XTUM1
Vishay Dale
Resistance Welded Miniature Crystal Units
FEATURES
• Low cost
• Industry standard
• Small compact size
• Wide frequency range
• High stability
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.
• “AT” cut crystal
• Compliant to RoHS directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
Frequency range
Frequency tolerance
Temperature stability
Operating temperature range
Storage temperature range
Shunt capacitance
Load capacitance
Insulation resistance
Drive level
Aging
SYMBOL
F
O
ΔF/F
O
T
C
T
OPR
T
STG
C
0
C
L
I
R
D
L
Fa
CONDITION
at 25 °C
see Frequency
Stability vs.
Temperature Range
UNIT
MHz
ppm
ppm
°C
°C
pF
pF
MΩ
μW
ppm
MIN.
10.000
-
-
-
- 40
-
10
500
-
-5
TYP.
-
± 10
± 10
-
-
-
-
-
100
-
MAX.
125.000
± 50
± 50
-
+ 85
7
series
-
500
+5
customer specified
100 V
DC
at 25 °C, per year
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
MAX. ESR (Ω)
60
40
30
60
MODE
fundamental
fundamental
fundamental
fundamental
FREQUENCY RANGE (MHz)
40.000 to 59.999
60.000 to 79.999
80.000 to 125.000
MAX. ESR (Ω)
50
50
100
MODE
fundamental
3
rd
overtone
5
th
overtone
FREQUENCY STABILITY VS. TEMPERATURE RANGE
(25 °C ± 3 °C)
TEMPERATURE RANGE (°C)
0 to 50
- 10 to 60
- 20 to 70
- 40 to + 85
±5
x
x
± 10
x
x
x
FREQUENCY STABILITY (ppm)
± 15
± 20
x
x
x
x
x
x
x
± 30
x
x
x
x
± 50
x
x
x
x
DIMENSIONS
in inches [millimeters]
0.280 [7.10] max.
0.094 [2.40] max.
0.319
[8.10]
max.
0.311 [7.90] max.
0.126 [3.20]
max.
0.500
[12.7]
min.
0.148 ± 0.008 [3.75 ± 0.2]
0.014 ± 0.002 [0.36 ± 0.05]
Document Number: 35020
Revision: 09-Mar-10
For technical questions, contact:
frequency@vishay.com
www.vishay.com
1
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
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damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
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No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Revision: 12-Mar-12
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Document Number: 91000
Analog electronics
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