Jauch Quartz GmbH
Jauch Quartz GmbH


Q-25.0-SMU4-18-30

(SMU4 Series) Surface Mount Quartz Crystal


Q-25.0-SMU4-18-30 Datasheet PDF
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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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SMQ series SMU4
dimensions
12.9±0.3
pad layout
4.4
10.1 max.
top view
11.5±0.2
side view
3.7±0.3
bottom view
5.5 5.5
in mm
taping specification
ø 1.5±0.1
2.0±0.1
4.0±0.1
0.4±0.1
5.0±0.6
8.0±0.2
ø 2.2±0.2
Direction of feed
1000 pcs per reel
3.5±0.2
in mm
series resistance (Rs) / motional capacitance (C1) table
frequency
in MHz
3.5 ~ 3.69
3.7 ~ 3.99
4.0 ~ 4.09
4.1 ~ 4.39
4.4 ~ 4.99
5.0 ~ 5.99
6.0 ~ 6.99
7.0 ~ 7.99
8.0 ~ 9.99
10.0 ~ 11.99
12.0 ~ 13.99
14.0 ~ 15.99
16.0 ~ 17.99
18.0 ~ 19.99
20.0 ~ 25.0
27.0 ~ 50.0
24.0 ~ 40.0
cut vibration Rs max. Rs typ. C1 typ.
mode in in in fF
AT fund 180 70 ~ 100 3.5 ~ 4.0
AT fund 150 60 ~80 4.0 ~ 4.5
AT fund 150 50 ~ 70 4.5 ~ 4.8
AT fund 130 50 ~ 70 4.8 ~ 5.0
AT fund 120 40 ~ 60 5.0 ~ 5.5
AT fund 120 40 ~ 60 5.5 ~ 6.0
AT fund 80 35 ~ 55 6.0 ~ 7.0
AT fund 75 25 ~ 45 7.0 ~ 10
AT fund 70 20 ~ 40 10 ~ 12
AT fund 50 15 ~ 35 12 ~ 14
AT fund 50 15 ~ 35 12 ~ 16
AT fund 50 10 ~ 15 16 ~ 17
AT fund 50 10 ~ 15 18 ~ 20
AT fund 50 10 ~ 15 20 ~ 22
AT fund 50 10 ~ 15 22 ~ 26
BT fund 50 10 ~ 15 10 ~15
AT
3rd OT
100
80 0.8 ~ 2.5
test conditions:
a) acceleration:
b) shock (random drop):
c) vibration:
d) solderability:
1000 g /0.5 ms, 1/2 sine wave
height 75 cm, 3 times to hardwood surface
(R/R 20%; f/f ± 5 ppm)
f = 10 Hz ~ 55 Hz; amplitude = 1.5 mm;
period = about 1 minute; time = 2 h each direction
according to DIN 68-2-58
standard load
capacitance codes
12 pF:
16 pF:
18 pF:
20 pF:
22 pF:
a
b
f
c
g
24 pF:
30 pF:
32 pF:
series:
d
.
e
s
reflow soldering profile
temperature (°C)
235±5
150±10
preheating
reflow
cooling
60 - 120 20 10 20
time (seconds)
The pulse of progress




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