SM25 / SM30 / SM42 Series
Miniature SMD Crystal
November 2018
• The Pletronics’ SM42 Series is a m iniature
surface m ount crystal
• The package is ideal for autom ated surface
m ount assem bly and reflow practices.
• Tape and Reel packaging
• 3 MHz to 70 MHz
• AT Cut Crystal
• SM42: 4.7 x 13.5 x 4.6 m m
•
SM30: 4.7 x 13.5 x 3.5 m m
•
SM25: 4.7 x 13.5 x 2.9 m m
Pletronics Inc. certifies this device is in accordance with the
RoHS (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 (<1000 ppm ), Mercury, PBB’s, PBDE’s
W eight of the Device: 0.62 gram s
Moisture Sensitivity Level: 1 As defined in J-STD-020C
Second Level Interconnect code: e1, e2 or e3
Electrical Specification:
Item
Frequency Range
Calibration Frequency Tolerance
Frequency Stability over OTR
Equivalent Series Resistance
(ESR)
Min
3
-
-
-
-
-
-
-
-
Max
70
-
-
150
130
100
90
80
70
60
50
40
-
-
-
-
Drive Level
Shunt Capacitance
Aging
Specified Temperature Range
Storage Temperature Range
(C0)
-
-
-5
-55
-55
30
100
80
60
1
7
+5
+125
+125
Unit
MHz
ppm
ppm
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
mW
pF
ppm /Yr
o
o
Condition
AT cut
at +25
o
C + 3
o
C
_
see table on page 3 for available
options
3 to 4 MHz
4 to 5 MHz
5 to 6 MHz
6 to 7 MHz
7 to 9 MHz
9 to10 MHz
SM42
SM30/SM42
SM30/SM42
SM30/SM42
SM30/SM42
SM25/SM30/SM42
Fundamental
10 to 13 MHz SM25/SM30/SM42
13 to 15 MHz SM25/SM30/SM42
15 to 27 MHz SM25/SM30/SM42
27 to 36 MHz SM25/SM30/SM42
27 to 32 MHz SM25/SM30/SM42
32 to 50 MHz SM25/SM30/SM42
50 to 70 MHz SM25/SM30/SM42
use 100 µW for testing
Pad to Pad capacitance
at +25
o
C _ 3
o
C
+
see table on page 3 for available options
3
rd
Overtone
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 lim ited warranty. Production
processsing does not necessarily include testing of all param eters.
Copyright © 2018, Pletronics Inc.
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
November 2018
AT Cut Crystal Frequency
versus Temperature
Typical Performance:
Part M arking:
SxFFFFFPymdz
or
LSxFFFFzywwz
Legend:
S
= Model code for SM42, Z = SM25, 5 = SM30
x
= Capacitance load code from below
FFFFF
= Frequency coded
P or L
= Pletronics
ymd or yww
= Date of Manufacture (year, m onth and day) or year, week week
All other m arking is internal factory codes
Som e frequency m arking exam ples: 3.579545M = 03579, 14.31818M = 14318, 24.0M = 24000
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.
Code
pF
A
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
Code
4
5
6
2014
2016
Year
2015
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
2
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
November 2018
Part Number:
SM42
-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
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
o
o
D
= 55 C
K
= 85 C
S
= 115
o
C
E
= 60
o
C
L
= 90
o
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
o
o
B
= +5 C
G
= -20 C
M
= -45
o
C
C
= 0
o
C
H
= -25
o
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
Mode:
1
= Fundamental
Frequency Stability
3
=3rd Overtone
See chart below
Calibration Frequency Tolerance
15
= _ 15 ppm at 25
o
C _ 3
o
C
+
+
o
20
= _ 20 ppm at 25 C _ 3
o
C
+
+
o
30
= _ 30 ppm at 25 C _ 3
o
C (Standard)
+
+
50
= + 50 ppm at 25
o
C + 3
o
C
_
_
Frequency in MHz
Cload in pF
Parallel Resonance from
09
to
44
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
o
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
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
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
S TD
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
N O T E : These are standard available stability versus tem perature values. O ther com binations available on request.
www.pletronics.com
425-776-1880
3
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
November 2018
Legacy Part Number (not for new designs):
SM42
B
E
-18
-11.0592M
-XX
Internal code or blank
Frequency in MHz
Cload in pF
Parallel Resonance in 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
C
= 15/30
D
= 10/20 (not all frequencies)
Series Model
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
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
November 2018
Mechanical:
Inches
A
B
C
D
E
F
G
H
I
J
Contacts (3 types of lead plating used):
Matte Tin (Sn)
Tin over Copper (SnCu)
SAC (SnAgCu)
Not to Scale
K
1
L SM42
L SM30
L SM25
0.457 max
0.414 max
0.532 max
0.192 ± 0.008
0.012 ± 0.004
0.030 ± 0.008
0.197 max
0.145 max
0.040 max
0.197 max
0.016
0.182 max
0.138 max
0.114 max
mm
11.60 max
10.50 max
13.50 max
4.88 ± 0.20
0.30 ± 0.10
0.75 ± 0.20
5.00 max
3.68 max
1.00 max
5.00 max
0.40
4.60 max
3.50 max
2.90 max
1
Typical dimensions
Layout and application information
•
•
•
Trace lengths to the crystal should be kept as short as possible.
The crystal connections are sensitive to noise.
Cload m ay need to be determ ined experim entally on the actual PCB.
www.pletronics.com
425-776-1880
5
实时操作系统RTOS
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
