ACT ACT844SMX-2

Tel : 0044 (0)118 979 1238
Fax : 0044 (0)118 979 1283
email : info@actcrystals.com
ACT844SMX-2
The ACT844SMX-2 family is a low cost, 2 pad, high quality, low aging 8x4.5mm SMD Crystal in a
ceramic base / ceramic lid package, glass sealed for good reliability. The wide frequency range and
specification options ensure suitability for many applications.
APPLICATIONS: Instrumentation, Audio-visual, Office automation, Micro Clock, Process Control
& Consumer.
Specification
Parameter
Symbol
Specification
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
Insulation Resistance
fo
Δf/fo
Tc
Topr
Tstg
ESR
CL
C0
DL
IR
6.0 ~ 150.0MHz
±20,±30 & ±50ppm(Std )
±20ppm ~ 50ppm (See table 2)
0~+50°C ~ -20~+70°C ( See table 2)
-40 ~+85°C
See table 1
16pF ~ 50pF & Series
5pF max
100μW typical (500μW max)
500MΩ min
±5ppm p/year*
Aging
Fa
*
Condition
Please specify
Please specify
Please specify
Please specify
(16,20 & 30pF Std )
(custom available - Please enquire)
@100V DC
(First year max @ 25°C)
A ±3ppm aging p/year part is available as a "semi-custom" device - Please enquire
Table 1
Freq. Range
(MHz)
ESR (Ω) max
6.000 ~ 9.999
10.000 ~ 11.999
12.000 ~ 14.999
15.000 ~ 49.100
40.000 ~ 79.999
80.000 ~ 90.000
90.001 ~ 150.000
100
80
60
50
90
90
150
Mode / Cut
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
RD
3 Overtone / AT
RD
3 Overtone / AT
RD
3 Overtone / AT
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 2 C1F
Date 03/05/06
1 of 3
Tel : 0044 (0)118 979 1238
Fax : 0044 (0)118 979 1283
email : info@actcrystals.com
ACT844SMX-2
Table 2
Stability
Temp
+/- 5ppm
+/- 10ppm +/- 20ppm +/- 30ppm +/- 50ppm
0~+50°C
O
O
O
-10+60°C
O
O
O
-20~+70°C
O
O
O
O
-30~+80°C
Standard stabilities
-40~+85°C
Standard Re-flow Profile
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 2 C1F
Date 03/05/06
2 of 3
Tel : 0044 (0)118 979 1238
Fax : 0044 (0)118 979 1283
email : info@actcrystals.com
ACT844SMX-2
TAPE & REEL SPECIFICATION
( IK pcs each reel )
Tolerance
Dimension
W
Wo W1
±0.3 ±0.15 ±0.1
16.0 7.5
8.5
TAPE
Lo
L1
Ho
H1
±0.1 ±0.1 ±0.05 ±0.1
5.05 8.0
0.3 2.25
A
±2
180
REEL
B
C
D
±1 ±1.0/-.5 ±0.2
60 17.5 2.0
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 2 C1F
Date 03/05/06
3 of 3