Quartz Crystal · MMTF32
Tuning Fork Crystal · 2.0 x 6.0 mm
actual size
■
2 x 6 mm cylinder type
■
32.768 kHz standard
2002/95/EC
RoHS compliant
Pb free
RoHS
General Data
type
frequency
frequency tolerance at 25 °C ± 5 °C
load capacitance C
L
temperature constant (T
C
)
MMTF32
32.768 kHz
± 10 ppm / ± 20 ppm
10 pF / 12.5 pF std. (6 pF ~ 12.5 pF on request)
T
C
= -0.04 · 10
-6
/ °C
2
max.
T
C
= -0.034 · 10
-6
/ °C
2
typical
frequency temperature characteristic
f (ppm) = T
C
· (25 °C - T)
2
T = requested temperature
operating temperature range
shunt capacitance C
o
series resistance max. (ESR)
storage temperature
drive level max.
aging first year
-20 °C ~ +70 °C / -40 °C ~ +85 °C
1.2 pF typical
40.0 kΩ (35.0 / 30.0 kΩ ask if available)
-40 °C ~ +90 °C
1 µW
< ± 5 ppm
Frequency Stability vs. Temperature
-80 ppm
-20 °C ~ +70 °C
-40 °C ~ +85 °C
STD.
T1
-160 ppm
•
•
•
standard
Marking
company code
date code
internal code (optional)
Dimensions
Wave Soldering Profile
bath temperature (°C)
260
200
150
100
50
0
ca. 3.5
°C/s
ca. 2.0
°C/s
ca. 5.0
°C/s
6.0
2.0
±0.2
±0.2
6.5 min.
ø 0.28
±0.05
0.7
±0.2
in mm
20
60
100
140
180
220
time (seconds)
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
PC board
heat isolating material
Order Information
Q
Quartz
frequency
type
load capacitance
stability at
25 °C
20 = ± 20 ppm
10 = ± 10 ppm
option
0.032768 MHz
MMTF32
6 pF ~ 12.5 pF
10.0 pF Std.
12.5 pF Std.
blank = -20 °C ~ +70 °C
T1 = -40 °C ~ +85 °C
Example: Q 0.032768-MMTF32-12.5-20-LF
(Suffix LF = RoHS compliant / Pb free pads)
Jauch Quartz GmbH
•
e-mail: info@jauch.de
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
081211-41-72
微控制器 MCU
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