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
RoHS Compliant
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) 5820-3910
©
2006 by Vanlong Technology Co., Ltd.
Fax: +86 (10) 5820-3915
Email: sales@vanlong.com
Web: http://www.vanlong.com
UM1
VANLONG [ VANLONG TECHNOLOGY CO., LTD. ]
