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email :
0044 (0)118 979 1238
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info@actcrystals.com
ACT325SMX-4
The ACT325SMX-4 is a low cost, 4 pad, high quality, low aging 3X2.5mm SMD Crystal in a ceramic
base / metal lid package, seam welded for good long term reliability. The device has the lid grounded
the package to reduce EMI issues. The wide frequency range and specification options ensure
suitability for many equipments.
APPLICATIONS: Bluetooth, WLAN, PDA, Pagers, Card readers, Cellular, PC Accessories, Notebook,
Audio-visual, PCMCIA, MP3, Consumer & Communications.
Specification
Parameter
Symbol
Specification
Condition
Frequency Range
Frequency Tolerance (@25°C)
Stability over temp range
Temp Operating Range
Temp Storage Range
Equivalent Series Resistance
Load Capacitance
Shunt Capacitance
Drive Level
fo
Δf/fo
Tc
Topr
Tstg
ESR
CL
C0
DL
IR
Fa
12.000MHz ~ 54.000MHz
10 ppm ~ 100ppm
Refer to table 2
Fundamental, AT Cut
Please specify
Please specify
-10 ~60°C, -20 ~70°C or -40 ~ 85°C
-55 ~ 125°C
Please specify
See table below
(12pF typical)
Please specify
5.0 pF max
10µW ( 100µW max )
500MΩ min
±3.0 ppm /year max
Insulation Resistance
Aging
@100V DC
@25°C
Table 1
ESR (Ω) max
Freq. Range
Mode
Standard Frequencies
MHz
(MHz)
12.000 ~ 13.999
14.000 ~ 15.999
16.000 ~ 19.999
20.000 ~ 29.999
30.000 ~ 54.000
150
100
80
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
12.000000
13.000000
14.318180
14.745600
16.000000
16.384000
17.734475
18.432000
20.000000
24.000000
24.576000
26.000000
27.000000
30.000000
32.000000
40.000000
48.000000
60
50
Pad Surface Material
Gold (Au)
Dimensions (mm)
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 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 1 SKr
Date: 17/12/06
1 of 3