Cost effective
Low profile
Pb Free/RoHS Compliant
MSL 1
HC-49USX
Quartz Crystal
The HC-49USX is the low profile resistance weld type Thru Hole
quartz crystal.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range
Frequency Tolerance
Frequency Stability
ref @ 25°C
Shunt Capacitance
Load Capacitance (CL)
Drive Level
Operating Temperature
Storage Temperature
Aging (First Year)
CONDITIONS
fo
HC-49USX
MIN
3.57
TYP
MAX
70.000
± 30
± 50
7
Series
500
+70
+125
±5
UNITS
MHz
ppm
ppm
pF
pF
µW
°C
°C
ppm
at +25°C
Standard -10 to +70°C
C
o
Specify in P/N
Standard
@ +25°C ±3°C
10
-10
-55
20
EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION
FREQUENCY RANGE
(MHz)
MODE OF OSC MAX ESR
Ω
FREQUENCY RANGE
(MHz)
MODE OF OSC MAX ESR
Ω
3.57 ~ 3.999
Fundamental
200
9.000 ~ 12.999
Fundamental
60
4.000 ~ 4.999
Fundamental
150
13.000 ~ 19.999
Fundamental
40
5.000 ~ 5.999
Fundamental
120
20.000 ~ 30.000
Fundamental
30
6.000 ~ 6.999
Fundamental
100
27.000 ~ 70.000
3rd Overtone
100
7.000 ~ 8.999
Fundamental
80
PACKAGE DIMENSIONS (mm)
Height "H" MAX
-4X
-4LX
3.5 mm
2.5 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
ECS - Frequency Abbreviation - Load Capacitance - Package
200 = 20.000 MHz
See P/N Guide
20 =20 pF
S=Series
4X = 3.5 mm
4LX = 2.5 mm
4X-3IL =3rd
Tolerance
Custom Options
Stability
D= ±100 ppm
E= ±50 ppm
G= ±30 ppm
H= ±25 ppm
T= ±20 ppm
W= ±15 ppm
K= ±10 ppm
Temp Range
L= -10 ~ +70°C
M= -20 ~ +70°C
N= -40 ~ +85°C
P= -40 ~ +105°C
S= -40 ~ +125°C
U= -55 ~+125°C
A= ±25 ppm
J= ±20 ppm
R= ±15 ppm
In Line Lead Base
C= ±10 ppm
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com
stm32/stm8
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
