Quartz Crystal · HC49/U-SMC
SMD Crystal Version · 17.5 x 10.8 mm
RoHS
■
■
■
available for developed frequencies only
SMD version
reflow soldering temperature: 260 °C max.
2002/95/EC
actual size
RoHS compliant
Pb free: pins / pads
General Data
type
Dimensions
S
(HC49/U-SMC)
±0.3
17.5
±0.1
2.4
frequency range
0.92160 / 1.000 MHz ( fund. SL-cut )
1.8432 ~ 40.0 MHz ( fund. AT-cut )
20.0 ~ 105.0 MHz ( 3rd OT AT-cut )
50.0 ~ 175.0 MHz ( 5th OT AT-cut )
70.0 ~ 250.0 MHz ( 7th OT AT-cut )
3 ppm ~ 50 ppm
±0.1
2.0
±0.1
16.0
1.7
pad layout
frequency tolerance at 25 °C
load capacitance CL
shunt capacitance Co
storage temperature
drive level max.
8 pF ~ 32 pF or series
< 7 pF
-55 °C ~ +125 °C
1.0 mW
aging
<
5 ppm first year
in mm
Frequency Stability vs. Temperature
ESR (series resistance Rs)
3 ppm
5 ppm
O
10 ppm
O
30 ppm
50 ppm
100 ppm
frequency
in MHz
vibration ESR max.
ESR typ.
in Ω
800
400
200
50
0 °C ~ +60 °C
-20 °C ~ +70 °C
-40 °C ~ +85 °C
-40 °C ~ +90 °C
-40 °C ~ +105 °C
-40 °C ~ +125 °C
O
mode
in Ω
3000
800
400
150
60
STD.
T1
O
O
0.92 / 1.000
1.8432
fund.- SL
fund.- AT
fund.- AT
•
O
O
•
T4
O
O
O
O
O
O
2.00 ~ 2.999
T2
O
3.00 ~ 3.4999 fund.- AT
3.57 ~ 6.9999 fund.- AT
7.00 ~ 12.999 fund.- AT
13.0 ~ 40.000 fund.- AT
20.0 ~ 105.00 3rd OT - AT
50.0 ~ 175.00 5th OT - AT
T3
20
30
15
standard
available
•
20
10
O
80
35
150
70
Order Information
frequency
load capacitance
in pF
stability at
25 °C
stability vs.
temp. range
SMD
version
type
S
option
Q
SMC
Quartz 0.9216 ~ 250.0 MHz
30 pF standard
12 pF ~ 32 pF
S for series
3 ppm ~ 50 ppm
see table
100 ppm SL-cut
other see table
blank = -20 °C ~ +70 °C
T1 = -40 °C ~ +85 °C
T2 = -40 °C ~ +105 °C
T3 = -40 °C ~ +125 °C
T4 = -40 °C ~ +90 °C
FU = for fundamental frequencies ≥ 20 MHz
3OT = 3rd overtone
5OT = 5th overtone
7OT = 7th overtone
Example: Q 28.0-S-30-30/30-FU-SMC
(Suffix LF = RoHS compliant / Pb free pins)
•
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