Quartz Crystal · MTF38

Quartz Crystal · MTF38
Pin Type Crystal · 3.0 x 8.9 mm
RoHS
2002/95/EC
■ wave soldering temperature: 260 °C max.
■ 3 x 8 mm cylinder type
actual size
RoHS compliant
General Data
ESR (series resistance Rs)
type
MTF38
frequency range
3.50 ~ 40.0 MHz
(fund. AT-cut)
30.0 ~ 48.0 MHz
(3rd OT. AT-cut; ask, if higher frequencies are available)
frequency
vibration
ESR max.
ESR typ.
in MHz
mode
in Ω
in Ω
3.50 ~ 3.6999
fund.- AT
180
80
frequency tolerance at 25 °C
± 15 ppm ~ ± 30 ppm
3.70 ~ 4.0999
fund.- AT
150
60
load capacitance CL
12 pF ~ 32 pF or series
4.10 ~ 5.9999
fund.- AT
120
40
shunt capacitance Co
< 5 pF
6.00 ~ 9.9999
fund.- AT
70
30
storage temperature
-40 °C ~ +90 °C
10.0 ~ 13.999
fund.- AT
50
20
drive level max.
500 µW
14.0 ~ 40.000
fund.- AT
40
15
aging
< ± 5 ppm first year
30.0 ~ 48.000
3rd OT - AT
100
80
(100 µW recommended)
Frequency Stability vs. Temperature
-20 °C ~ +70 °C
STD.
-40 °C ~ +85 °C
T1
•
O
Marking
± 20 ppm
± 30 ppm
O
•
O
frequency with
± 50 ppm
Jan. Febr. Mar. Apr. May June July Aug. Sept. Okt. Nov. Dec.
load capacitance code
company code / date code
•
standard
available
2011 2015
a
b
c
d
e
f
g
h
j
k
l
m
2012 2016
n
p
q
r
s
t
u
v
w x
y
z
2013 2017
A
B
C
D
E
F
G
H
J
2014 2018
N P
Q R
S
T
U
V W X
K
L M
Y
Z
Load Capacitance Codes
Dimensions
8.0 min.
ø 0.3
3.0 max.
1.1
8.9 max.
in mm
7 pF: m
13 pF: v
20 pF: c
32 pF: e
8 pF: k
14 pF: x
22 pF: g
series: s
9 pF: n
15 pF: j
24 pF: d
10 pF: h
16 pF: b
25 pF: r
11 pF: l
17 pF: t
27 pF: w
12 pF: a
18 pF: f
30 pF: .
T: 3rd OT
example 4.0 MHz / 12 pF: 4a000
Mounting
Mounting: if the crystal should be mounted vertically to your board (see picture), do not directly
solder the metal can. The crystal may be overheated by the direct heat flow.
Please use glue (hot-melt adhesive) or mechanical clamping to fasten the metal can.
crystal
glue
PC board
heat isolating material
Order Information
Q
frequency
type
Quartz
3.50 ~ 48.0 MHz
MTF38
load capacitance
in pF
30 pF standard
12 pF ~ 32 pF
S for series
stability at
25 °C
30 = ± 30 ppm std
option
stability vs.
temp. range
see table
blank =
T1=
FU =
3OT =
-20 °C ~ +70 °C
-40 °C ~ +85 °C
for fundamental frequencies ≥ 20 MHz
3rd overtone
Example: Q 30.0-MTF38-30-30/30-FU
Jauch Quartz GmbH • e-mail: [email protected]
full data can be found under: www.jauch.de / www.jauch.co.uk / www.jauch.fr / www.jauchusa.com
All specifications are subject to change without notice
200911-18