Quartz SMD
Features:
-Low profile available
- Wide frequency range
- Tight tolerance and stability over temperature
- Tape & reel packaging
- 3 pin-version available
Specifications
Frequency range
Frequency tolerance,Ta=25°C
Load capacitance
Temperature tolerance
Temperature range
Drive level
Series resistance
Shunt capacitance
Insulation resistance
Aging
Storage temperature
Operating temperature
Maximum drive level
Recommended drive level
Symbol
f
∆f/f
C
L
∆f/f
T
STG
T
OPR
M
DL
R
DL
R
1
C
0
I
R
∆f
A
HC49USSMD
3.500MHz ~ 40.000MHz
30.000MHz ~ 90.000MHz
±3ppm ~ ±50ppm
5pF ~ 50pF
±3ppm ~ ±50ppm
-40°C ~ +105°C
1000µW
10µW ~ 100µW
As per table
7pF
500M Ohm
±5ppm/Year
HC49USSMD
Option: 3 Pin
Remarks
Fund. mode
Overtone mode
Please specify
Please specify
Please specify
0°C ~ +70°C / -40°C ~ +105°C Others are offered
25°C ±3°C
Max
Min
Please specify
Resistance of series resonance (ESR)
Frequency (MHz)
Mode
3.5 <= f < 4.5
Fundamental
4.5 <= f < 6.0
Fundamental
6.0 <= f < 8.0
Fundamental
8.0 <= f < 10.0
Fundamental
10.0 <= f < 12.0
Fundamental
Drawing
HC49USSMD
Ohm max
130
90
70
60
50
Frequency (MHz)
12.0 <= f < 15.0
15.0 <= f < 18.0
18.0 <= f < 33.0
30.0 <= f < 40.0
40.0 <= f < 90.0
Mode
Fundamental
Fundamental
Fundamental
3rd OT
3rd OT
Ohm max
40
30
25
80
60
Option 3P
Dimensions in mm
Order key
Q
Part
- 20.000000M - HC49USSMD - F
Frequency
Package
Mode of
oscillation
- 30
Frequency
tolerance
±ppm
(25°C)
- 50
Temperature
tolerance
±ppm
(Temp. range)
-D
Temperature
range
A=
0°C ~ +70°C
- 30
Load
capacitance
pF
SR=series
- TR
Option
Q=Quartz
M=MHz
HC49USSMD
F=fund.
3=3.OT
3P=3 Pin version
L =3.2mm height
L1=3.0mm height
L2=2.6mm height
TR=Tape and reel
X=Special options
B= -10°C ~ +60°C
C= -10°C ~ +70°C
D= -20°C ~ +70°C
E= -40°C ~ +85°C
F= -40°C ~ +105°C
G= -40°C ~ +125°C
H= -20°C ~ +80°C
I = -10°C ~ +50°C
auris-GmbH
office@auris-gmbh.de www.auris-gmbh.de
All specifications are subject to change without notice.
2.8
DSP 与 ARM 处理器
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