SM12T Series
Miniature SMD Crystal
November 2018
• Pletronics’ SM12T Series is a m iniature
surface m ount crystal.
• Package is ideal for autom ated surface m ount
assem bly and reflow practices.
• Tape and Reel packaging
•
•
•
•
•
10 MHz to 80 MHz Fundam ental Mode
40 MHz to 150 MHz 3
rd
Overtone
3.5 x 6 m m 4 pad
AT Cut Crystal
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
Min
10
40
Calibration Frequency Tolerance
Frequency Stability over OTR
Equivalent Series Resistance
(ESR)
10
3
-
-
-
Drive Level
Shunt Capacitance
Aging
(C0)
-
-
-3
-2
Operating Temperature Range
Storage Temperature Range
AT Cut Crystal Frequency
versus Temperature
Typical Performance:
-40
-55
Max
80
150
50
150
60
50
100
100
5
+3
+2
+125
+125
Unit
MHz
MHz
ppm
ppm
Ohms
Ohms
Ohms
µW
pF
ppm /Yr
ppm /Yr
o
o
Condition
Fundamental Mode
3
rd
Overtone
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 to 50 MHz
40 MHz to 150 MHz
use 10 µW for testing
Pad to Pad capacitance
for the first year
after the first year
see part number for available options
3
rd
Overtone
Fundamental
C
C
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 standard warranty. Production
processsing does not necessarily include testing of all param eters.
Copyright © 2018, Pletronics Inc.
SM12T Series
Miniature SMD Crystal
November 2018
Part Number:
SM12T -18
-14.31818M-
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
E
= 60
o
C
L
= 90
o
C
T
= 120
o
C
o
o
F
= 65 C
M
= 95 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
C
= 0
o
C
H
= -25
o
C
N
= -50
o
C
o
o
D
= -5 C
J
= -30 C
P
= -55
o
C
E
= -10
o
C
K
= -35
o
C
Mode:
1
= Fundamental
3
= 3
rd
Overtone
Frequency Stability
See chart below
Calibration Frequency Tolerance
10
= _ 10 ppm at 25
o
C _ 3
o
C
+
+
15
= _ 15 ppm at 25
o
C _ 3
o
C
+
+
o
20
= _ 20 ppm at 25 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 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
o
C
0 to +70 C
-10 to +50 C
-10 to +60 C
-10 to +75 C
-20 to +70 C
-20 to +75 C
-30 to +75 C
-30 to +80
o
C
-30 to +85 C
-35 to +80 C
-40 to +85 C
-40 to +90 C
-40 to +105 C
-40 to +125 C
o
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
LU
_
+ 3.0
B
_
+ 5.0
C
_
+ 8.0
D
_
+ 10
E
_
+ 15
F
_
+ 20
G
_
+ 30
H
_
+ 50
J
_
+ 100
K
_
+ 150
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
S TD
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
www.pletronics.com
425-776-1880
2
SM12T Series
Miniature SMD Crystal
November 2018
Legacy Part Number (not for new designs):
SM12T B
E
-18
-11.0592M
-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
E
= -40 to +85
o
C
Calibration Tolerance / Frequency Stability
Blank = 50/50 (Standard)
A
= 30/50
B
= 30/30
C
= 15/30
D
= 10/20 (not all frequencies)
Model Number
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" (25.4m 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
3
SM12T Series
Miniature SMD Crystal
November 2018
Mechanical:
Inches
A
B
C
D
1
E
1
F
1
G
1
H
1
Contacts :
Gold 11.8 µinches 0.3 µm minimum over
Nickel 50 to 350 µinches 1.27 to 8.89 µm
J
1
Not to Scale
1
mm
3.5 + 0.2
_
6.0 + 0.2
_
1.2 max
0.9
0.1
1.5
1.4
3.0
0.1
0.138 _ 0.008
+
0.236 _ 0.008
+
0.047 max
0.035
0.004
0.059
0.055
0.118
0.004
Typical dimensions
Connection (top view):
Pad 2 and Pad 4 are com m on and connected
to the m etal cover. They are not connected to
the crystal.
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, pad 2 and/or pad 4 connected to ground.
www.pletronics.com
425-776-1880
4
SM12T Series
Miniature SMD Crystal
November 2018
Part Marking:
fff.fff
M
PymdC
W here
fff.fff
Pymd
C
= frequency in MHz
= Pletronics and Date code
= Capacitance load code (see table below)
•
•
Orientation of m arking m ay be m ixed on the tape
Traceability of part is lost once rem oved from reel
B
C
D
8
E
F
G
H
J
K
L
M
N
P
Q
R
S
T
U
V
W
X
Y
Code A
pF
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
5
