VANLONG UM1

Leaded Crystal
Miniature Resistance Weld Crystal
UM1
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.
Specifications:
Frequency Range:
UM-1
6.0 MHz ~ 45 MHz
Fundamental
25 MHz ~ 200 MHz
Overtone
Operating Temperature:
0°C ~ +50°C
-A
-10°C ~ +60°C
-B
-20°C ~ +70°C
-C
-40°C ~ +85°C
-L
Storage Temperature:
-55°C ~ +125°C
Frequency Tolerance:
± 50 ppm
-50
(at 25°C)
± 30 ppm
-30
± 20 ppm
-20
± 10 ppm
-10
Frequency Stability:
± 50 ppm
-50
(over temperature range)
± 30 ppm
-30
± 20 ppm
-20
± 10 ppm
-10
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:
7 pF max
Aging:
± 3 ppm max per year
Optional Features:
Fundamental
rd
th
th
Ordering Information
Product name + CL + Operating Temperature
Range + Tolerance + Stability + Other Code +
Frequency.
-F
3 ,5 ,7 O.T.
-3,5,7
Tape & Reel
-TR
i.e. UM1-20-C-30-30-F-24.000MHz
Note:
1.
Other frequencies, tolerances, stabilities, and operating temperature ranges
available. Consult VTC Support for specific requirements.
2.
Not all combinations of the above tolerances, stabilities, and temperature ranges
are available. Consult VTC Support if your requirement is not standard.
3.
All specifications subject to change without notice.
Phone: +86 10 6301 4184
© 2004 by Vanlong Technology Co., Ltd.
Fax: +86 10 6301 9167
Email: [email protected]
Web: http://www.vanlong.com
UM1