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參數資料
| 型號： | XT49M-328ME2 |
| 廠商： | VISHAY DALE |
| 元件分類： | 晶體 |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 8 MHz |
| 封裝： | ROHS COMPLIANT, MINIATURE, SMD, 2 PIN |
| 文件頁數： | 1/3頁 |
| 文件大?。?/td> | 99K |
| 代理商： | XT49M-328ME2 |
Document Number: 35012
For technical questions contact: frequency@vishay.com
www.vishay.com
Revision: 18-Oct-07
13
Low Profile SMD Type Crystal Units
XT49M
Vishay Dale
This part is a miniature AT cut strip crystal unit packaged for
surface mounting.
FEATURES
Low cost
Industry standard
Wide frequency range
Excellent aging
Surface mount
100 % Lead (Pb)-free and RoHS compliant
DIMENSIONS in inches [millimeters]
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITION
UNIT
MIN
TYPICAL
MAX
Frequency Range
Fo
MHz
3.200
66.000
Frequency Tolerance
ΔF/Fo
at 25 °C
ppm
±10
±30
±50
Temperature Stability
TC
ref to 25 °C
ppm
±10
±30
±50
Operating Temperature Range
TOPR
°C
-20
+70
Storage Temperature Range
TSTG
°C
-40
+85
Shunt Capacitance
Co
pF
7
Load Capacitance
CL
Customer Specified
pF
10
Series
Insulator Resistance
IR
100 VDC
M
Ω
500
Drive Level
DL
W
100
500
Aging
Fa
at 25 °C, per year
ppm
-5.0
+5.0
EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE)
FREQUENCY RANGE (MHZ)
MAX ESR (
Ω)
MODE
FREQUENCY RANGE(MHZ)
MAX ESR (
Ω)MODE
3.200 to 4.499
150
Fundamental/AT
9.000 to 9.999
60
Fundamental/AT
4.500 to 5.999
120
Fundamental/AT
10.000 to 12.999
50
Fundamental/AT
6.000 to 6.999
100
Fundamental/AT
13.000 to 30.000
40
Fundamental/AT
7.000 to 7.999
90
Fundamental/AT
30.000 to 66.000
80
3rd Overtone
8.000 to 8.999
80
Fundamental/AT
0.150
[3.8] Max
0.403
[10.24] Max
CRYSTAL UNIT
0.177
[4.5] Max
0.012 [0.3] Max
0.008
[0.2] Max
0.150 [3.8] Max
0.078
[2.0]
0.354 [9.0]
0.201 ± 0.020 [5.1 ± 0.5]
0.449 ± 0.012 [11.4 ± 0.3]
0.508 ± 0.016 [12.9 ± 0.4]
0.031 ± 0.012
[0.8 ± 0.3]
0.185 ± 0.012
[4.7 ± 0.3]
INSULATION BASE
CRYSTAL LEAD
SOLDER PATTERN
0.236 [6.0]
ORDERING INFORMATION
XT49 M
MODEL
R
OTR
Blank = Standard
R = -40 °C to +85 °C
-20
LOAD
Blank = Series
-20 = 20 pF
-30 = 30 pF
-32 = 32 pF
20 M
FREQUENCY/MHz
e2
JEDEC
LEAD (Pb)-FREE
STANDARD
GLOBAL PART NUMBER
MODEL
LOAD
STABILITY
PACKAGE
CODE
OPTIONS
FREQUENCY
X
T
9
X
M
2
0
A
N
A
2
0
M
RoHS
COMPLIANT
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