HC-49UX
The HC-49UX is an “AT” cut resistance weld type Thru Hole
quartz crystal.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
HC-49UX QUARTZ CRYSTAL
PARAMETERS
CONDITIONS
HC-49UX
TYP
UNITS
MIN
MAX
100.000
± 30
± 50
7
Frequency
Fo
@ +25°C
-10 ~ +70°C
Co
1.800
MHz
ppm
ppm
pF
Frequency Tolerance*
Frequency Stability*
Shunt Capacitance
Load Capacitance
Drive Level
Specify in P/N
DL
10
20
Series
1.0
pF
mW
°C
• Cost Effective
• Excellent Aging
Operating Temperature*
Storage Temperature
Aging (First Year)
Topr
-10
-55
+70
Tstg
+125
±5
°C
• “AT” Cut Crystal
• Wide Frequency Range
• PB Free/RoHS Compliant
• MSL 1
@ +25°C ±3°C
ppm
Frequency (MHz)
1.800 ~ 1.999
2.000 ~ 2.399
2.400 ~ 2.999
3.000 ~ 3.199
3.200 ~ 3.699
3.700 ~ 4.199
4.200 ~ 4.899
4.900 ~ 4.999
5.000 ~ 5.999
6.000 ~ 7.999
8.000 ~ 9.999
10.000 ~ 12.499
12.500 ~ 15.999
16.000 ~ 30.000
30.000 ~ 100.000
ESR Ω Max.
Mode of Osc.
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone
750
500
300
200
120
100
70
55
50
40
35
30
25
20
40
Figure 1) Side and Bottom
PART NUMBERING GUIDE:
Example ECS-200-20-1X
ECS - FREQUENCY ABBREVIATION
LOAD
PACKAGE
AVAILABLE OPTIONS
PACKAGING
Tolerance
Stability
Temp Range
CAPACITANCE
20 = 20 pF
S = Series
200 = 20.000 MHz
See P/N Guide
Blank = Std
ECS
Blank= Std
Blank= Std
Bulk
1X =
HC-49UX
A = ± 25 ppm
J = ± 20 ppm
R = ± 15 ppm
C = ± 10 ppm
D= ±100 ppm
E = ± 50 ppm
G = ± 30 ppm
H = ± 25 ppm
T = ± 20 ppm †
W = ±15 ppm †
K = ± 10 ppm †
L = -10 ~ +70°C
M = -20 ~ +70°C
Y = -30 ~ +85°C
N = -40 ~ +85°C
P = -40 ~ +105°C
S = -40 ~ +125°C
U = -55 ~ +125°C
* Specify available options in P/N.
† Contact ECS for availability over extended temp range.
Rev.2017
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com