Quartz Crystal · MMTF32
- Tuning fork crystal · 2.0 x 6.0 mm
- 2 x 6 mm cylinder type
- 32.768 kHz standard
actual size
2011/65/EC
RoHS
RoHS compliant
Pb free
REACH
compliant
Conflict
mineral free
GENERAL DATA
TYPE
frequency
frequency tolerance at 25 °C ± 5 °C
load capacitance C
L
temperature constant (T
C
)
frequency temperature
characteristic
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 ppm / °C
2
max.
T
C
= -0.034 ppm / °C
2
typical
Δf = T
C
· (T
A
- T
TP
)2 in [ppm]
T
A
= actual ambient temperature
T
TP
= 25 °C ± 5 °C
T
TP
= turning point temperature
-20 °C ~ +70 °C / -40 °C ~ +85 °C
1.2 pF typical
40.0 kΩ (35.0 kΩ ask if available)
-40 °C ~ +90 °C
1 µW
< ± 5 ppm first year
TABLE 1: FREQUENCY STABILITY VS. TEMPERATURE
-80 ppm
-160 ppm
-20 °C ~ +70 °C
-40 °C ~ +85 °C
standard
STD.
T1
MARKING
company code
date code
internal code (optional)
operating temperature range
shunt capacitance C
O
series resistance max. (ESR)
storage temperature
drive level max.
aging
DIMENSIONS
6.0
±0.2
2.0
±0.2
WAVE SOLDERING PROFILE
bath temperature (°C)
260
200
150
100
50
0
20
ca. 3.5 °C/s
ca. 2.0 °C/s
ca. 5.0 °C/s
6.0 min.
ø 0.28
±0.05
0.7
±0.2
60 100 140 180 220
time (seconds)
in mm
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
0.032768 MHz
type
MMTF32
load capacitance
in pF
6 pF ~ 12.5 pF
10.0 pF Std.
12.5 pF Std.
tolerance at 25 °C
20 = ±20 ppm
10 = ±10 ppm
option
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)
13032019
Jauch Quartz GmbH • e-mail: info@jauch.de • full data can bedata can be found under:
info@jauch.com
full found under: www.jauch.com
All specifications are subject to change without notice
www.jauch.de | www.jauch.co.uk | www.jauch.fr | www.jauchusa.com
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