HC-49US-DN
Extended Temp Range Crystal
FEATURES
Cost effective
Resistance-weld sealing
Extended Temp range
PART NUMBERING GUIDE
"EXAMPLE"
Suffix
ECS -
DN
* Load Capacitance (xx=xx pF, S=series resonance) ** Package Type examples (-4=3.5 mm max. height, -4L = 2.5 mm max. height)
DN Suffix, D= 100 ppm frequency stability, N = -40 to +85C temp range
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
TYPICAL
MAXIMUM
UNITS
70.000
MHz
30
PPM
100
PPM
7
pF
20.0 std
Series
pF
500
W
+85
C
+105
C
5
PPM
MODE OF OSC.
MAX. ESR (W)
MODE OF OSC.
MAX. ESR (W)
Fundamental
200
Fundamental
60
Fundamental
150
Fundamental
40
Fundamental
100
Fundamental
30
Fundamental
80
3rd O/T
100
Fundamental
80
-4
3.5 mm
-4L
2.5 mm
FREQUENCY RANGE (MHz)
FREQUENCY (4.000 MHz)
LOAD CAPACITANCE*
PACKAGE TYPE **
40 -
20 -
4 -
LOAD CAPACITANCE
Figure 1) HC-49US-DN - Top and Side Views
5.000 - 5.999
6.000 - 6.999
27.000 - 70.000
7.000 - 8.999
Height "H" (max.)
T
STG
-40 ~ +85C
10
T
OPR
-40
DRIVE LEVEL
The HC-49US-DN is the extended
temp range version of our standard HC-
49US crystal. The DN version has an
operating temperature of -40 to +85C
and a frequency stability of 100 ppm.
The HC-49US-DN is a low cost option
for today's industrial applications.
PACKAGE DIMENSIONS (mm)
AGING CHARACTERISTICS
(Per Year)
PARAMETERS
CALIBRATION TOLERANCE
FREQUENCY RANGE
SHUNT CAPACITANCE
FREQUENCY STABILITY, ref @25C
-40
MINIMUM
CONDITIONS
@ +25C
3.579545
@ +25C 3C per year
C
L
(Customer Specified)
DL
13.000 - 19.999
20.000 - 30.000
OPERATING TEMPERATURE
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
FREQUENCY RANGE (MHz)
3.579545 - 3.999
4.000 - 4.999
9.000 - 12.999
STORAGE TEMPERATURE
ECS, INC. INTERNATIONAL
1105 S. RIDGEVIEW, OLATHE, KS 66062 913-782-7787 800-237-1041 FAX 913-782-6991 WWW.ECSXTAL.COM
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