SM12T2 Series
Miniature SMD Crystal
November 2018
• The Pletronics’ SM12T2 Series is a m iniature
surface m ount crystal with either a m etal or
ceram ic cover.
• The package is ideal for autom ated surface
m ount assem bly and reflow practices.
• Tape and Reel packaging
•
•
•
•
10 MHz to 50 MHz
3.5 x 6 m m 2 pad
AT Cut Crystals Fundam ental Mode
Ideal for use in hand held consum er 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:
Cadm ium , Hexavalent Chrom ium , Lead, Mercury, PBB’s, PBDE’s
W eight of the Device: 0.06 gram s
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 over OTR
Equivalent Series Resistance
(ESR)
Drive Level
Shunt Capacitance
Aging
Operating Temperature Range
Storage Temperature Range
(C0)
Min
10
-10
-10
-
-
-
-
-5
-40
-55
Max
50
+100
+100
60
40
100
5
+5
+85
+125
Unit
MHz
ppm
ppm
Ohms
Ohms
µW
pF
ppm /Yr
o
o
Condition
AT cut Fundamental
at +25
o
C + 3
o
C, see part number for options
_
see part number for available options
10 MHz to 16 MHz
>16 MHz
use 10 µW for testing
Pad to Pad capacitance
at +25
o
C _ 3
o
C
+
see part number for available options
Fundamental
C
C
AT Cut Crystal Frequency
versus Temperature
Typical Performance:
P roduct inform ation is current as of publication date. T he product conform s
to specifications per the term s of the P letronics lim ited warranty. Production
processsing does not necessarily include testing of all param eters.
Copyright © 2018, Pletronics Inc.
SM12T2 Series
Miniature SMD Crystal
November 2018
Part Number:
SM12T2 -18
-14.31818M
-50
H
1
G
G
-XX
See chart below for available options
Internal code or blank
Highest Specified Operating Temperature
A
= 40
o
C
G
= 70
o
C
B
= 45
o
C
H
= 75
o
C
o
C
= 50 C
J
= 80
o
C
D
= 55
o
C
K
= 85
o
C
E
= 60
o
C
F
= 65
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
C
= 0
o
C
H
= -25
o
C
D
= -5
o
C
J
= -30
o
C
o
E
= -10 C
K
= -35
o
C
Mode:
1
= Fundamental
Frequency Stability
See chart below
Calibration Frequency Tolerance
10
= _ 10 ppm at 25
o
C _ 3
o
C
+
+
o
15
= _ 15 ppm at 25 C _ 3
o
C
+
+
20
= _ 20 ppm at 25
o
C _ 3
o
C
+
+
o
50
= _ 50 ppm at 25 C _ 3
o
C (Standard)
+
+
Frequency in MHz
Cload in pF
Parallel Resonance from
06
to
32
pF (18 pF std) or
SR
= Series Resonance
Series Model
A vailable Frequency Stability versus Tem perature in ppm
O perating
T em perature Range
0 to +45 C
0 to +50 C
0 to +60 C
0 to +70 C
-10 to +50
o
C
-10 to +60 C
-10 to +75 C
-20 to +70 C
-20 to +75 C
-30 to +75 C
-30 to +80 C
-30 to +85 C
-35 to +80
o
C
-40 to +85 C
o
o
o
o
o
o
o
o
o
o
o
o
D
CODE
CB
CC
CE
CG
EC
EE
EH
GG
GH
JH
JJ
JK
KJ
LK
_
+ 10
E
_
+ 15
F
_
+ 20
G
_
+ 30
H
_
+ 50
J
_
+ 100
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S TD
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www.pletronics.com
425-776-1880
2
SM12T2 Series
Miniature SMD Crystal
November 2018
Part Marking:
FF.FFF
M
Pymdxz
Legend:
P
= Pletronics
x
= Capacitance load code from below
FF.FFM
= Frequency in MHz
YMD
= Date of Manufacture (year, m onth and day)
All other m arking is internal factory codes
Specifications such as frequency tolerance and operating tem perature range, etc. are not identified
from the m arking. External packaging labels and packing list will correctly identify the ordered
Pletronics part num ber.
•
•
Orientation of m arking m ay be m ixed on the tape
Traceability of part is lost once rem oved from reel
Code A
pF
B
C
D
8
E
F
G
H
J
K
L
M
N
P
Q
R
S
T
U
V
W
X
Y
10 12 13
15 18 20 22 24 26 28 30 32 34 36 27 series 33 50 19 16 17 14
Codes for Date Code YM D
4
Code
5
6
2014
2015
2016
Year
Code
Month
Code
Day
Code
Day
Code
Day
1
1
D
13
T
25
A
JAN
2
2
E
14
U
26
B
FEB
3
3
F
15
V
27
C
MAR
4
4
G
16
W
28
7
2017
D
APR
E
MAY
5
5
H
17
X
29
8
2018
F
JUN
6
6
J
18
Y
30
9
2019
G
JUL
7
7
K
19
Z
31
H
AUG
8
8
L
20
0
2020
J
SEP
9
9
M
21
K
OCT
A
10
N
22
L
NOV
B
11
P
23
M
DEC
C
12
R
24
www.pletronics.com
425-776-1880
3
SM12T2 Series
Miniature SMD Crystal
November 2018
Reliability: Environmental Com pliance
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" (25.4m m x 66.7m m )
Font is Courier New
Bar code is 39-Full ASCII
Label is 1" x 2.6" (25.4m m x 66.7m m )
Font is Arial
www.pletronics.com
425-776-1880
4
SM12T2 Series
Miniature SMD Crystal
November 2018
Mechanical:
Inches
A
B
C
D
1
E
1
0.138 _ 0.008
+
0.236 _ 0.008
+
0.044 max
0.079
mm
3.5 + 0.2
_
6.0 + 0.2
_
1.1 max
2.0
3.0
0.118
1
Typical dimensions
Not to Scale
Contacts :
Gold 11.8 µinches
0.3 µm minimum over Nickel 50 to 350 µinches
1.27 to 8.89 µm
Connection (top view):
Layout and application information
•
•
•
Trace lengths to the crystal should be kept as short as possible.
The crystal connections are sensitive to noise.
The package should be grounded for optim um perform ance.
www.pletronics.com
425-776-1880
5
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