SM8T Series
Miniature SMD Crystal
January 2008
• Pletronics’ SM8T Series is a miniature low
profile surface mount crystal.
• Package is ideal for automated surface mount
assembly and reflow practices.
• Tape and Reel packaging
•
•
•
•
20 MHz to 80 MHZ
1.6 x 2.0 mm 4 pad
AT Cut Fundamental Crystal
Ideal for use in hand held consumer products
Pletronics Inc. certifies this device is in accordance with the
RoHS 6/9 (2002/95/EC) and WEEE (2002/96/EC) directives.
Pletronics Inc. guarantees the device does not contain the following:
Cadmium, Hexavalent Chromium, Lead, Mercury, PBB’s, PBDE’s
Weight of the Device: 0.02 grams
Moisture Sensitivity Level: 1 As defined in J-STD-020C
Second Level Interconnect code: e4
Electrical Specification
:
Item
Frequency Range
Calibration Frequency Tolerance
Frequency Stability
Equivalent Series Resistance
(ESR)
Min
20
50
50
-
-
-
-
Drive Level
Shunt Capacitance
_
Aging at 25
o
C + 3
o
C
(C0)
-
-
-5
-2
Operating Temperature Range
Storage Temperature Range
-40
-55
160
140
120
100
80
Max
80
150
150
120
100
80
60
100
5
+5
+2
+125
+125
Unit
MHZ
ppm
ppm
Ohms
Ohms
Ohms
Ohms
µW
pF
ppm /Yr
ppm /Yr
o
Condition
_
at +25
o
C + 3
o
C, see part number for options
see part number for available options
to 23 MHZ
to 26 MHZ
to 36 MHz
> 36 MHz
use 10 µW for testing
Pad to Pad capacitance
for the first year at +25
o
C + 3
o
C
_
after the first year at +25
o
C + 3
o
C
_
see part number for available specified
tolerance range options
C
C
o
Deviation (ppm)
AT Cut Crystal Frequency
versus Temperature
Typical Performance:
60
40
20
0
-20
-40
-60
-80
-100
-120
-140
-160
-60
-40
-20
0
20
40
60
80
100
120
Temperature (
o
C)
Product information is current as of publication date. The product conforms
to specifications per the terms of the Pletronics standard warranty. Production
processsing does not necessarily include testing of all parameters.
Copyright © 2008, Pletronics Inc.
PLETRONICS [ PLETRONICS, INC. ]
