actual size
SMQ series • SMU3
surface mount quartz crystal
features
s
wide frequency range
s
extended frequency range
type
frequency
3.2768 MHz ~ 3.49 MHz
fundamental AT-cut
frequency tolerance at 25 °C
frequency temp. characteristic
operating temperature
storage temperature
load capacitance C
L
shunt capacitance C
O
drive level max.
aging
± 50 ppm
± 100 ppm
-20 °C ~ +70 °C
-40 °C ~ +90 °C
12 pF ~ 30 pF / series
< 5 pF
100 µ W
< ± 5 ppm
SMU3
(HC49/U3H - SMD)
3.579545 MHz ~ 33.8 MHz fundamental AT-cut
30.0 MHz ~ 70.0 MHz 3rd overtone AT-cut
± 30 ppm
± 50 ppm
-20 °C ~ +70 °C
-40 °C ~ +90 °C
12 pF ~ 30 pF / series
< 5 pF
100 µ W
< ± 5 ppm
± 30 ppm
± 100 ppm
-40 °C ~ +85 °C
-40 °C ~ +90 °C
12 pF ~ 30 pF / series
< 5 pF
100 µ W
< ± 5 ppm
27.0 MHz ~ 48.0 MHz
fundamental BT-cut
± 50 ppm
+ 10 / -90 ppm
-20 °C ~ +70 °C
-40 °C ~ +90 °C
12 pF ~ 30 pF / series
< 5 pF
100 µ W
< ± 5 ppm
order information example:
Q - 25.0 - SMU3 - 30 - 30 / 50 - T1
1.
1.
2.
3.
4.
5.
6.
7.
option table:
• FUND – fundamental tone
• BT
• 3 OT
• T1
– BT-cut
– 3rd overtone
– -40 °C ~ +85 °C
2.
3.
4.
5.
6.
7.
quartz:
frequency:
type:
load capacitance:
frequency stability at 25 °C:
frequency vs temperature:
special requirement:
Q
25.0 MHz
SMU3
30 pF
± 50 ppm
± 50 ppm
-40 °C ~ +85 °C (see option table)
date code
Jan. Febr. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
1999
2000
2001
2002
a
n
A
N
b
p
B
P
c
q
C
Q
d
r
D
R
e
s
E
S
f
t
F
T
g
u
G
U
h
v
H
V
j
w
J
W
k
x
K
X
l
y
L
Y
m
z
M
Z
marking:
frequency with C
L
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.)
The pulse of progress
SMQ series • SMU3
dimensions
3.8 max.
12.9
±0.3
4.0 max.
0.3 max.
0.75
±0.2
pad layout
4.4
4.8 max.
10.1 max.
11.5
±0.2
3.7
±0.3
5.5
5.5
top view
side view
bottom view
2.0
in mm
taping specification
1.75
±0.3
ø 1.5
±0.1
2.0
±0.1
4.0
±0.1
0.4
±0.1
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
24.0
±0.3
11.5
±0.1
13.4
±0.3
5.0
±0.6
8.0
±0.2
ø 2.2
±0.2
3.5
±0.2
Direction of feed
1000 pcs per reel
in mm
standard load
capacitance codes
12 pF:
a
b
f
c
g
24 pF:
30 pF:
32 pF:
series:
d
.
e
s
16 pF:
18 pF:
20 pF:
22 pF:
reflow soldering profile
temperature (°C)
235
±5
reflow
series resistance (Rs) / motional capacitance (C
1
) table
frequency
in MHz
3.2 ~ 3.49
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 ~ 33.8
27.0 ~ 40.0
30.0 ~ 70.0
cut
AT
AT
AT
AT
AT
AT
AT
AT
AT
AT
AT
AT
AT
AT
AT
AT
BT
AT
vibration
mode
fund
fund
fund
fund
fund
fund
fund
fund
fund
fund
fund
fund
fund
fund
fund
fund
fund
3rd OT
Rs max.
in
Ω
300
180
150
150
130
120
120
80
75
70
50
50
50
50
50
50
50
100
Rs typ.
in
Ω
200
60 ~80
50 ~ 70
50 ~ 70
40 ~ 60
40 ~ 60
35 ~ 55
25 ~ 45
20 ~ 40
15 ~ 35
15 ~ 35
10 ~ 15
10 ~ 15
10 ~ 15
10 ~ 15
10 ~ 15
80
C
1
typ.
in fF
3.5 ~ 4.0
4.0 ~ 4.5
4.5 ~ 4.8
4.8 ~ 5.0
5.0 ~ 5.5
5.5 ~ 6.0
6.0 ~ 7.0
7.0 ~ 10
10 ~ 12
12 ~ 14
12 ~ 16
16 ~ 17
18 ~ 20
20 ~ 22
22 ~ 26
10 ~15
0.8 ~ 2.5
preheating
150
±10
cooling
60 - 120
20
10
20
time (seconds)
70 ~ 100 3.5 ~ 4.0
The pulse of progress
Quartz Crystals
