Crystal Unit
HC-49SMD
www.yxc.hk
1
Applications
Industrial Control
Consumers.
Features
Dimensions: 11.5 x 4.8 x3.8mm.
Standard Frequency:
3.2768~64MHz
Surface mount type crystal units.
A great number of standard frequencies.
Specifications
(规数)
Item
Symbol
Specifications
Nominal Frequency Range
f_nom
3.2768~64MHz
Vibration Mode
-
AT Fundamental
Load Capacitance
CL
12pF, 20pF, or specify
Frequency Tolerance (at 25 )
f_tol
±10ppm, ±20ppm, or specify
Frequency Versus Temperature Characteristics-
f_tem
±20ppm, or specify
Operating Temperature
T_use
-20~+70, or specify
Storage Temperature
T_stg
-40~+85
Shunt Capacitance
C0
7pF Max.
Level of Drive
DL
1~500μW Max.(100μW typical)
Aging
(at 25 )
f_age
±3ppm/year Max.
Equivalent Series Resistance
(ESR)
HC-49SMD
180 Ω Max.
6 ~ 7MHz
80 Ω Max.
120 Ω Max.
7 ~ 10MHz
60 Ω Max.
100 Ω Max.
10 ~ 30MHz
40 Ω Max.
Dimensions and Recommended land pattern
Dimensions (Unit: mm)
Recommended land pattern(Unit: mm)