drive level max.
haging
SMU4 (HC49/U4H - SMD)
3.579545 MHz ~ 25 MHz fundamental AT-cut
27.0 MHz ~ 50.0 MHz 3rd overtone AT-cut
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 50 ppm standard
± 100 ppm
-20 °C ~ +70 °C
-40 °C ~ +85 °C
-40 °C ~ +90 °C
-40 °C ~ +90 °C
12 pF ~ 30 pF / series
12 pF ~ 30 pF / series
< 7 pF
< 7 pF
100 µ W
100 µ W
< ± 5 ppm
< ± 5 ppm
Sorder information example:
taQ - 25.0 - SMU4 - 30 - 30 / 50 - BT
1. 2. 3. 4. 5. 6. 7.
a1. quartz:
2. frequency:
.D3. type:
4. load capacitance:
5. frequency stability at 25 °C:
6. frequency vs temperature:
w7. special requirement:
Q
25.0 MHz
SMU4
30 pF
± 50 ppm
± 50 ppm
BT-cut (see option table)
option table:
FUND fundamental tone
BT BT-cut
3 OT 3rd overtone
T1 -40 °C ~ +85 °C
24.0 MHz ~ 40.0 MHz
fundamental BT-cut
± 50 ppm
+10/-100 ppm
-20 °C ~ +70 °C
-40 °C ~ +90 °C
12 pF ~ 30 pF / series
< 7 pF
100 µ W
< ± 5 ppm
ww .comdate code
Jan. Febr. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
t4U1999 a b c d e f g h j k l m
e2000 n p q r s t u v w x y z
e2001 A B C D E F G H J K L M
taSh2002 N P Q R S T U V W X Y Z
marking:
frequency with CL code / company code / date code / internal code
example:
25 a 00 J n
date code / internal code
company code
load capacitance code (T = 3rd OT)
frequency in MHz (4 digits max.)
www.DaThe pulse of progress

Q-25.0-SMU4-18-30 Datasheet PDF



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