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