Tel : 0044 (0)118 979 1238
Fax : 0044 (0)118 979 1283
email : info@actcrystals.com
ACT320SMX-4
The ACT320SMX-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 via the package to reduce EMI issues. The wide frequency range and specification
options
ensure
suitability
for
many
applications.
.
APPLICATIONS: Bluetooth, WLAN, PDA, Pagers, Card readers, Cellular, PC Accessories,
Notebook, Audio-visual, PCMCIA, MP3, Consumer & Communications.
Specification
Parameter
Symbol
fo
Δf/fo
Tc
Topr
Tstg
ESR
CL
Specification
Condition
Frequency Range
14.7456MHz & 16.000 ~ 50.000MHz
±5,±10,±15,±20,±30 & ±50ppm(Std )
±5ppm ~ 50ppm (See table 2)
0~+50°C ~ -40~+85°C ( See table 2)
-40 ~+85°C
Please specify
Please specify
Please specify
Please specify
Frequency Tolerance (@25°C)
Stability over temp range
Temp Operating Range
Temp Storage Range
Equivalent Series Resistance
Load Capacitance
See table 1
8pF ~ 50pF & Series
(16,20 & 30pF Std. Please specify )
Shunt Capacitance
Drive Level
C0
DL
5pF max
100μW typical (500μW max)
(Custom available - Please enquire)
DLD6 <1.3
(min-max ratio)
Drive Level Dependency
DLD
0.01, 0.1,1,10,100,500μW steps
FL min to max <10ppm
500MΩ min
Insulation Resistance
Aging
IR
@100V DC
±3ppm per year **
Fa
(First year max @ 25°C)
Dimensions (mm)
** aging ±1.00ppm /year device available, to order, as a "semi-
custom" part - Please enquire.
Table 1
Freq. Range
(MHz)
Mode / Cut
ESR (
)
Ω
max
100*
60*
14.000 ~ 14.999
15.000 ~ 19.999
20.000 ~ 50.000
Fundamental / AT
Fundamental / AT
Fundamental / AT
50
*
Tighter ESR may be available please enquire
Table 2
Connections
#1. Crystal
Stability
Temp
+/- 5ppm +/- 10ppm +/- 20ppm +/- 30ppm +/- 50ppm
#2. Grounded to lid
#3. Crystal
#4. Grounded to lid
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
0~+50°C
Available stabilities
-10+60°C
-20~+70°C
-20~+85°C
-30~+80°C
-40~+85°C
Only available for
frequencies ≥30MHz
Standard stabilities
Pad Surface Material: Gold (Au)
Please note that all parameters can not necessarily be specified in the same devic
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
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