HC-49U QUARTZ CRYSTAL
This product represents our selection of
standard resistance weld type quartz
crystals.
FEATURES
•
Cost effective
•
•
Excellent aging
Wide frequency range
OPTIONS:
– extended temperature range
• Tight tolerances
• Excellent reliability
• “AT” cut crystal
– pullability
– mylar spacer
– vinyl sleeve
– third ground lead
– radial Tape and Reel (1,000 pcs)
PART NUMBERING GUIDE “EXAMPLE”
FREQUENCY (16.0000 MHz)
LOAD CAPACITANCE*
PACKAGE TYPE
ECS
–
160
–
20
–
1
* Load capacitance (xx=xx pF, S= series resonance)
Note: See Product Selection Guide for additional options.
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS
CONDITIONS
MINIMUM
1.800
-30
MAXIMUM
100.000
+30
+50
+70
+85
7.0
Series
2.0, 1.0
+5.0
UNITS
MHz
PPM
PPM
˚C
˚C
pF
pF
mW
PPM
FREQUENCY RANGE
FREQUENCY TOLERANCE
FREQUENCY STABILITY
OPERATING TEMPERATURE
STORAGE TEMPERATURE
SHUNT CAPACITANCE
LOAD CAPACITANCE
DRIVE LEVEL
f
o
Ref @ +25˚C
Ta=-10˚C ~ +70˚C
-50
-10
-30
TOPR
TSTG
C0
CL (Customer Specified)
1.800 ~ 3.000MHz, 3.000 ~ 100.000MHz
@ +25˚C
10.0
-5.0
AGING (FIRST YEAR)
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
FREQUENCY RANGE (MHz)
MODE
MAX ESR Ω
FREQUENCY RANGE (MHz)
5.000 ~ 5.999
6.000 ~ 7.999
MODE
MAX ESR Ω
1.800 ~ 1.999
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
750
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd O/T
50
40
35
30
25
20
40
2.000 ~ 2.399
500
2.400 ~ 2.999
300
8.000 ~ 9.999
3.000 ~ 3.199
200
10.000 ~ 12.499
12.500 ~ 15.999
16.000 ~ 25.000
23.000 ~ 100.000
3.200 ~ 3.699
120
3.700 ~ 4.199
100
4.200 ~ 4.899
70
4.900 ~ 4.999
55
PACKAGE DIMENSIONS (mm)
11.35
(10.5) Max.
11.35 Max.
f/f0
PPM
+ 30
- 30
- 10
4.65 Max.
25
60
TEMP.(˚C)
0.43
Figure 2) Frequency vs Temperature Curve
4.88 ± 0.020
Figure 1) HC-49U - Side and Bottom views
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
CRYSTALS CRYSTALS
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