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:
Frequency Range:
6.0 MHz ~ 45 MHz
25 MHz ~ 200 MHz
Operating Temperature:
0°C ~ +50°C
-10°C ~ +60°C
-20°C ~ +70°C
-40°C ~ +85°C
Storage Temperature:
Frequency Tolerance:
(at 25°C)
-55°C ~ +125°C
±
50 ppm
±
30 ppm
±
20 ppm
±
10 ppm
Frequency Stability:
(over temperature range)
±
50 ppm
±
30 ppm
±
20 ppm
±
10 ppm
Circuit Condition:
Equivalent Series Resistance:
-50
-30
-20
-10
-50
-30
-20
-10
Fundamental
Overtone
-A
-B
-C
-L
UM-1
10 pF ~ 32 pF or series
Maximum resistance corresponds
to frequency. Please see ESR
table.
All dimensions are in mm
Drive Level:
Shunt Capacitance:
Aging:
Optional Features:
100
µW
max
7 pF max
±
3 ppm max per year
Fundamental
3
rd
,5
th
,7
th
O.T.
Tape & Reel
-F
-3,5,7
-TR
Ordering Information
Product name + CL + Operating Temperature
Range + Tolerance + Stability + Other Code +
Frequency.
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
©
2004 by Vanlong Technology Co., Ltd.
Fax: +86 10 6301 9167
Email: sales@vanlong.com
Web: http://www.vanlong.com
UM1
嵌入式系统
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