XTUM1 Datasheet, PDF (1/3 Pages) Vishay Siliconix – Resistance Welded Miniature Crystal Units

XTUM1
Vishay Dale
Resistance Welded Miniature Crystal Units
The XTUM-1 crystal unit is a miniature resistance welded
package that provides excellent hermetic seal and frequency
aging. The frequency range till 125 Mhz and miniature size is
ideal for communication equipment.
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
Frequency Range
Frequency Tolerance
Temperature Stability
Operating Temperature Range
Storing Temperature Range
Shunt Capacitance
Load Capacitance
Insulator Resistance
Drive Level
Aging
SYMBOL
F_O
ΔF/F_O
TC
T_OPR
T_STG
C_O
CL
IR
DL
Fa
CONDITION
at 25 °C
see Frequency Stability
vs Temperature Range
Customer Specified
100 V_DC
at 25 °C, per year
FEATURES
• Low cost
• Industry standard
• Small compact size
• Wide frequency range
• High stability
• "AT" cut crystal
• 100 % Lead (Pb)-free and RoHS compliant
RoHS
COMPLIANT
UNIT
MHz
ppm
ppm
°C
°C
pF
pF
MΩ
µW
ppm
MIN
10
- 40
10
500
- 5.0
TYPICAL
± 10
± 10
100
MAX
125
± 50
± 50
+ 85
7
Series
500
+ 5.0
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 (Ω)
60
40
30
60
50
50
100
MODE
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3^rd Overtone
5^th Overtone
DIMENSIONS in inches [millimeters]
0.280
[7.10] Max
0.094 [2.40] Max 0.311 [7.90] Max
0.319
[8.10] Max
0.126
[3.20] Max
0.500
[12.7] Min
FREQUENCY STABILITY VS
TEMPERATURE RANGE (25 °C ± 3 °C)
TEMPERATURE
RANGE (°C)
0 to 50
- 10 to 60
- 20 to 70
- 40 to 85
FREQUENCY STABILITY (PPM)
± 5 ± 10 ± 15 ± 20 ± 30 ± 50
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
ORDERING INFORMATION
XTUM1
MODEL
-18
LOAD
20 M
FREQUENCY/MHz
Blank = Series
- 32 = 32 pF
- 18 = 18 pF
Standard
e2
JEDEC
LEAD
(Pb)-FREE
STANDARD
0.148 ± 0.008 [3.75 ± 0.2] 0.014 ± 0.002 [0.36 ± 0.05]
GLOBAL PART NUMBER
X
T
U
1
MODEL
1
8
LOAD
A
PACKAGE
CODE
N
A
OPTIONS
2
0
M
FREQUENCY
Document Number: 35020
Revision: 18-Oct-07
For technical questions contact: [e-mail]
www.vishay.com
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