Product information is current as of publication date. The product conforms Copyright © 2010, Pletronics Inc.
to specifications per the terms of the Pletronics limited warranty. Production
processsing does not necessarily include testing of all parameters.
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
May 2010
• The Pletronics’ SM42 Series is a miniature
surface mount crystal
• The package is ideal for automated surface
mount assembly and reflow practices.
• Tape and Reel packaging
• 3 MHz to 70 MHz
• AT Cut Crystal
• SM42: 4.7 x 12.9 x 4.6 mm
•SM30: 4.7 x 12.9 x 3.5 mm
•SM25: 4.7 x 12.9 x 2.9 mm
Pletronics Inc. certifies this device is in accordance with the
RoHS (2002/95/EC) and WEEE (2002/96/EC) directives.
Pletronics Inc. guarantees the device does not contain the following:
Cadmium, Hexavalent Chromium, Lead (<1000 ppm), Mercury, PBB’s, PBDE’s
Weight of the Device: 0.62 grams
Moisture Sensitivity Level: 1 As defined in J-STD-020C
Second Level Interconnect code: e1, e2 or e3
Electrical Specification:
Item Min Max Unit Condition
Frequency Range 3 70 MHz AT cut
Calibration Frequency Tolerance - - ppm at +25oC +_ 3oC see table on page 3 for available
options
Frequency Stability over OTR - - ppm
Equivalent Series Resistance
(ESR) - 150 Ohms 3 to 4 MHz SM42
Fundamental
- 130 Ohms 4 to 5 MHz SM30/SM42
- 100 Ohms 5 to 6 MHz SM30/SM42
- 90 Ohms 6 to 7 MHz SM30/SM42
- 80 Ohms 7 to 9 MHz SM30/SM42
- 70 Ohms 9 to10 MHz SM25/SM30/SM42
60 Ohms 10 to 13 MHz SM25/SM30/SM42
50 Ohms 13 to 15 MHz SM25/SM30/SM42
40 Ohms 15 to 27 MHz SM25/SM30/SM42
- 30 Ohms 27 to 36 MHz SM25/SM30/SM42
- 100 Ohms 27 to 32 MHz SM25/SM30/SM42 3rd Overtone
- 80 Ohms 32 to 50 MHz SM25/SM30/SM42
- 60 Ohms 50 to 70 MHz SM25/SM30/SM42
Drive Level - 1 mW use 100 µW for testing
Shunt Capacitance (C0) - 7 pF Pad to Pad capacitance
Aging -5 +5 ppm /Yr at +25oC +_ 3oC
Specified Temperature Range -40 +85 oC see table on page 3 for available options
Storage Temperature Range -55 +125 oC
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
May 2010
www.pletronics.com 425-776-1880 2
-160
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
140
160
-60 -40 -20 0 20 40 60 80 100 120
Temper a t ur e (oC)
Deviation (ppm)
AT Cut Crystal Frequency
versus Temperature
Typical Performance:
Part Marking:
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, month and day) or year, week week
All other marking is internal factory codes
Some frequency marking examples: 3.579545M = 03579, 14.31818M = 14318, 24.0M = 24000
Specifications such as frequency tolerance and operating temperature range, etc. are not identified
from the marking. External packaging labels and packing list will correctly identify the ordered
Pletronics part number.
CodeABCDEFGHJKLMNPQR S TUVWXY
pF 101213 8 151820222426283032343627series335019161714
Codes for Date Code YMD
Code6789012345
Year 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Code A B C D E F G H J K L M
Month JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Code123456789ABC
Day123456789101112
Code D E F G H J K L M N P R
Day131415161718192021222324
Code T U V W X Y Z
Day25262728293031
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
May 2010
www.pletronics.com 425-776-1880 3
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 = 40oC G = 70oC
B = 45oCH = 75oC
C = 50oCJ = 80oC
D = 55oCK = 85oC
E = 60oC
F = 65oC
Lowest Specified Operating Temperature
A = +10oC F = -15oCL = -40oC
B = +5oCG = -20oC
C = 0oCH = -25oC
D = -5oCJ = -30oC
E = -10oCK = -35oC
Mode: 1 = Fundamental 3 =3rd Overtone
Frequency Stability See chart below
Calibration Frequency Tolerance
15 = +_ 15 ppm at 25oC +_ 3oC
20 = +_ 20 ppm at 25oC +_ 3oC
30 = +_ 30 ppm at 25oC +_ 3oC (Standard)
Frequency in MHz
Cload in pF
Parallel Resonance from 09 to 44 pF or
SR = Series Resonance
Series Model
Available Frequency Stability versus Temperature in ppm
Operating
Temperature Range DEFGHJ
CODE +_ 10 +_ 15 +_ 20 +_ 30 +_ 50 +_ 100
0 to +45oCCB !!!!!!
0 to +50oCCC !!!!!!
0 to +60oCCE !!!!!!
0 to +70oCCG !!!!STD !
-10 to +50oCEC !!!!!!
-10 to +60oCEE !!!!!!
-10 to +75oCEH !!!!!!
-20 to +70oCGG !!!!!!
-20 to +75oCGH !!!!!!
-30 to +75oCJH !!!!!!
-30 to +80oCJJ !!!!!!
-30 to +85oCJK !!!!!!
-35 to +80oCKJ !!!!!
-40 to +85oCLK !!!!!
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
May 2010
www.pletronics.com 425-776-1880 4
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 Rang e
Blank = 0 to + 70oC (STD)
E = -40 to +85oC
Calibration Tolerance / Frequency Stability
Blank = 30/50 (STD)
B = 30/30
C = 15/30
D = 10/20 (not all frequencies)
Series Model
Reliability: Environmental Compliance
Parameter Condition
Mechanical Shock MIL-STD-883 Method 2002, Condition B
Vibration MIL-STD-883 Method 2007, Condition A
Solderability MIL-STD-883 Method 2003
Thermal Shock MIL-STD-883 Method 1011, Condition A
Package Labeling
Label is 1" x 2.6" (25.4mm x 66.7mm) Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Courier New Font is Arial
Bar code is 39-Full ASCII
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
May 2010
www.pletronics.com 425-776-1880 5
Mechanical:
Inches mm
A 0.457 max 11.60 max
B 0.414 max 10.50 max
C 0.532 max 13.50 max
D 0.192 ± 0.008 4.88 ± 0.20
E 0.012 ± 0.004 0.30 ± 0.10
F 0.030 ± 0.008 0.75 ± 0.20
G 0.197 max 5.00 max
H 0.145 max 3.68 max
I 0.040 max 1.00 max
J 0.197 max 5.00 max
Contacts (3 types of lead plating used): K10.016 0.40
Matte Tin (Sn) L SM42 0.182 max 4.60 max
Tin over Copper (SnCu) L SM30 0.138 max 3.50 max
SAC (SnAgCu) Not to Scale L SM25 0.114 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 may need to be determined experimentally on the actual PCB.
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
May 2010
www.pletronics.com 425-776-1880 6
260°C Maximum
10 Seconds Maximum
215°C±10°C
Approximately 50 Seconds
Allowed rate of temperature change
Maximum 4°C per second
120 to 160 Seconds
100
150
200
250
Temperature (°C)
175°C±10°C
Reflow Cycle (typical for lead free processing)
The part may be reflowed 2 times without degradation.
Tape and Reel: available for quantities of 1000 per reel, cut tape for < 250
Constant Dimensions Table 1
Tape
Size D0 D1
Min E1 P0 P2 S1
Min T
Max
T1
Max
8mm
1.5
+0.1
-0.0
1.0
1.75
+_0.1
4.0
+_0.1
2.0
+_0.05
0.6 0.25 0.1
12mm 1.5
16mm 1.5 2.0
+_0.1
24mm 1.5
Variable Dimensions Table 2
Tape
Size B1
Max E2 Min F P1 T2
Max W
Max Ao, Bo
& Ko
24 mm 18 14.25 7.5 +_0.1 12.0 +_0.1 8 16.3 Note 1
Note 1: Embossed cavity to conform to EIA-481-B Dimensions in mm Not to scale
REEL DIMENSIONS
A inches 7.0 10.0 13.0
mm 177.8 254.0 330.2
B inches 2.50 4.00 3.75
mm 63.5 101.6 95.3 Tape
Width
C mm 13.0 +0.5 / -0.2
D mm 24.4
+2.0
-0.0
24.4
+2.0
-0.0
24.4
+2.0
-0.0
24.0
Reel dimensions may vary from the above
SM25 / SM30 / SM42 Series
Miniature SMD Crystal
May 2010
www.pletronics.com 425-776-1880 7
IMPORTANT NOTICE
Pletronics Incorporated (PLE) reserves the right to make corrections, improvements, modifications and
other changes to this product at anytime. PLE reserves the right to discontinue any product or service
without notice. Customers are responsible for obtaining the latest relevant information before placing orders
and should verify that such information is current and complete. All products are sold subject to PLE’s
terms and conditions of sale supplied at the time of order acknowledgment.
PLE warrants performance of this product to the specifications applicable at the time of sale in accordance
with PLE’s limited warranty. Testing and other quality control techniques are used to the extent PLE deems
necessary to support this warranty. Except where mandated by specific contractual documents, testing of
all parameters of each product is not necessarily performed.
PLE assumes no liability for application assistance or customer product design. Customers are responsible
for their products and applications using PLE components. To minimize the risks associated with the
customer products and applications, customers should provide adequate design and operating safeguards.
PLE products are not designed, intended, authorized or warranted to be suitable for use in life support
applications, devices or systems or other critical applications that may involve potential risks of death,
personal injury or severe property or environmental damage. Inclusion of PLE products in such applications
is understood to be fully at the risk of the customer. Use of PLE products in such applications requires the
written approval of an appropriate PLE officer. Questions concerning potential risk applications should be
directed to PLE.
PLE does not warrant or represent that any license, either express or implied, is granted under any PLE
patent right, copyright, artwork or other intellectual property right relating to any combination, machine or
process which PLE product or services are used. Information published by PLE regarding third-party
products or services does not constitute a license from PLE to use such products or services or a warranty
or endorsement thereof. Use of such information may require a license from a third party under the patents
or other intellectual property of the third party, or a license from PLE under the patents or other intellectual
property of PLE.
Reproduction of information in PLE data sheets or web site is permissible only if the reproduction is without
alteration and is accompanied by associated warranties, conditions, limitations and notices. Reproduction
of this information with alteration is an unfair and deceptive business practice. PLE is not responsible or
liable for such altered documents.
Resale of PLE products or services with statements different from or beyond the parameters stated by PLE
for that product or service voids all express and implied warranties for the associated PLE product or
service and is an unfair or deceptive business practice. PLE is not responsible for any such statements.
Contacting Pletronics Inc.
Pletronics Inc. Tel: 425-776-1880
19013 36th Ave. West Fax: 425-776-2760
Lynnwood, WA 98036-5761 USA E-mail: ple-sales@pletronics.com
URL: www.pletronics.com
Copyright © 2007, 2010 Pletronics Inc.
