
T he pulse of prog ress
Jauch Quartz GmbH
Telephone: (+49) 77 20 / 9 45-0
Telefax: (+49) 77 20 / 9 45-100
Internet: wwwjauch.de
e-mail: hcj@jauch.de
05/2001
SMQ series MG3A
actual size
surface mount crystal
features
I
goodheat resistance characteristics
I
extendedtemperature range
option table:
FUND –
BT
3 OT
T1
T3
fundamental tone
BT-cut
3rdovertone
-40 °C~ +85 °C
-40 °C~ +125 °C
–
–
–
–
type
MG3A
frequency
3.579545 ~ 33,8 MHz (fundamental AT-cut)
30.0 ~ 91.1 MHz (3rdovertone AT-cut)
30.0 ~ 40.0 MHz (fundamental BT-cut)
frequency toerance at 25 °C
±50 ppm
±50 ppm
±50 ppm
frequency temp characteristic
±50 ppm
±100 ppm
±150 ppm
operating temperature
-20 °C~ +70 °C
-40 °C~ +85 °C
-40 °C~ +125 °C
storage temperature
-40 °C~ +125 °C
-40 °C~ +125 °C
-40 °C~ +125 °C
loadcapacitance C
L
12 pF ~ 32 pF / series
12 pF ~ 32 pF / series
12 pF ~ 32 pF / series
shunt capacitance C
O
< 5 pF
< 5 pF
< 5 pF
drive level max.
100 μW
100 μW
100 μW
aging
< ±5 ppm
< ±5 ppm
< ±5 ppm
date code
Jan Febr. Mar. Apr.
May June Juy Aug. Sept. Oct.
Nov. Dec.
1999
a
b
c
d
e
f
g
h
j
k
l
m
2000
n
p
q
r
s
t
u
v
w
x
y
z
2001
A
B
C
D
E
F
G
H
J
K
L
M
2002
N
P
Q
R
S
T
U
V
W
X
Y
Z
order information example:
Q- 16.0 - MG3A- 30 - 50 / 100 - T1
1.
2.
3.
4.
5.
6.
7.
1. quartz:
2. frequency:
3. type:
4. loadcapacitance:
5. frequency stablity at 25 °C
6. frequency vs temperature:
7. special requrement:
Q
16.0 MHz
MG3A
30 pF
±50 ppm
±100 ppm
-40 °C~ +85 °C(see optiontabe)
example:
16 a 00 J n
date code / internal code
company code
loadcapacitance code (T= 3rdOT)
frequency inMHz (4 dgits max.)
marking:
frequency wthC
L
code / company code / date code