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UM1

更新时间: 2024-01-18 19:55:18
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描述
Miniature Resistance Weld Crystal

UM1 数据手册

  
Leaded Crystal  
Miniature Resistance Weld Crystal  
The UM1 series is a AT-cut crystal housed in a miniature  
resistance weld package that provides for an excellent  
hermetic seal and frequency aging. This high quality crystal  
offers a smaller footprint in a wide frequency range.  
UM1  
Specifications:  
UM-1  
Frequency Range:  
6.0 MHz ~ 45 MHz  
25 MHz ~ 200 MHz  
Fundamental  
Overtone  
Operating Temperature:  
0°C ~ +50°C  
-A  
-B  
-C  
-L  
-10°C ~ +60°C  
-20°C ~ +70°C  
-40°C ~ +85°C  
Storage Temperature:  
-55°C ~ +125°C  
Frequency Tolerance:  
± 50 ppm  
± 30 ppm  
± 20 ppm  
± 10 ppm  
-50  
-30  
-20  
-10  
(at 25°C)  
Frequency Stability:  
± 50 ppm  
± 30 ppm  
± 20 ppm  
± 10 ppm  
-50  
-30  
-20  
-10  
(over temperature range)  
Circuit Condition:  
10 pF ~ 32 pF or series  
Equivalent Series Resistance: Maximum resistance corresponds  
to frequency. Please see ESR  
table.  
All dimensions are in mm  
Drive Level:  
100 µW max  
Shunt Capacitance:  
Aging:  
7 pF max  
Ordering Information  
± 3 ppm max per year  
Product name + CL + Operating Temperature  
Range + Tolerance + Stability + Other Code +  
Frequency.  
Optional Features:  
Fundamental  
3rd,5th,7th O.T.  
Tape & Reel  
-F  
-3,5,7  
-TR  
i.e. UM1-20-C-30-30-F-24.000MHz  
Note:  
1.  
2.  
3.  
Other frequencies, tolerances, stabilities, and operating temperature ranges  
available. Consult VTC Support for specific requirements.  
Not all combinations of the above tolerances, stabilities, and temperature ranges  
are available. Consult VTC Support if your requirement is not standard.  
All specifications subject to change without notice.  
Phone: +86 10 6301 4184  
Fax: +86 10 6301 9167  
Email: sales@vanlong.com  
Web: http://www.vanlong.com  
U M 1  
© 2004 by Vanlong Technology Co., Ltd.  

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