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Messrs.
（first ・ revised）
Product No.
Item code
Product form
The number of copies
Data of registration ：
Receipt Column
〈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
Delivery Specifications
Quartz Crystal Unit SC-20S
：
Q-SC20S03220C5AAAF
：
：
32.768kHz ±20 × 10
：1copy
Specifications No.
-6
/ 12.5pF
Note
Dept. of Issue
Sales Section
Dept. of Control
Quality Assurance Section
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Related Manuals for Seiko SC-20S
Summary of Contents for Seiko SC-20S
- Page 1 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.
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Page 2: Delivery Specifications
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-20S" ( 32.768 kHz ). ３．Shape and dimensions As per the SC-20S 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 the standard on page 4. 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. - Page 3 2/11 ［1］ The maximum rating Note Item Symbol Rating 1 Storage temperature range T̲stg -55〜+125℃ 2 Maximum drive level DL max. 0.5 μW max. ［2］ Recommended Operating Condition Note Item Symbol Rating 1 Operating temperature range T̲use -40〜+85℃ 2 Drive level 0.1 μW typ. ［3］ Electrical-Characteristics Measurement temperature :25±2℃ Item Symbol Specifications Conditions 1 Nominal frequency f̲nom 32.768 kHz 2 Frequency tolerance f̲tol ± 20 × 10 3 Load capacitance 12.5 pF 4 Motional resistance...
- Page 4 3/11 ［4］ Environment and Mechanical characteristics Item Specifications Conditions 1 High temperature storage 1 Δf/f = ±10×10 After storage under 85℃ for 1000 hours, 0 measure at room temperature. High temperature storage 2 Δf/f = ±15×10 After storage under 125℃ for 1000 hours, 0 measure at room temperature. 2 Low temperature storage Δf/f = ±10×10 After storage under -55℃ for 1000 hours, 0 measure at room temperature. 3 High temperature and After storage under +85±2℃ , Δf/f = ±10×10 0 high humidity storage 85 ％ RH for 1000h, measure at room temperature. 4 Thermal shock resistance Measure at room temperature after Δf/f = ±10×10 0 100 cycles.
- Page 5 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. Sampling level Item AQL(%) Frequency tolerance Ⅰ Equivalent series resistance Ⅰ Outer appearance Ⅰ Periodical quality inspection Others characteristics...
- Page 6 5/11 ［7］ Dimensions and marking layout 1. Out Line Drawing S * * * * 2-Ｃ0.15 1.0 Typ. Unit = mm 2.05±0.1 2. Marking 3. Lead Connection S □ □ □ □ 1 2 Specification ＃2 ＃1 CL ( 7pF：B、9pF：Ｊ、12.5pF：F ） Year of Production( Last digit of year ) *4,5 Week of Production(01〜 52) 4. Recommended PAD lay-out ＃1 ＃2 Unit = mm Materials ： Case：Alumina ceramics、Ni-plated、Au-plated Lead ：Kovar material、Ni-plated...
- Page 7 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. Cover Tape Carrier Tape Stick Tape 空部 空部 空部 空部 Components 製品装着部 製品装着部...
- Page 8 7/11 （4） Gap between Carrier Tape and Cover Tape ① Cover Tape protrudes from Carrier Tape by 0.5mm max. Fig. 3 Carrier Tape Cover Tape ② Holes of Carrier Tape are covered with Cover Tape by 0.75mm max. Fig. 4 Carrier Tape カバーテープ Cover Tape （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. Cover Tape Fig.5 165〜180° Direction of Pulling Carrier Tape irection of Moving...
- Page 9 8/11 Carrier tape (1) Conforms with EIA-481 (2) Tolerance : ±0.2 Unit=mm...
- Page 10 9/11 Taping reel (1) Conforms with EIAJ ET-7200B (2) Quantity per reel : 3,000pcs./for a reel 11.4 Torrance：±０．２mm Item Specification Unit Materials PS(anti statics） inside reel wise W1 9.0+1.0/-0 outside reel wise W2 11.4±1.0 Unit = mm...
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Page 11: Reflow Profile
10/11 ［9］ Reflow Profile Pre-Heating temperature：+170℃ Pre-Heating time：120sec Heating temperature ：+220℃ Heating time ： 50sec +260 ℃ peak 10±1 sec. +250±10 ℃ +220 ℃ ︵ ℃ ︶ +170±10 ℃ 50±10 sec. 120±20 sec. Time（sec） Note: （１） The temperature used herein means the temperature on the circuit board. （２） Reflow is permitted 2 times. ... - Page 12 antistatic bag 2) 10 reels are put into each antistatic polyethylene bag. Label 【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 】） Part SC-20S : Our company product name Product bar code Lot No. 000001 : Lot No. Quantity 3，000 pcs : Quantity Spec. Item bar code 32.768kHz : Frequency, CL value, F0 deviation 12.5pF/±20×10 Remarks RoHS Compliant Quantity Lot.No.bar code :Remarks Pb Free...