RESISTANCE WELDED MINIATURE CRYSTAL UNITS
UM-1 &UM-5 Series
The UM-1 and UM-5 crystal units are min-
iature resistance welded package that pro-
vides excellent hermetic seal and frequency
aging. The frequency range till 125Mhz and
miniature size is ideal for communication
equipment.
Crystal Units
FEATURES
Low cost
Industry Standard
Wide Frequency Range
Small Compact Size
High Stability
'AT' Cut Crystal
Electrical Specifications
Parameter
Frequency Range
Frequency Tolerance
Temperature Stability
Operating Temperature Range
Storage Temperature Range
Shunt Capacitance
Load Capacitance
Insulator Resistance
Drive Level
Aging
Symb
F
O
F/ Fo
TC
T
OPR
T
STG
C
O
CL
IR
DL
Fa
Condition
Min
10
Typ
AT 25
See table 1
See table 1
10
10
Max
125
50
50
Units
MHz
ppm
ppm
-40
Customer Specified
100V
DC
AT 25
,per year
10
500
100
+85
7
Series
500
+5.0
-5.0
pF
pF
M
m
W
ppm
Equivalent Series Resistance(ESR) and Mode of Vibration(Mode)
Frequency Range(Mhz)
10.000 to 12.999
13.000 to 19.999
20.000 to 29.999
30.000 to 39.999
40.000 to 59.999
60.000 to 79.999
80.000 to 125.000
Max ESR(
60
40
30
60
50
50
100
)
Mode
Fundamental
Fundamental
Fundamental
rd
3 Overtone
rd
3 Overtone
rd
3 Overtone
th
5 Overtone
Table 1
Frequency Stability vs Temperature Range(25
3 )
Frequency Stability(PPM)
Temp Range( )
15
50
5
30
20
10
0 to 50
-10 to 60
-20 to 70
-40 to 85
Mechanical Dimensions(mm)
UM-1
7.10Max
2.40Max
8.10Max
UM-5
7.10Max
2.40Max
6.00Max
12.7Min
0.36 0.05
3.75
0.2
3.75 0.2
12.7Min
0.36 0.05
7.90Max
3.20Max
7.90Max
3.20Max
ELECTRONIC COMPONENTS
RSG
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RSG Electronic Components GmbH Sprendlinger Landstr. 115 D-63069 Offenbach/Germany
Tel. +49 69 984047-0 Fax +49 69 984047-77 info@rsg-electronic.de
www.rsg-electronic.de
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Änderungen vorbehalten / subject to change without notice
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