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XT49UR20SL4M PDF预览

XT49UR20SL4M

更新时间： 2024-09-20 22:11:03
品牌 Logo 应用领域
威世 - VISHAY 晶体
页数 文件大小 规格书
1页 32K
描述
Resistance Welded Holder Type Crystal Unit

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中文翻译

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XT49UR20SL4M 数据手册

  
XT49U  
Vishay Dale  
Resistance Welded Holder Type Crystal Unit  
FEATURES  
• Low cost  
• Industry standard  
• Excellent aging  
• Wide frequency range  
• ‘AT’ cut crystal  
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.  
STANDARD ELECTRICAL SPECIFICATIONS  
PARAMETER  
SYMBOL  
CONDITION  
UNIT  
MHz  
ppm  
ppm  
°C  
MIN  
TYPICAL  
MAX  
125  
Frequency Range  
Frequency Tolerance  
Temperature Stability  
Operating Temperature Range  
Storing Temperature Range  
Shunt Capacitance  
Load Capacitance  
Insulator Resistance  
Drive Level  
FO  
1.8432  
± 10  
± 10  
- 20  
∆F/FO  
TC  
at 25°C  
± 30  
± 30  
± 50  
± 50  
+ 70  
+ 85  
7
ref to 25°C  
TOPR  
TSTG  
CO  
°C  
- 40  
pF  
CL  
Customer Specified  
pF  
10  
Series  
IR  
100VDC  
MΩ  
µW  
ppm  
500  
DL  
100  
500  
Aging  
Fa  
at 25°C, per year  
- 5.0  
+ 5.0  
EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE)  
Ω
Ω
FREQUENCY RANGE (MHZ) MAX ESR ( )  
MODE  
FREQUENCY RANGE (MHZ)  
MAX ESR ( )  
MODE  
1.8432 to 1.999  
2.000 to 2.999  
3.000 to 3.499  
3.500 to 3.999  
4.000 to 4.999  
5.000 to 5.999  
650  
500  
250  
150  
100  
80  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
Fundamental  
6.000 to 7.999  
50  
35  
25  
60  
40  
90  
Fundamental  
Fundamental  
Fundamental  
3rd Overtone  
3rd Overtone  
5th Overtone  
8.000 to 12.999  
13.000 to 32.000  
24.000 to 29.999  
30.000 to 79.999  
80.000 to 125.000  
DIMENSIONS in inches [millimeters]  
0.150  
[3.80] Max  
0.435  
[11.05] Max  
0.403  
[10.24] Max  
0.183  
[4.65] Max  
0.530  
[13.46] Max  
0.500  
[12.7] Min  
0.192 0.008 [4.88 ± 0.2]  
Ø 0.017 ± 0.002 [0.43 + 0.05]  
ORDERING INFORMATION  
XT49U  
R
- 20  
SP  
4M  
MODEL  
OTR  
LOAD  
OPTIONS  
FREQUENCY/MHz  
Blank = Standard  
R = - 40°C to + 85°C  
Blank = Series  
- 16 = 16pF  
- 20 = 20pF  
- 30 = 30pF  
- 32 = 32pF  
Blank = Standard  
SL = Sleeve  
SP = Spacer  
Document Number: 35015  
Revision: 16-Apr-03  
For technical questions contact: frequency@vishay.com  
www.vishay.com  
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