SM10T Series
Miniature SMD Crystal
March 2015
• Pletronics’ SM10T Series is a miniature
surface mount crystal.
• Package is ideal for automated surface mount
assembly and reflow practices.
• Tape and Reel packaging
•
•
•
•
12 MHz to 67.5 MHz
2.5 x 3.2 mm 4 pad
AT Cut Fundamental and 3
rd
Overtone Crystals
Ideal for use in hand held consumer products
Pletronics Inc. certifies this device is in accordance with the
RoHS 6/6 (2011/65/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: 0.03 grams
Moisture Sensitivity Level: 1 As defined in J-STD-020D.1
Second Level Interconnect code: e4
Electrical Specification
:
Item
Frequency Range
Calibration Frequency Tolerance
Frequency Stability
Equivalent Series Resistance
(ESR)
Min
12
10
3
-
-
-
-
-
-
Drive Level
Shunt Capacitance
Aging at 25
o
C + 3
o
C
_
(C0)
-
-
-5
-2
Operating Temperature Range
Storage Temperature Range
-40
-55
Max
60
50
150
120
100
80
70
50
80
100
5
+5
+2
+125
+125
160
140
120
100
80
60
40
20
0
-20
-40
-60
-80
-100
-120
-140
-160
-60
-40
-20
0
20
40
o
Unit
MHz
ppm
ppm
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
µW
pF
ppm /Yr
ppm /Yr
o
o
Condition
at +25
o
C _ 3
o
C, see part number for options
+
see part number for available options
12 MHz to 14.318 MHz
14.318 MHz to 16 MHz
16 MHz to 20 MHz
20 MHz to 30 MHz
30 MHz to 50 MHz
above 50 MHz
use 10 µW for testing
Pad to Pad capacitance
for the first year
after the first year
see part number for available options
C
C
AT Cut Crystal Frequency versus
Temperature Typical Performance:
Deviation (ppm)
60
80
100
120
Temperature ( 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 © 2009, Pletronics Inc.
SM10T Series
Miniature SMD Crystal
March 2015
Part Number:
SM10T -18 -16.384M
-20
E
1 L K
-XX
See chart below for available options
Internal code or blank
Highest Specified Operating Temperature
A
= 40
o
C
G
= 70
o
C
N
= 100
o
C
B
= 45
o
C
H
= 75
o
C
P
= 105
o
C
C
= 50
o
C
J
= 80
o
C
R
= 110
o
C
D
= 55
o
C
K
= 85
o
C
S
= 115
o
C
o
o
E
= 60 C
L
= 90 C
T
= 120
o
C
F
= 65
o
C
M
= 95
o
C
U
= 125
o
C
Lowest Specified Operating Temperature
A
= +10
o
C
F
= -15
o
C
L
= -40
o
C
B
= +5
o
C
G
= -20
o
C
M
= -45
o
C
o
o
C=
0 C
H
= -25 C
N
= -50
o
C
D
= -5
o
C
J
= -30
o
C
P
= -55
o
C
E
= -10
o
C
K
= -35
o
C
Fundamental mode AT cut crystal
1
= Fundamental AT cut crystal
3
= 3
rd
Overtone AT cut crystal
Frequency Stability
See chart below
Calibration Frequency Tolerance (Typ. Values shown)
10
= _ 10 ppm at 25
o
C _ 3
o
C
+
+
o
15
= _ 15 ppm at 25 C _ 3
o
C
+
+
o
20
= _ 20 ppm at 25 C _ 3
o
C
+
+
30
= _ 30 ppm at 25
o
C _ 3
o
C (Standard)
+
+
o
50
= _ 50 ppm at 25 C _ 3
o
C
+
+
Frequency in MHZ
Cload in pF
Parallel Resonance from
06
to
32
pF or
SR
= Series Resonance
Model Number
Available Frequency Stability versus Temperature in ppm
Operating
Temperature
Range
0 to +45 C
0 to +50 C
0 to +60 C
0 to +70 C
-10 to +50 C
-10 to +60 C
-10 to +75 C
-20 to +70
o
C
-20 to +75 C
-30 to +75 C
-30 to +80 C
-30 to +85 C
-35 to +80 C
-40 to +85 C
-40 to +90 C
-40 to +105
o
C
o
o
o
o
o
o
o
o
o
o
o
o
o
o
A
CODE
CB
CC
CE
CG
EC
EE
EH
GG
GH
JH
JJ
JK
KJ
LK
LL
LP
_
+ 3.0
B
_
+ 5.0
C
+ 8.0
_
D
+ 10
_
E
+ 15
_
F
+ 20
_
G
+ 30
_
H
+ 50
_
J
+ 100
_
K
_ 150
+
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STD
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www.pletronics.com
425-776-1880
2
SM10T Series
Miniature SMD Crystal
March 2015
-40 to +125
o
C
LU
!
!
!
Legacy Part Number (not for new designs):
SM10T B
E
-18
-23.45M
-XX
Internal code or blank
Frequency in MHz
Cload in pF
Parallel Resonance from 6 to 32 pF or
SR
= Series Resonance
Operating Temperature Range
Blank = 0 to + 70
o
C (STD
E
= -40 to +85
o
C
Calibration Tolerance / Frequency Stability
Blank = 30/50 (STD)
B
= 30/30
Series Model
Reliability: Environmental Compliance
Parameter
Mechanical Shock
Vibration
Solderability
Thermal Shock
Condition
MIL-STD-883 Method 2002, Condition B
MIL-STD-883 Method 2007, Condition A
MIL-STD-883 Method 2003
MIL-STD-883 Method 1011, Condition A
Package Labeling
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Courier New
Bar code is 39-Full ASCII
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Arial
www.pletronics.com
425-776-1880
3
SM10T Series
Miniature SMD Crystal
March 2015
Mechanical:
Inches
A
0.098 _ 0.004
+
0.126 _ 0.004
+
0.028 max
0.028 to 0.031
0.004
mm
2.5 _ 0.15
+
3.2 _ 0.15
+
0.7 max
0.7 to 0.8
0.1
A - (2 * (D + E))
0.035
0.047
0.004
0.9
1.2
0.1
4
4
1
B
C
D
1
3
3
2
E
1
F
1
G
1
The chamfered pad may or
may not be present and may be on any pad
Contacts :
Gold 11.8 µinches 0.3 µm minimum
over
Nickel 50 to 350 µinches 1.27 to 8.89 µm
Not to Scale
Typical
dimensions
1
H
1
J
1
Connection (top view):
1
4
Pad 2 and Pad 4 are common and connected
to the metal cover. They are not connected to
the crystal. Connected to ground is
recommended
The crystal is symmetrical, there is no Pad 1
preference. The part can be rotated 180
o
when
being assembled on the PCB and will still
perform correctly.
2
3
Marking:
•
•
•
•
•
•
P
= Pletronics
ff.ffM or ff.f
= Frequency
ymd or ym
= Year Month Day or Year Month, see code below
z
= Internal information
Orientation of marking may be mixed on the tape
Traceability of part is lost once removed from reel
Pff.ffM
ymdz
OR
ff.ffM
Pymdz
OR
ff.fym
Codes for Date Code YMD
Code
3
Code
A
4
5
6
7
B
C
D
E
F
G
H
J
K
L
M
Year
2013 2014 2015 2016 2017
Month
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Code
Day
Code
Day
1
1
H
17
2
2
J
18
3
3
K
19
4
4
L
20
5
5
M
21
6
6
N
22
7
7
P
23
8
8
R
24
9
9
T
25
A
10
U
26
B
11
V
27
C
12
W
28
D
13
X
29
E
14
Y
30
F
15
Z
31
G
16
www.pletronics.com
425-776-1880
4
SM10T Series
Miniature SMD Crystal
March 2015
Reflow Cycle (typical for lead free processing)
Temperature (°
C)
250
200
150
100
175°
C±10°
C
260° Maximum
C
10 Seconds Maximum
215°
C±10°
C
120 to 160 Seconds
Approximately 50 Seconds
Allowed rate of temperature change
Maximum 4° per second
C
The part may be reflowed 2 times without degradation.
Tape and Reel: available for quantities of 250 to 3000 per reel
(<1000 will be cut tape)
Constant Dimensions Table 1
Tape
Size
8mm
12mm
16mm
24mm
1.5
+0.1
-0.0
D1
Min
1.0
1.5
1.5
1.5
1.75
_0.1
+
4.0
0.6
_0.1
+
2.0
_0.1
+
0.25
0.1
S1
Min
T
Max
T1
Max
D0
E1
P0
P2
2.0
_0.05
+
Variable Dimensions Table 2
Tape
Size
8 mm
B1
Max
3.5
E2 Min
F
P1
T2
Max
1.0
W
Max
8.9
Ao, Bo &
Ko
Note 1
Not to scale
6.4
1.7 _0.1
+
4.0 _0.1
+
Note 1: Embossed cavity to conform to EIA-481-B
Dimensions in mm
REEL DIMENSIONS
A
inches
mm
B
inches
mm
C
D
mm
mm
8.4
+2.0
-0.0
7.0
177.8
2.50
63.5
10.0
254.0
4.00
101.6
13.0 +0.5 / -0.2
8.4
+2.0
-0.0
8.4
+2.0
-0.0
8.0
13.0
330.2
3.75
95.3
Tape
Width
Reel dimensions may vary from the above
www.pletronics.com
425-776-1880
5
stm32/stm8
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