actual size
SMQ series • MG3A
surface mount crystal
features
s
good heat resistance characteristics
s
extended temperature range
type
frequency
MG3A
3.579545 ~ 33,8 MHz
30.0 ~ 91.1 MHz
30.0 ~ 40.0 MHz
(fundamental AT-cut)
(3rd overtone AT-cut)
(fundamental BT-cut)
± 50 ppm
± 150 ppm
-40 °C ~ +125 °C
-40 °C ~ +125 °C
12 pF ~ 32 pF / series
< 3 pF
100 µ W
< ± 5 ppm
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
± 50 ppm
-20 °C ~ +70 °C
-40 °C ~ +125 °C
12 pF ~ 32 pF / series
< 3 pF
100 µ W
< ± 5 ppm
± 50 ppm
± 100 ppm
-40 °C ~ +85 °C
-40 °C ~ +125 °C
12 pF ~ 32 pF / series
< 3 pF
100 µ W
< ± 5 ppm
order information example:
Q - 16.0 - MG3A - 30 - 50 / 100 - T1
1.
1.
2.
3.
4.
5.
6.
7.
option table:
• FUND – fundamental tone
• BT
• 3 OT
• T1
• T3
– BT-cut
– 3rd overtone
– -40 °C ~
+85 °C
– -40 °C ~ +125 °C
2.
3.
4.
5.
6.
7.
quartz:
frequency:
type:
load capacitance:
frequency stability at 25 °C:
frequency vs temperature:
special requirement:
Q
16.0 MHz
MG3A
30 pF
± 50 ppm
± 100 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
example:
16 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 • MG3A
dimensions
2.4
1.6
#1
#2
pad layout
3.0
1.2
3.4
1.6
#1
#2
Terminals
# 1 - # 4 X-tal
# 2 - # 3 GND
5.0
5.0
#4
#3
9.4
13.1
#4
2.0
6.7
#3
top view
side view
bottom view
top view
in mm
taping specification
1.75
±0.3
ø 1.5
±0.1
2.0
±0.1
4.0
±0.1
0.3
±0.1
test conditions:
a) acceleration:
1000 g /0.5 ms, 1/2 sine wave
b) shock (random drop): height 75 cm, 3 times to hardwood surface
(∆R/R
≤
20%;
∆f/f ≤
± 5 ppm)
c) vibration:
f = 10 Hz ~ 55 Hz; amplitude = 1.5 mm;
period = about 1 minute; time = 2 h each direction
d) solderability:
according to DIN 68-2-54
24.0
±0.3
11.5
±0.1
13.4
±0.3
6.0
±0.2
8.0
±0.2
ø 2.2
±0.2
5.5
±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
series resistance (Rs) / motional capacitance (C
1
) 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 ~ 33.8
30.0 ~ 40.0
30.0 ~ 91.1
cut
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
3rd OT
Rs max.
in
Ω
180
150
150
130
120
120
80
75
70
50
50
50
50
50
50
50
100
Rs typ.
in
Ω
60 ~80
50 ~ 70
50 ~ 70
40 ~ 60
40 ~ 60
35 ~ 55
25 ~ 45
20 ~ 40
15 ~ 35
15 ~ 35
C
1
typ.
in fF
2.5 ~ 5.5
3.0 ~ 3.4
3.0 ~ 3.4
2.9 ~ 3.5
3.9 ~ 4.2
3.2 ~ 3.6
3.2 ~ 3.6
5.9 ~ 7.0
6.0 ~ 8.0
6.5 ~ 8.5
reflow
preheating
150
±10
cooling
60 - 120
20
10
20
70 ~ 100 2.5 ~ 5.5
time (seconds)
10 ~ 15 9.2 ~ 11.2
10 ~ 15 9.2 ~ 11.2
10 ~ 15 9.2 ~ 11.2
10 ~ 15 10.0 ~ 13.5
10 ~ 15 10.0 ~15.0
80
0.8 ~ 2.5
The pulse of progress
Quartz Crystals
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