RESISTANCE WELDED MINIATURE CRYSTAL UNITS
UM-1 &UM-5 Series
The UM-1 and UM-5 crystal units are miniature resistance welded package that provides 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 FO F/ Fo TC TOPR TSTG CO 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 100VDC AT 25 ,per year
10 500
100
+85 7 Series 500 +5.0
-5.0
pF pF M mW 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
0.05
12.7Min
3.75
0.2
0.36
12.7Min
3.75
0.2
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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