HC-49USX
Quartz Crystal
The HC-49USX is the low profile resistance weld type Thru Hole
quartz crystal.
1105 South Ridgeview Road z Olathe, KS 66062 z Phone: 913.782.7787 z Fax: 913.782.6991 z www.ecsxtal.com
PARAMETERS CONDITIONS
HC-49USX
MIN TYP
FREQUENCY RANGE (MHz) FREQUENCY RANGE (MHz) MODE OF OSCMODE OF OSC MAX ESR ΩMAX ESR Ω
Height "H" MAX
MAX
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION
UNITS
fo
Co
Specify in P/N
Standard
@ +25°C ±3°C
at +25°C
Standard -10 to +70°C
Frequency Range
Operating Temperature
Storage Temperature
Aging (First Year)
Frequency Tolerance
Frequency Stability ref @ 25°C
Shunt Capacitance
Load Capacitance (CL)
Drive Level
3.57
10
MHz
°C
°C
pF
pF
µW
ppm
ppm
ppm
3.57 ~ 3.999
4.000 ~ 4.999
5.000 ~ 5.999
6.000 ~ 6.999
7.000 ~ 8.999
9.000 ~ 12.999
13.000 ~ 19.999
20.000 ~ 30.000
27.000 ~ 70.000
70.000
± 30
± 50
7
Series
500
-10
-55
+70
+125
±5
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone
200
150
120
100
80
60
40
30
100
3.5 mm
2.5 mm-4LX
-4X
PACKAGE DIMENSIONS (mm)
Figure 1) Side and Top views Figure 2) HC-49USX (-4X-3IL) 3rd In Line Lead Base
Side, Bottom and End View.
PART NUMBERING GUIDE: Example ECS-200-20-4X
Custom Options
Cost effective
Low profile
Pb Free/RoHS Compliant
ECS - Frequency Abbreviation - Load Capacitance - Package Tolerance Stability Temp Range
4X = 3.5 mm
4LX = 2.5 mm
4X-3IL =3rd
In Line Lead Base
A= ±25 ppm
C= ±10 ppm
D= ±100 ppm
E= ±50 ppm
G= ±30 ppm
H= ±25 ppm
K= ±10 ppm
L= -10 ~ +70°C
M= -20 ~ +70°C
N= -40 ~ +85°C
P= -40 ~ +105°C
S= -40 ~ +125°C
U= -55 ~+125°C
200 = 20.000 MHz
See P/N Guide
20 =20 pF
S=Series
20
