Cost effective
Excellent Aging
"AT" cut crystal
Wide frequency range
Pb Free/RoHS Compliant
HC-49UX
Quartz Crystal
The HC-49UX is an "AT" cut resistance weld type Thru Hole
quartz crystal.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range
Frequency Tolerance
Frequency Stability
ref @ 25°C
Shunt Capacitance
Load Capacitance (CL)
Drive Level
Operating Temperature
Storage Temperature
Aging (First Year)
CONDITIONS
fo
HC-49UX
MIN
1.800
TYP
MAX
100.00
± 30
± 50
7
Series
1.0
+70
+125
±5
UNITS
MHz
ppm
ppm
pF
pF
mW
°C
°C
ppm
at +25°C
Standard -10 to +70°C
C
o
Specify in P/N
Standard
@ +25°C ±3°C
10
-10
-55
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
1.800 ~ 1.999
Fundamental
750
5.000 ~ 5.999
Fundamental
50
2.000 ~ 2.399
Fundamental
500
6.000 ~ 7.999
Fundamental
40
2.400 ~ 2.999
Fundamental
300
8.000 ~ 9.999
Fundamental
35
3.000 ~ 3.199
Fundamental
200
10.000 ~ 12.499
Fundamental
30
3.200 ~ 3.699
Fundamental
120
12.500 ~ 15.999
Fundamental
25
3.700 ~ 4.199
Fundamental
100
16.000 ~ 30.000
Fundamental
20
4.200 ~ 4.899
Fundamental
70
30.000 ~ 100.000
3rd Overtone
40
4.900 ~ 4.999
Fundamental
55
PACKAGE DIMENSIONS (mm)
Figure 1) Side and Bottom views
PART NUMBERING GUIDE: Example ECS-200-20-1X
ECS - Frequency Abbreviation - Load Capacitance - Package
200 = 20.000 MHz
See P/N Guide
20 =20 pF
S=Series
1X = HC-49UX
Tolerance
A= ±25 ppm
C= ±10 ppm
Custom Options
Stability
D= ±100 ppm
E= ±50 ppm
G= ±30 ppm
H= ±25 ppm
K= ±10 ppm
Temp Range
L= -10 ~ +70°C
M= -20 ~ +70°C
N= -40 ~ +85°C
P= -40 ~ +105°C
S= -40 ~ +125°C
U= -55 ~+125°C
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com
