Seiko SC-32S User manual

Messrs.
（first ・ revised）
Product No. ：Quartz Crystal Unit SC-32S
Item code ：
Product for
m
：32.768kHz ±20 × 10-6 / 12.5pF
The number of copies ：1copy
Data of registration ：
〈
NOTICE
〉
1. Advance agreement will be needed before changing any contents of the specification herein.
2. Provided that the information herein is subject to change, only revised pages shall be reissued.
3. When the product described herein includes Regulated Products subject The Wassenaar Arrangement
etc, they may not be exported without authorization form the appropriate governmental authorities.
4. The contents of this specification including all figures and illustrations are proprietary information
( copyright or know-how ) of Seiko Instruments Inc. It is strictly prohibited to copy all or part of these
specifications to third parties without permission.
5. In the case that the products described herein are used as part of any devices or equipment which might
influence any one of the human body, human life and property, such as physical exercise equipment,
medical equipment or vehicles, please let us know that.
Seiko Instruments Inc.
Quartz Crystal Division
1-8, Nakase, Mihamaku, Chiba shi,
Chiba 261-8507 Japan
Sales Section
Specifications No.
Dept. of Issue Dept. of Control
Quality Assurance Section
Delivery Specifications
Receipt Column Note
CONFIDENTIAL

1/11
Delivery Specifications
１．Scope
These specifications apply to QUARTZ CRYSTAL RESONATORS ( hereinafter
referred to as RESONATORS ) to be manufactured by Seiko Instruments Inc.
( hereinafter referred to as SII ) to
２．Designation
RESONATORS are designated"SC-32S" ( 32.768 kHz ).
３．Shape and dimensions
As per the SC-32S drawing shown on page 5 .
４．Electrical characteristics
Specified on page 2 through 3 .
５．Shipment and packaging
5.1 ( 3,000 ) pcs are the standard lot size to which the lot number shall be allotted
5.2 The packaging shall conform to the resonator packaging standards.
６．Outgoing inspection
6.1 When mutually agreed, the outgoing inspection shall be conducted as per
6.2 The outgoing inspection slip is not basically affixed to each packaging.
７．Warranty
In the event that any defective RESONATORS or defective lot is found at
incoming inspection at and that
any defect resulting from failures in process-control at SII after incoming
inspection is found, good RESONATORS shall be supplied to
free of charge as a replacement.
In the event that any trouble or problems rising directly from RESONATORS
occurs, it will be amicably settled between both parties, provided that
warranty shall be done within the score of replacement of good RESONATORS.
８．Amendment or abolition of the specifications
Amendment or abolition of the specifications shall be made upon mutual consent
between and SII. If any problem arises,
it shall be amicably settled between both parties.
９.Effectiveness of the specifications
These specifications are effective after receipt of returned copies with your
approved sign.
10．Others
This product is completely Pb-free and Halogen-free.
the standard on page 4.

2/11
［1］ The maximum rating
Item Symbol Rating
1 Storage temperature range T_stg -55～+125℃
2 Maximum drive level DL max. 0.5 μW max.
［2］ Recommended Operating Condition
Item Symbol Rating
1 Operating temperature range T_use -40～+85℃
2 Drive level DL 0.1 μW typ.
［3］ Electrical-Characteristics Measurement temperature :25±2℃
Item Symbol Specifications
1 Nominal frequency f_nom 32.768 kHz
2 Frequency tolerance f_tol ± 20 × 10-6
3 Load capacitance CL12.5 pF
4 Motional resistance R170 kΩ max. Measured with ATI 4192A
Impedance analyzer
OSC LEVEL = 0.1V
5 Motional capacitance C13 fF typ.
6 Shunt capacitance C01 pF typ. Measured with ATI 4192A
Impedance analyzer
OSC LEVEL = 0.1V
7 Turnover temperature Ti 25 ± 5℃ Measure this coefficient at 3 points
of 10℃、25℃、40℃ using
8 Parabolic coefficient B (-3±1) × 10-8/℃2C-MOS circuit
9 Frequency aging f_age ± 3 × 10-6 /year 25±3℃
、
First year
10 Insulation resistance IR 500 MΩ min. Measured with ATI 4329A
Insulation Resistance Meter
Apply DC100V
Conditions
Note
Note

3/11
［4］ Environment and Mechanical characteristics
Item Specifications Conditions
1 High temperature storage Δf/f0 = ±10×10-6 After storage under 125℃ for 1000 hours, *1
measure at room temperature. *3
2 Low temperature storage Δf/f0 = ±10×10-6 After storage under -40℃ for 1000 hours, *1
measure at room temperature. *3
3 High temperature and Δf/f0 = ±10×10-6 After storage under +85±2℃ , *1
high humidity storage 85 ％ RH for 1000h, measure at room *3
temperature.
4 Thermal shock resistance Δf/f0 = ±10×10-6 Measure at room temperature after *1
100 cycles. *3
-55℃ ⇔ +125℃ for 30 minutes.
5 Mechanical shock Δf/f0 = ±10×10-6 *2
resistance
6 Vibration resistance Δf/f0 = ±10×10-6 Amplitude 1.5mm and 10～60Hz with *2
cycle time 2～3 minutes in 3 direction
(X,Y,and Z axis) each for 2 h.
7 IR Reflow Δf/f0 = ±10×10-6 Measure after 2 time reflow under *1
reflow profile specified in page 10
8 Shear strength No peeling-off Pressuring force 10N×10±1sec. *2
according to IEC60068-2-21
9 Peel strength No peeling-off Pressuring force 10N×10±1sec. *2
according to IEC60068-2-21
10 Bending test No peeling-off Bending: 3mm×5±1sec. *2
Thickness of the testing board: 1mm
Note:
1. Each test shall be done independently. (not in series tests)
2. *1: Measure after 24 hours left at room temperature.
3. *2: Measure after 2 hours left at room temperature.
4. *3: Pre conditions
(1) IR Reflow : 2 times
(2) Initial values shall be measured after 24 hours at room temperature.
5. Shift in series resistance after the above tests shall be less than ±20% or less than ±15kΩ.
In case of resistance to IR reflow and high temperature storage(±125℃ for 1000 hours）, shift in
series resistance after the above tests shall be less than ±30% or ±20kΩ.
Measure after 100g-dummy(SII Standard)
drop from 1500mm height on the concrete
3directions 10times.

4/11
［5］ Precautions
(1) Recommended mounting conditions
Reflow profile As per reflow profile shown in page 10.
Manual soldering 350℃max. for 4 sec. Max.
(2) Cleaning
The crystal resonator may be destroyed by ultrasonic cleaning.
We don't guarantee the quality of the product with that cleaning method because
such conditions as type of the washing machine, power, time,position in the bath,
etc. can not be specified.
Please confirm ultrasonic cleaning is not giving any damage to the product
before use when that cleaning method must be used.
［6］ Outgoing inspection standard
・The outgoing inspection shall be conducted as per the following standard.
・The sampling shall be performed according to the ANSI/ASQC Z1.4-1996.
NO Item AQL(%)
1 Frequency tolerance 1.0
2 Equivalent series resistance 1.0
3 Outer appearance 1.5
4 Others characteristics Periodical quality inspection
Sampling level
Ⅰ
Ⅰ
Ⅰ

5/11
［7］ Dimensions and marking layout
1. Out Line Drawing
Unit = mm
2. Marking 3. Lead Connection
*1 Product name
*2 Type of product
*3 Specification
*4 CL
*5 Year of Production( Last digit of year )
*6,7 Week of Production(01～ 52)
4. Recommended PAD lay-out
Unit = mm
Materials ：
Case：Alumina ceramics、Ni-plated、Au-plated
Lead ：Kovar material、Ni-plated
＃2
＃1
1.8
＃1 ＃2
Ｔ □ □ □ □ □ □
*1 *2 *3 *4 *5 *6 *7
C0.2
#1 #2
Ｔ * * * * *
3.2+0.1
1.5±0.1 0.80±0.1
1.7 Typ.
*
1.0 1.5 1.0

6/11
［8］ Taping specification
１．Drawing of tape dimensions
① Carrier tape : Refer to page 8.
② Taping ｒeel : Refer to page 9.
２．Material
① Carrier tape : PC black conductive
② Taping reel : PS conductive
３．Taping method
（1） Taping shall be placed in tapes in such manner as to assure
that marking of the components is visible as per Fig.1
User direction of feed
Fig. 1
（2） Reel
① On the side of reel there shall be more than 40 blocks of "No components".
② The beginning of Carrier Tape shall be bent vertically and hooked on
groove of reel.
（3） Leader
① On the side of leader, there shall be more than 40 blocks of "No components"
② The length of Leader shall be over 400 mm.
③ The Length of Stick Tape for Cover Tape shall be about 100 mm and
Stick Tape shall never be detached.
Fig. 2
User direction of feed
空部
リール側
Stick Tape
Carrier Tape Cover Tape
製品装着部 ﾘｰﾀﾞｰ部
空部
No
Components 製品装着部
空部
製品装着部 Leader
空部
Components
No
marking
marking
marking

7/11
（4） Gap between Carrier Tape and Cover Tape
① Cover Tape protrudes from Carrier Tape by 0.5mm max.
Fig. 3
② Holes of Carrier Tape are covered with Cover Tape by 0.75mm max.
Fig. 4
（5） Peel strength
① The method of testing is done as shown below.
② The value of force is at the beginning of desealing.
③ The Cover Tape peel forth shall be 0.1～1.3N at a peel speed of 300±10mm/min.
Fig.5
Direction of Pulling
Direction of Movin
g
0.5mm max.
カバーテープ
0.75mm
Carrier Ta
p
e
Cover Tape
Carrier Tape
Cover Tape
0.75mm
165～180°
Cover Tape
Carrier Tape

8/11
Carrier tape
(1) Conforms with EIA-481
(2) Tolerance : ±0.2
Unit=mm

9/11
Taping reel
(1) Conforms with EIAJ ET-7200B
(2) Quantity per reel : 3,000pcs./for a reel
Item Specification Unit
Materials PS(anti statics） -
inside reel wise W1 13.0+0.3/-0 mm
outside reel wise W2 15.4±1.0 mm
Unit = mm
Torrance：±０．２mm

10/11
［9］ Reflow Profile
Pre-Heating temperature：+170℃ Pre-Heating time：120sec
Heating temperature ：+220℃ Heating time ： 50sec
Note:
（１） The temperature used herein means the temperature on the circuit board.
（２） Reflow is permitted 2 times.
Time（sec）
T
e
m
p
（
℃
）
+260 ℃peak
+170±10 ℃
50±10 sec.
120±20 sec.
10±1 sec.
+250±10 ℃
+220 ℃

11/11
［10］ Outside box
p
ackin
g
s
p
ecification
1) The label is attached on each reel.
2) 10 reels are put into each antistatic polyethylene bag.
【Figure 1】
3) Packing 【Figure 2】
10 reels are put into each inner box.
4 inner boxes are put into each shipping carton.
Inner Box Inner Box x ４
Reel Inner Box Shipping Carton
【Top View】
4) Storage quantity
It makes N = 3,000 pcs/Lot
5) Sample of the label display (Please refer to【 Figure 1 】【 Figure 2 】）
: Our company product name
Product bar code : Lot No.
: Quantity
Item bar code * : Frequency, CL value, F0 deviation
Quantity Lot.No.bar code
XXXX
6) Storage environment
Please keep the product under the following condition
﹡ No direct rays
﹡ Temperature condition : 5～30℃
﹡ Humidity condition : below 80%
12.5pF/±20×10-6
Part
Lot No.
Quantity
Spec.
SC-32S
000001
3，000 pcs
32.768kHz
:Remarks
Pb Free
RoHS CompliantRemarks
3,000
Packing to
antistatic ba
g
Label
Label