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Fax :
email :
0044 (0)118 979 1238
0044 (0)118 979 1283
info@actcrystals.com
ACT845SMX-2
The
ACT845SMX-2
is a 2 pad, cost competitive ceramic packaged, glass sealed crystal. The package
provides for the durability and reliability, necessary for reflow processes. The pads are gold plated. With
its wide range of frequencies allowing for ease of circuit design, and with a good range of stabilities, it has
become one of the optimum choices for design engineers. (Available loose or reeled to suit low / high
volume requirements).
Applications
include Microprocessor Systems, Instrumentation, Communications, Notebook & PCMCIA
and many more.
Specification
Parameter
Frequency Range
Frequency Tolerance
Stability over Temp Range
Temp Operating Range
Temp Storage Range
Equivalent Series Resistance
Load Capacitance
Shunt Capacitance
Drive Level
Insulation Resistance
Reflow Process
Aging
Symbol
fo
Δf/fo
Tc
Topr
Tstg
ESR
CL
C0
DL
IR
Fa
Specification
10.0 ~ 48.0 MHz
Fundamental
48.0 ~ 80.0 MHz
Third Overtone
±20ppm ~ 100ppm (@25°C±3°C ) Please refer to Table 2
±20ppm ~ 100ppm ( Ref to :25°C±3°C )Please refer to Table2
-10 ~ +70°C
-40 ~ +85°C
See Table 1
10 ~ 30pF or Series Resonance
7pF max
300μW max. (100μW Typical)
500MΩ min
10 Seconds ( max) @260°C
±5ppm / year max
Condition
Please specify
Please Specify
Please specify
Please specify
@100V DC
@25°C
Table 1
Frequency MHz
10.0~11.999
12.0~47.999
48.0~84.0
ESR
Ω
max
80
50
70
Mode
Fundamental
Fundamental
3rd Overtone
Pad surface material Au
Table 2
Tolerance
Stability
25°C
-10~+70°C
-40~+85°C
±20ppm
Enquire
Enquire
Enquire
±30ppm
±50ppm
±100ppm
Please note that all parameters can not necessarily be specified in the same device
Customer to specify : Frequency, Frequency Tolerance, Temperature Stability, Operating Temperature & 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, Berkshire, RG41 2EY, UK
http://www.actcrystals.com
Issue 3 H2
Date 28/10/05
1 of 2
ACT [ ADVANCED CRYSTAL TECHNOLOGY ]
