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MTF38 Datasheet, PDF (1/1 Pages) Jauch Quartz Gmbh – Quartz Crystal
Quartz Crystal · MTF38
actual size
General Data
type
frequency range
frequency tolerance at 25 °C
load capacitance CL
shunt capacitance Co
storage temperature
drive level max.
aging
Pin Type Crystal · 3.0 x 8.9 mm
■ wave soldering temperature: 260 °C max.
■ 3 x 8 mm cylinder type
RoHS
2002/95/EC
RoHS compliant
MTF38
3.579545 ~ 40.0 MHz ( fund. AT-cut )
30.0 ~ 91.0 MHz ( 3rd OT. AT-cut )
± 15 ppm ~ ± 30 ppm
12 pF ~ 32 pF or series
< 5 pF
-40 °C ~ +90 °C
500 µW (100 µW recommended)
< ± 5 ppm first year
ESR (series resistance Rs)
frequency vibration ESR max.
in MHz
mode
in Ω
3.57 ~ 3.6999 fund.- AT 180
3.70 ~ 4.0999 fund.- AT 150
4.10 ~ 5.9999 fund.- AT 120
6.00 ~ 9.9999 fund.- AT 70
10.0 ~ 13.999 fund.- AT 50
14.0 ~ 40.000 fund.- AT 40
30.0 ~ 91.000 3rd OT - AT 100
ESR typ.
in Ω
80
60
40
30
20
15
80
Frequency Stability vs. Temperature
-20 °C ~ +70 °C
-40 °C ~ +85 °C
± 20 ppm ± 30 ppm
STD.
O
•
T1
O
• standard
O available
± 50 ppm
•
Marking
frequency with
load capacitance code
company code / date code
Jan. Febr. Mar. Apr. May June July Aug. Sept. Okt. Nov. Dec.
2005 A B C D E F G H J K L M
2006 N P Q R S T U V W X Y Z
2007 a b c d e f g h j k l m
2008 n p q r s t u v w x y z
Dimensions
8.9 max. 8.0 min.
Load Capacitance Codes
7 pF: m
13 pF: v
20 pF: c
8 pF: k
14 pF: x
22 pF: g
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: .
in mm
example 4.0 MHz / 12 pF: 4a000
32 pF: e
series: s
T: 3rd OT
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.
glue
crystal
heat isolating material
PC board
Order Information
Q
frequency
type
load capacitance
in pF
Quartz 3.579545 ~ 91.0 MHz MTF38
30 pF standard
12 pF ~ 32 pF
S for series
Example: Q 30.0-MTF38-30-30/30-FU
stability at
25 °C
30 = ± 30 ppm std
stability vs.
temp. range
see table
option
blank = -20 °C ~ +70 °C
T1= -40 °C ~ +85 °C
FU = for fundamental frequencies ≥ 20 MHz
3OT = 3rd overtone
Jauch Quartz GmbH • e-mail: info@jauch.de
full data can be found under: www.jauch.de / www.jauch.fr / www.jauchusa.com
All specifications are subject to change without notice