SM12S Series
Low Frequency Crystal
October 2005
• Pletronics’ SM12S Series is a miniature
surface mount crystal.
• Package is ideal for automated surface mount
assembly and reflow practices.
• Tape and Reel packaging
• 32.0 KHz or 32.768 KHz
• 1.82 x 4.95 mm 2 pad
• XY Cut Crystal
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, Mercury, PBB’s, PBDE’s
Weight of the Device: 0.02 grams
Moisture Sensitivity Level: 1 As defined in J-STD-020C
Second Level Interconnect code: e4
Part Number:
SM12S
-9
- 32.768K
-XX
Internal code or blank
Nominal Frequency in KHz
Available frequencies are
30.0K
and
32.768K
Load Capacitance
Blank = 12.5pF
9
= 9pF
7
= 7pF
(other values are special order)
Model Number
Reliability: Environmental Compliance
Parameter
Mechanical Shock
Vibration
Solderability
Thermal Shock
Condition
MIL-STD-883 Method 2002, Condition A
MIL-STD-883 Method 2007, Condition A
MIL-STD-883 Method 2003
MIL-STD-883 Method 1011, Condition A
Product informatin is current as of publication date. The product conforms
to specifications per the terms of the Pletronics standard warranty. Production
processsing does not necesarily include testing of all parameters.
Copyright © 2005, Pletronics Inc.
SM12S Series
Low Frequency Crystal
October 2005
Electrical Specification:
Item
Frequency
Calibration Frequency Tolerance
Equivalent Series Resistance
Drive Level
Turn Over Temperature
Temperature Coefficient
Q Factor
Shunt Capacitance
Motional Capacitance
Aging (for first year)
Insulation Resistance
Crystal Cut
Operating Temperature Range
Storage Temperature Range
Shock Resistance
Vibration Resistance
Reflow Resistance
-40
-55
-5
-5
-10
+85
+125
+5
+5
+10
o
Min
32.0
-30
--
--
20
-0.034
50000
1.0
2.5
-5
500M
Max
32.768
+30
65K
1.0
30
Unit
kHz
ppm
Ohms
uW
o
Condition
at +25
o
C
C
Nominal is 25
o
C
typical
ppm/
o
C
2
--
Q
pF
fF
+5
--
ppm/Yr
Ohms
Pin to Pin Capacitance, typical
typical
at 25
o
C +/-3
o
C
at 100V DC
XY Cut
C
C
o
ppm
ppm
ppm
XY Crystal Frequency
versus Temperature
Typical Performance:
Deviation (ppm)
0
-20
-40
-60
-80
-100
-120
-140
-160
-45
-35
-25
-15
-5
5
15
25
35
45
55
65
75
85
Temperature (C)
www.pletronics.com
425-776-1880
2
SM12S Series
Low Frequency Crystal
October 2005
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
Not to Scale
1
mm
1.82 _ 0.2
+
4.95 _ 0.2
+
0.95 max
0.1
1.6
0.1
0.8
3.15
0.072 _ 0.008
+
0.195 _ 0.008
+
0.037 max
0.004
0.063
0.004
0.031
0.124
Typical dimensions
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
Part Marking:
• Marking consists of a manufacturing date code
• Orientation of marking may be mixed on the tape
• Traceability of part’s specification is lost once removed from reel
Layout and application information
• Trace lengths to the crystal should be kept as short as possible.
• The crystal connections are sensitive to noise.
www.pletronics.com
425-776-1880
3
SM12S Series
Low Frequency Crystal
October 2005
Reflow Cycle (typical for lead free processing)
Temperature (°C)
250
200
150
100
175°C±10°C
260°C Maximum
10 Seconds Maximum
215°C±10°C
120 to 160 Seconds
Approximately 50 Seconds
Allowed rate of temperature change
Maximum 4°C per second
The part may be reflowed 2 times without degradation.
Tape and Reel: available for quantities of 250 to 1000 per reel
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
12 mm
B1
Max
12.1
E2 Min
F
P1
T2
Max
8.0
W
Max
16.3
Ao, Bo
& Ko
Note 1
Not to scale
14.25
7.5 _0.1
+
8.0 _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
16.4
+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
16.4
+2.0
-0.0
---
16.4
+2.0
-0.0
24.4
+2.0
-0.0
32.4
+2.0
-0.0
16.0
13.0
330.2
3.75
95.3
Tape
Width
mm
24.0
mm
---
---
32.0
Reel dimensions may vary from the above
www.pletronics.com
425-776-1880
4
SM12S Series
Low Frequency Crystal
October 2005
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 standard 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 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.
19013 36
th
Ave. W, Suite H
Lynnwood, Washington 98036-5761 USA
Tel: 425-776-1880
Fax: 425-776-2760
E-mail:
ple-sales@pletronics.com
URL:
www.pletronics.com
Copyright © 2005, Pletronics Inc.
www.pletronics.com
425-776-1880
5
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
