ACT ACT38 A miniature cylindrical Datasheet

Tel: 0044 (0)118 979 1238
Fax: 0044 (0)118 979 1283
E-mail: [email protected]
ACT38
(For MHz frequencies in this package please see ACT39/38A)
The ACT38 is a miniature cylindrical package offering high vibration and shock resistance
together with high stability. It is most suitable for portable equipment and close packing
density. The series offers a wide, low frequency range and is popular for use in
Microprocessor, Consumer and Instrumentation applications
Specification
Parameter
Symbol
Frequency Range
Frequency Tolerance @25°C
Turnover Temperature
Freq. Temp. coefficient
Temp Operating Range
Temp Storage Range
Equivalent Series Resistance
Shunt Capacitance
Load Capacitance
Motional Capacitance
Drive Level
Q Factor
Insulation Resistance
Aging
fo
Δf/fo
Tm
β
Topr
Tstg
ESR
C0
CL
C1
DL
Qf
IR
Fa
Specification
30.00 ~ 100KHz
±20ppm typical (5 to 100ppm available)
25°C ±5°C
-0.034 ± 0.005ppm / °C² max
-10 ~ +60°C
-40 ~ +85°C
20~40KΩ
1.8pF max
12.5pF (Others available.)
3.0fF typical
1.0μ W max
60,000 typical
500MΩ Min
±5ppm
Condition
Please specify
@ 25°C
Please specify
( Typical )
@ 25°C ±3°C
DIMENSIONS (mm)
Please note that all parameters can not necessarily be specified in the same device
Customer to Specify : Frequency, Frequency Tolerance, Operating Temperature Range & Load Capacitance
In line with our ongoing policy of product evolvement and improvement, the above specification may be subject to change without notice.
ISO9001: 2000 Registered
For quotations or further information please contact us at:
3 The Business Centre, Molly Millars Lane, Wokingham, Berks, RG41 2EY, UK
http://www.actcrystals.com
1 of 2
Issue : 2 C1
Date : 07/09/04
Tel: 0044 (0)118 979 1238
Fax: 0044 (0)118 979 1283
E-mail: [email protected]
ACT38
SOLDERING of CYLINDER CRYSTALS
Lead wire should be soldered within 10seconds with the iron having a
tip temperature of less than 270°C. Can must not exceed 150°C
With regard to wave soldering it is recommended that the process is
carried out with the crystal unit set upright on the circuit board. Should
the process be carried out with the crystal unit on its side then steps
must be taken to prevent heat transfer through the can.
Should the whole crystal unit be heated (in a re-flow oven for
example) it will result in amarked deterioration of the performance or
even failure to oscillate. This is due to the internal construction of the
crystal unit which involves the use of solder.
Please note that all parameters can not necessarily be specified in the same device
Customer to Specify : Frequency, Frequency Tolerance, Operating Temperature Range & Load Capacitance
In line with our ongoing policy of product evolvement and improvement, the above specification may be subject to change without notice.
ISO9001: 2000 Registered
For quotations or further information please contact us at:
3 The Business Centre, Molly Millars Lane, Wokingham, Berks, RG41 2EY, UK
http://www.actcrystals.com
2 of 2
Issue : 2 C1
Date : 07/09/04
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