Quartz SMD
HC49USSMD
Features:
- 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
Df/f
C
L
Df/f
T
STG
T
OPR
M
DL
R
DL
R
1
C
0
I
R
Df
A
HC49USSMD
3.579MHz ~ 35.000MHz
30.000MHz ~ 90.000MHz
± 3ppm ~ ± 50ppm
5pF ~ 50pF or user specify
±3ppm ~ ± 50ppm
-40°C ~ +105°C
1000mW
10mW ~ 100mW
As per table
7pF
500M Ohm
± 1ppm ~ ±5ppm/Year
25°C
Max
Please specify
Remarks
Fund. mode
Overtone mode
Please specify
Please specify
Please specify
0°C ~ +70°C / -40°C ~ +105°C Others are offered
Resistance of series resonance (ESR)
Frequency (MHz)
Mode
3.579 <= f < 6.0
Fundamental
6.0 <= f < 10.0
Fundamental
10.0 <= f < 15.0
Fundamental
Ohm max
150
100
60
Frequency (MHz)
15.0 <= f < 35.0
30.0 <= f < 90.0
Mode
Fundamental
3rd OT
Ohm max
40
70
Drawing
HC49USSMD
Option "3P"
3 Pin-version
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=3Pin version
L=Low hight
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
Remarks: All specifications subject to change without notice!
2.5
