2.1 mm Height
Industry Std. Footprint
Pb Free/RoHS Compliant
HC-49USSX
Low Profile Crystal
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range
Frequency Tolerance
Frequency Stability
Shunt Capacitance
Load Capacitance
Drive Level
Operating Temperature
Storage Temperature
Aging (Per Year)
CONDITIONS
HC-49USSX
MIN
3.57
TYP
MAX
50.000
± 30
± 50
5
Series
500
+70
+105
±5
UNITS
MHz
ppm
ppm
pF
pF
µW
°C
°C
ppm
at +25°C
-10 to +70°C
Specify in P/N
10
-10
-40
@ +25°C ±3°C
20
EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION
FREQUENCY RANGE
(MHz)
MODE OF OSC MAX ESR
Ω
FREQUENCY RANGE
(MHz)
MODE OF OSC MAX ESR
Ω
3.57 ~ 4.999
Fundamental
150
13.000 ~ 19.999
Fundamental
50
5.000 ~ 5.999
Fundamental
120
20.000 ~ 30.000
Fundamental
40
6.000 ~ 6.999
Fundamental
100
26.000 ~ 39.999
3rd Overtone
100
7.000 ~ 8.999
Fundamental
80
40.000 ~ 50.000
3rd Overtone
80
9.000 ~ 12.999
Fundamental
60
DIMENSIONS (mm)
Figure 1) Top, Side and Bottom views
PART NUMBERING GUIDE: Example ECS-200-20-4VX
ECS - Frequency Abbreviation - Load Capacitance
200 = 20.000 MHz
See P/N Guide
20 =20 pF
S=Series
- Package
4VX = HC-49USSX
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com
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