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A127E PDF预览

A127E

更新时间: 2022-01-22 00:07:00
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其他 - ETC /
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2页 115K
描述
CRYSTAL SM 4.9152MHZ

A127E 数据手册

 浏览型号A127E的Datasheet PDF文件第2页 
HC49/4H SMX CRYSTALS  
Outline in mm (inches)  
ISSUE 9; 18 OCTOBER 1999  
Delivery Options  
n
Common frequencies are available from stock. Please  
1
1
.
4
±
0
.
2
3
(
0
.
4
4
8
±
0
.
0
0
see p143 for details  
.
1
8
m
a
x
1
0
.
3
m
a
x
(
0
.
4
0
6
m
a
x
)
)
(
0
.
5
m
a
x
Holder Style  
n
HC49/4H SMX crystals are resistance welded, her-  
metically sealed in an inert atmosphere with glass to  
metal seals securing the lead wires. The lead wires are  
formed into a gull wing and mounted on a plastic  
former  
4
(
.
3
m
6
a
x
0
.
7
0
.
1
9
m
a
x
)
(
(
0
.
0
2
8
)
S
o
l
d
e
r
p
a d  
)
l
a
y
o
1
3
.
4
m
a
x
.
(
0
.
5
2
8
m
a
x
1
5
.
0
(
0
.
5
9
)
4
.
4
(
0
.
1
7
3
)
2
(
.
0
.
n
Lower profiles available, please contact our sales office  
0
0
7
9
)
4
.
1
9
m
a
m
x
.
4 .  
0
.
0
6
0
1 5  
(
0
.
9
3
a
x
)
0
.
2
4
)
(
0
.
7
)
General Specifications  
n
Load Capacitance (CL): 10pF to 75pF or Series  
n
Drive Level: 0.5mW max  
n
Static Capacitance (C0): 9pF max  
Typical Frequency vs Temperature Curves  
for various angles of AT-cut crystals  
n
Ageing: 3ppm typical per year  
+
2
5
Standard Frequencies  
n
3.579545MHz, 3.68640MHz, 4.0MHz,  
4.91520MHz, 5.0MHz, 6.0MHz, 7.37280MHz,  
8.0MHz, 8.1920MHz, 9.83040MHz, 10.0MHz,  
11.05920MHz, 12.0MHz, 14.318180MHz,  
14.74560MHz, 15.360MHz, 16.0MHz,  
18.4320MHz, 19.66080MHz, 20.0MHz  
0
Standard Frequency Tolerances and Stabilities  
n
50ppm, 100ppm  
Operating Temperature Ranges  
n
0 to 50°C  
–10 to 60°C  
–20 to 70°C  
–30 to 80°C  
–
2
5
+
2
5
–
5
0
–
2
0
+
7
0
+
1
0
0
T
e
m
p
e
r
a
t
u
r
e
(
°
C
)
Storage Temperature Range  
n
–40 to 85°C  
Typical Solder Condition - Infrared Reflow  
°
C
Environmental Specification  
1
0
s
e
c
Shock: 981m/s2 for 6ms, three shocks in each direc-  
n
tion along three mutually perpendicular planes  
2
4
5
°
C
n
Vibration: 10 to 60Hz 0.75mm displacement, 60 to  
2
1
0
0
0
0
1
~
5
°
C
/
s
e
c
500Hz 98.1m/s2 acceleration, 30 minutes in each of  
three mutually perpendicular planes  
Marking  
n
1
~
5
°
C
/
s
e
c
Frequency only  
1
~
9
°
C
/
s
e
c
Minimum Order Information Required  
n
Frequency + Holder + Frequency Tolerance @ 25°C  
+ Frequency Stability + Operating Temperature  
Range + Circuit Condition + Overtone Order  
0
6
0
s
e
c
2
0
0
s
e
c
T
i
m
e
Europe Tel: +44 (0)1460 74433 Fax: +44 (0)1460 72578  
162  
Americas Tel: +1 919 941 0430 Fax: +1 919 941 0530  

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