HC-49USX
Quartz Crystal
The HC-49USX is the low profile r
esistance weld type Thru Hole
quartz crystal.
1105 South Ridgeview Ro
ad
z
Olathe, KS 66062
z
Phone: 913.782.7787
z
Fax: 913.782.6991
z
www.ecsxtal.com
PARAMETERS
CONDITIONS
HC-49USX
MIN
TYP
FREQUENCY RANGE
(MHz)
FREQUENCY RANGE
(MHz)
MODE OF OSC
MODE OF OSC
MAX ESR
Ω
MAX ESR
Ω
Height "H" MAX
MAX
OPERATING CONDITIONS / EL
ECTRICAL CHARACTERISTICS
EQUIVALENT SERIES RESIST
ANCE/MODE OF OSCILLATION
UNITS
fo
C
o
Specify in P/N
Standard
@ +25°C ±3
°C
at +25°C
Standard -10 to +70°C
Frequency Range
Operating Temperature
Storage Temperat
ure
Aging (First Year)
Frequency Tolera
nce
Frequency Stability
ref @ 25°C
Shunt Capacitance
Load Ca
pacitance
(CL)
Drive Level
3.57
10
MHz
°C
°C
pF
pF
µW
ppm
ppm
ppm
3.57 ~ 3.999
4.000 ~ 4.999
5.000 ~ 5.999
6.000 ~ 6.999
7.000 ~ 8.999
9.000 ~ 12.999
13.000 ~ 19
.999
20.000 ~ 30
.000
27.000 ~ 70
.000
70.000
± 30
± 50
7
Series
500
-10
-55
+70
+125
±5
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone
200
150
120
100
80
60
40
30
100
3.5 mm
2.5 mm
-4LX
-4X
PACKAGE DIMENSIO
NS (mm)
Figure 1) Side and Top views
Figure 2) HC
-49USX (-4X-3IL) 3rd In Line Lead Base
Side, Bottom and End View.
PART NUMBERING GUIDE:
Example ECS-200-20-4X
Custom Options
Cost effective
Low profile
Pb Free/RoH
S Compliant
MSL 1
ECS - Frequency Abb
reviation - Load Capaci
tance - Package To
leran
ce Stability
Temp Range
4X = 3.5 mm
4LX = 2.5 mm
4X-3IL =3rd
In Line Lead Base
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
N= -40 ~ +85°C
P= -40 ~
+105°C
S= -40 ~
+125°C
U= -55 ~+125°C
200 = 20.000 MHz
See P/N Guide
20 =20 pF
S=Series
20
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