參數(shù)資料
型號(hào)： XT49UR-20SPFREQ8E2
廠商： VISHAY DALE
元件分類： 晶體
英文描述： QUARTZ CRYSTAL RESONATOR, 8 MHz - 12.999 MHz
封裝： ROHS COMPLIANT PACKAGE-2
文件頁(yè)數(shù)： 1/2頁(yè)
文件大?。?/td> 112K
代理商： XT49UR-20SPFREQ8E2
www.vishay.com
For technical questions contact: frequency@vishay.com
Document Number: 35015
10
Revision: 17-Jan-06
XT49U
Vishay Dale
Resistance Welded Holder Type Crystal Unit
DIMENSIONS in inches [millimeters]
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITION
UNIT
MIN
TYPICAL
MAX
Frequency Range
FO
MHz
1.8432
125
Frequency Tolerance
ΔF/F
O
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
Storing 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
1.8432 to 1.999
650
Fundamental
6.000 to 7.999
50
Fundamental
2.000 to 2.999
500
Fundamental
8.000 to 12.999
35
Fundamental
3.000 to 3.499
250
Fundamental
13.000 to 32.000
25
Fundamental
3.500 to 3.999
150
Fundamental
24.000 to 29.999
60
3rd Overtone
4.000 to 4.999
100
Fundamental
30.000 to 79.999
40
3rd Overtone
5.000 to 5.999
80
Fundamental
80.000 to 125.000
90
5th Overtone
0.403
[10.24] Max
0.192 0.008 [4.88 ± 0.2]
0.435
[11.05] Max
0.183
[4.65] Max
0.500
[12.7] Min
0.150
[3.80] Max
0.017 ± 0.002 [0.43 + 0.05]
0.530
[13.46]
Max
ORDERING INFORMATION
XT49U
MODEL
R
OTR
Blank = Standard
R = - 40 °C to + 85 °C
-20
LOAD
Blank = Series
- 16 = 16 pF
- 20 = 20 pF
- 30 = 30 pF
- 32 = 32 pF
SP
OPTIONS
Blank = Standard
SL = Sleeve
SP = Spacer
M
FREQUENCY/MHz
e2
JEDEC Lead (Pb)-free
STANDARD
GLOBAL PART NUMBER
MODEL
LOAD
PACKAGE
OPTION
FREQUENCY
CODE
X
T
9
X
U
2
0
A
N
A
4M
The XT49U series is an industry standard AT cut crystal
housed in a HC-49U package. It is our standard resistance
weld type quartz crystal.
FEATURES
Low cost
Industry standard
Excellent aging
Wide frequency range
“AT” cut crystal
100 % Lead (Pb)-free and RoHS compliant
RoHS
COMPLIANT
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