HC-49US
QUARTZ CRYSTAL
This product represents our selection
of low profile resistance weld type
quartz crystals.
OPTIONS:
– extended temperature range
– tighter tolerances
– mylar spacer
– 3rd in line lead base
– radial tape and reel (1,000 pcs)
FEATURES
• Cost effective
• Excellent aging
• Wide frequency range
• Low profile
• Excellent reliability
• “AT strip” blank technology
PART NUMBERING GUIDE
“EXAMPLE “
ECS
–
FREQUENCY (16.0000 MHz)
160
–
LOAD CAPACITANCE*
20
–
PACKAGE TYPE**
4
* Load capacitance (xx=xx pF, S= series resonance), ** Package Type examples (4= 3.5mm max. height, 4L= 2.5mm max. height)
For extended temp range of -40 to +85˚C ad -DN suffix for example ECS-160-20-4-DN
Note: See Product Selection Guide for additional options.
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS
FREQUENCY RANGE
FREQUENCY TOLERANCE
FREQUENCY STABILITY, ref @ 25˚C
OPERATING TEMPERATURE
STORAGE TEMPERATURE
SHUNT CAPACITANCE
LOAD CAPACITANCE
DRIVE LEVEL
AGING (FIRST YEAR)
CONDITIONS
f
o
@ +25˚C
Standard -10 ~ +70˚C
“DN” Option -40 ~ +85˚C
Standard
DN option
C
0
C
L
(Customer Specified)
3.57 ~ 70.000MHz
@ +25˚C
MINIMUM
3.57
MAXIMUM
70.000
±30
±50
±100
±70
+85
+105
7.0
Series
0.5
±5.0
UNITS
MHz
PPM
PPM
PPM
˚C
˚C
˚C
pF
pF
mW
PPM
-10
-40
-40
10.0
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
FREQUENCY RANGE (MHz)
3.570 ~ 3.999
4.000 ~ 4.999
5.000 ~ 5.999
6.000 ~ 6.999
7.000 ~ 8.999
MODE
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
MAX ESR
Ω
200
150
120
100
80
FREQUENCY RANGE (MHz)
9.000 ~ 12.999
13.000 ~ 19.999
20.000 ~ 30.000
27.000 ~ 70.000
MODE
Fundamental
Fundamental
Fundamental
3rd O/T
MAX ESR
Ω
60
40
30
100
PACKAGE DIMENSIONS (mm)
11.35 Max.
10.5 Max.
11.35 Max.
10.5 Max.
3.5 Max.
3.80 Max.
0
PPM
f/f
+ 30
- 10
25
60
TEMP.(˚C)
H
12.7
optional 20.0
4.88
12 Min.
Height “H” (max.)
-4
3.5 mm
-4L
2.5 mm
0.43
- 30
Figure 3) Frequency vs Temperature Curve
4.88
11.35 Max.
0.43
10.5 Max.
4.65 Max.
3.7 Max.
Figure 1) HC-49US - Top and Side views
Figure 2) HC-49US - 3rd In Line Lead Base – Side & Bottom View
ECS, INC. INTERNATIONAL
1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
CRYSTALS
6
CRYSTALS
5.0 Max.
Grounded to Holder
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